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Relevant bibliographies by topics / Total suspended and total dissolved solids

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Academic literature on the topic 'Total suspended and total dissolved solids'

Author: Grafiati

Published: 4 June 2025

Last updated: 6 July 2025

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Journal articles on the topic "Total suspended and total dissolved solids"

1

Mueller, Julia S., Timothy B. Grabowski, Shannon K. Brewer, and Thomas A. Worthington. "Effects of Temperature, Total Dissolved Solids, and Total Suspended Solids on Survival and Development Rate of Larval Arkansas River Shiner." Journal of Fish and Wildlife Management 8, no. 1 (2017): 79–88. http://dx.doi.org/10.3996/112015-jfwm-111.

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Abstract Decreases in the abundance and diversity of stream fishes in the North American Great Plains have been attributed to habitat fragmentation, altered hydrological and temperature regimes, and elevated levels of total dissolved solids and total suspended solids. Pelagic-broadcast spawning cyprinids, such as the Arkansas River Shiner Notropis girardi, may be particularly vulnerable to these changing conditions because of their reproductive strategy. Our objectives were to assess the effects of temperature, total dissolved solids, and total suspended solids on the developmental and survival rates of Arkansas River Shiner larvae. Results suggest temperature had the greatest influence on the developmental rate of Arkansas River Shiner larvae. However, embryos exposed to the higher levels of total dissolved solids and total suspended solids reached developmental stages earlier than counterparts at equivalent temperatures. Although this rapid development may be beneficial in fragmented waters, our data suggest it may be associated with lower survival rates. Furthermore, those embryos incubating at high temperatures, or in high levels of total dissolved solids and total suspended solids resulted in less viable embryos and larvae than those incubating in all other temperature, total dissolved solid, and total suspended solid treatment groups. As the Great Plains ecoregion continues to change, these results may assist in understanding reasons for past extirpations and future extirpation threats as well as predict stream reaches capable of sustaining Arkansas River Shiners and other species with similar early life-history strategies.

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ARDIATMA, DODIT. "Pengaruh Diameter Media Filtrasi Zeolit Terhadap Turbidity, Total Disolved Solids Dan Total Suspended Solids Pada Reaktor Filter." Pelita Teknologi 15, no. 2 (2021): 95–105. http://dx.doi.org/10.37366/pelitatekno.v15i2.311.

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Most of the groundwater in the Pasirlimus village area is yellow, which is thought to have the turbidity level exceeding the threshold, so it is necessary to treat it so that the ground water meets the requirements for clean water quality. Groundwater is treated using a slow sand filter reactor with a single zeolite sand filter media with variations in the diameter of the sand measuring 0.1 - 0.25 mm, 0.25 - 0.5 mm and 0.5 - 1.0 mm. This type of research is quantitative with experimental instruments. The sampling technique in this study was grab sampling with sampling based on the diameter of the zeolite in the filter reactor and then the sample was tested in the laboratory. Based on the results of laboratory analysis, the percentage reduction in turbidity, total dissolved solids, and total suspended solids using variations in the diameter of the zeolite filtration media 0.1 - 0.25 mm, 0.25 - 0.5 mm, 0.5 - 1.0 mm in the reactor diameter 0.1 - 0.25 mm 94% of turbidity parameters , 90% total suspended solids parameter, 90% total suspended solid. Media diameter 0.25 - 0.5 mm is 64% turbidity, while Total Disolved Solids is 84% â€‹â€‹and total suspended solid is 73%. 1.0 - 2.0 mm is 10% turbidity, while total dissolved solids is 16% and total suspended solid is 14% and the coefficient of determination (R2) of turbidity using a variation of diameter at a concentration of 283 NTU is 0.9996, TDS at a concentration of 791 mg / L is 0.9134, TSS at a concentration of 82 mg / L is 0.9722.

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Anuja, Narayanan. "Evaluation of Quality of Water for the Purpose of Construction." Journal of Water Resources and Pollution Studies (e-ISSN: 2581-5326) 5, no. 1 (2019): 1–6. https://doi.org/10.5281/zenodo.3550328.

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Nowadays, drinking water is present in a very lesser amount all over the world. Its price is very high and water consumption would be more for construction purpose. Hence, it is good way to use bore water for construction purpose. Because its presence is comparatively higher than drinking water. In this work, different water samples are collected from various industries such as Dye, Pepsi and Coco-cola industry. If industrial waste water is exposed to the ground it may infiltrate into the ground and contaminate the water. So, it is important to check the quality of water by conducting different experimental tests such as pH, Total solids, Total fixed solids, Total volatile solids, Total dissolved solids, Suspended solids and Chloride before using the collected water samples in concrete. From all of the above tests, it is found that the water sample collected from the Dye industry is found to be better for using in the construction work. Other two industries are not within the permissible limit.

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Adjovu, Godson Ebenezer, Haroon Stephen, and Sajjad Ahmad. "Spatiotemporal Variability in Total Dissolved Solids and Total Suspended Solids along the Colorado River." Hydrology 10, no. 6 (2023): 125. http://dx.doi.org/10.3390/hydrology10060125.

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The Colorado River is a principal source of water for 40 million people and farmlands in seven states in the western US and the Republic of Mexico. The river has been under intense pressure from the effects of climate change and anthropogenic activities associated with population growth leading to elevated total dissolved solid (TDS) and total suspended solid (TSS) concentrations. Elevated TDS- and TSS-related issues in the basin have a direct negative impact on the water usage and the ecological health of aquatic organisms. This study, therefore, analyzed the spatiotemporal variability in the TDS and TSS concentrations along the river. Results from our analysis show that TDS concentration was significantly higher in the Upper Colorado River Basin while the Lower Colorado River Basin shows a generally high level of TSSs. We found that the activities in these two basins are distinctive and may be a factor in these variations. Results from the Kruskal–Wallis significance test show there are statistically significant differences in TDSs and TSSs from month to month, season to season, and year to year. These significant variations are largely due to seasonal rises in consumptive use, agriculture practices, snowmelts runoffs, and evaporate rates exacerbated by increased temperature in the summer months. The findings from this study will aid in understanding the river’s water quality, detecting the sources and hotspots of pollutions to the river, and guiding legislative actions. The knowledge obtained forms a strong basis for management and conservation efforts and consequently helps to reduce the economic damage caused by these water quality parameters including the over USD 300 million associated with TDS damages.

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Savita, Dubey. "[FRTSSDS- June 2018]." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES [FRTSSDS- June 2018] (June 20, 2018): 211–17. https://doi.org/10.5281/zenodo.1293873.

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It is important for the industry to develop its own wastewater treatment system before discharging the effluent in order to meet the M.P. State Pollution control Board  standards. Reduction of pollutants in the wastewater down to permissible concentrations is necessary for the protection of ground water and the environment. In order to design an appropriate treatment system the characteristic of the wastewater generated need to be found out with reference to the following parameters;  pH, chloride, total suspended solids (TSS), suspended  solids (SS),total dissolved solids (TDS), Biological oxygen demand (BOD), Chemical oxygen demand (COD).

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Agrawal, Ruchi, Praveen Kumar, and H. B. Sharma. "Physico-chemical study of holy reservoir Mansi Ganga at Goverdhan (District Mathura)." Environment Conservation Journal 13, no. 1&2 (2012): 137–40. http://dx.doi.org/10.36953/ecj.2012.131226.

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Physico-chemical quality of water of Mansi Ganga was studied. The duration of study was July 2008 to June 2009. Three sampling sites were selected for study. The parameters studied were Temperature, Turbidity, pH, DO, BOD, COD, Ammoniacal Contents, Nitrate contents, Total Dissolved Solids, Suspended Solids, Calcium Hardness, Magnesium Hardness. The concentration of the parameters like pH, DO, BOD, COD, Ammoniacal Contents, Nitrate contents, Total Dissolved Solids, Suspended Solids were found above the tolerance limits.

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Yisa, J., E. B. Agbaji, and E. M. Okonkwo. "Tannery Effluents Quality Evaluation Using Principal Component Analysis for Challawa Industrial Estate, Kano, Nigeria." Asian Journal of Water, Environment and Pollution 6, no. 3 (2009): 35–41. http://dx.doi.org/10.3233/ajw-2009-6_3_07.

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Physical and chemical parameters monitored at eight locations in Challawa Industrial Estate, Kano were analyzed. Principal component analysis (PCA) was used to extract the factors associated with the tannery effluents pollution variability and to obtain the spatial and temporal changes in the effluent quality. Temperature, total solids, total dissolved solids, total suspended solids, conductivity, chloride, sulphide, alkalinity, biochemical oxygen demands and chemical oxygen demands were the main patterns extracted. The spatial analysis isolated six sampling sites showing a possible point source of pollution. Six of the properties (temperature, total dissolved solids, total suspended solids, sulphide, biochemical oxygen demand and chemical oxygen demand) exceed apparent standard limit for industrial effluent discharge in Nigeria for most of the tanneries. Treatments of these effluents are also recommended before discharge.

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Dhivakar, M., and A. K. Madhu. "An Experimental Investigation of Surface Water Quality Using GIS Application." Journal of Water Resource Research and Development 5, no. 1 (2022): 1–10. https://doi.org/10.5281/zenodo.6365252.

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Surface water quality models can be helpful devices to reproduce and anticipate the levels, dispersion, and rick of substance toxins in a given water body. Water quality is considered as a major issue in numerous urban areas of agricultural nations. Surveying the water quality list and physical-synthetic boundaries for the surface water of the current work is pointed. For a physical-compound investigation, surface water tests of chosen different area were gathered. For calculating the present water quality index status the following quality parameters were considered: PH, Total dissolved solids, Total suspended solids, BOD, DO, COD, alkalinity, Turbidity. The present study is concentrated on the surface water quality index by using GIS software. The study also reveals that the surface water quality is highly deteriorated due to anthropogenic activities such as urbanization, construction activities, and agricultural activities, discharge of untreated sewage and disposal of solid waste directly into surface water.

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Butler, Barbara A., and Robert G. Ford. "Evaluating Relationships Between Total Dissolved Solids (TDS) and Total Suspended Solids (TSS) in a Mining-Influenced Watershed." Mine Water and the Environment 37, no. 1 (2017): 18–30. http://dx.doi.org/10.1007/s10230-017-0484-y.

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Sugiarti, D. Rohaningsih, and S. Aisyah. "Study of Total Dissolved Solids (TDS) and Total Suspended Solids (TSS) in Estuaries in Banten Bay Indonesia." IOP Conference Series: Earth and Environmental Science 1201, no. 1 (2023): 012045. http://dx.doi.org/10.1088/1755-1315/1201/1/012045.

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Abstract The estuaries of Banten Bay have sandy sediment, and their main activity is fisheries. In order to maintain fishery productivity, good water quality is required. The sandy sediment in this location can affect water conditions at the point of the residue content. This study aims to reveal solids content in the estuaries of Banten Bay. A survey was conducted in four estuaries, namely Karangantu, Wadas, Cengkok, and Pamong. TDS were measured in situ in April and October 2021. TSS was analyzed in May, July, and October 2013, as well as in April and October 2021. Other physical and chemical parameters were analyzed in the laboratory or in situ. The results were compared with the standard for sea aquatic biota. Furthermore, the regression method was used to determine the correlation of TSS and TDS with other parameters. The physical and chemical parameters that affect TDS and TSS were analyzed using Principal Component Analysis (PCA). The results show that TSS correlated with Oxidative Reductive Potential (ORP) and turbidity. PCA showed that TSS correlated with TDS, nitrate, ammonium, ORP, water depth, and water current. Although TSS exceeded the threshold, sufficient dissolved oxygen and higher nutrient still maintained water quality for fisheries in four estuaries.

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Dissertations / Theses on the topic "Total suspended and total dissolved solids"

1

Chester, Michael Andrew. "The relationship between the biochemical oxygen demand and total suspended solids concentration in the tidal River Ouse." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322871.

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Rintsch, Eileen Tabata. "Effects of a forested state park on stream dissolved organic carbon and total suspended solid concentrations in an agriculturally dominated watershed in SW Ohio." Miami University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1626962623587062.

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Jones, Amber Spackman. "Estimating Total Phosphorus and Total Suspended Solids Loads from High Frequency Data." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/205.

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Frequently measured turbidity was examined as a surrogate for total phosphorus (TP) and total suspended solids (TSS) loads at two locations in the Little Bear River, Utah, USA. Using regression techniques, equations were developed for TP and TSS as functions of turbidity. The equations accounted for censored data, and additional explanatory variables to represent hydrological conditions were considered for inclusion in the equations. By using the resulting surrogate relationships with high frequency turbidity measurements, high frequency estimates of TP and TSS concentrations were calculated. To examine the effect of sampling frequency, reference loads were determined from the concentration records for two water years. The concentration records were artificially decimated to represent various frequencies of manual grab sampling from which annual loads were calculated and compared to the reference loads.

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Zhang, Weilan. "Modeling Total Suspended Solids in Combined Sewer Systems." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/803.

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The untreated overflow of combined sewer system contains a variety of pollutants that can contaminate the receiving water body. Total suspended solids (TSS) transported in the sewer networks can adsorb these pollutants and become the main contaminant source. Existing models contain a numerous formulas that make the calculation process complex and time consuming. A simplified model was presented in this thesis to simulate the process of TSS transport in combined sewer pipes. The combined sewer system evaluated was a combination of an existing sewer system in Le Marais and an example system provided with the Storm Water Management Model (SWMM). SWMM was used in this research to simulate the rainfall event, pollutant build-up and wash-off process, and to provide hydraulic calculations for the combined sewer system. A spreadsheet model was created to calculate the TSS concentration profile and flow velocity profile. The total TSS transport rate was computed using a numerical estimation of the integral of the concentration in the cross-section area multiplied by the velocity. The flow depth, velocity, and Froude number of each pipe was calculated to show that the combined sewer system was under proper working conditions. The first flush phenomenon was observed by plotting the TSS concentration pollutograph of the combined sewer system. From the TSS transport pollutograph, the maximum transport rate was found (0.2609 kg/s at 6:45). The study of TSS profile showed that the concentration distribution was based on the solid density. The TSS particle also affected the transport rate. A sensitivity analysis of particle size was conducted in this thesis. A second order polynomial was used to describe the relationship between median particle size d50¬ ¬and TSS transport rate.

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Johnson, Daniel Keith. "Field Indicators for the Prediction of Appalachian Soil and Bedrock Geochemistry." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/71896.

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Surface mining for coal in the Central Appalachians contributes total dissolved solids (TDS) to headwater streams, especially below larger mines and associated valley fills. My objective was to characterize the geochemical properties of a range of surface soils and associated geologic strata from the Central Appalachian coalfields and to relate those properties to simple field indicators, such as color or rock type. I hypothesized that these indicators can accurately predict certain geochemical properties. Thirty-three vertical weathering sequences were sampled from eight surface mines throughout the Central Appalachian coalfields, for a total of 204 individual samples. No differences were found among sites in overall saturated paste specific conductance (SC; used as a proxy for TDS) levels, but significant geochemical differences existed among samples. Sulfate release dominated SC levels, followed closely by Ca and Mg. Surficial soils and sandstones were yellowish-brown in color, high in citrate dithionite (CD) - extractable Al, Fe, and Mn, and low in SC, compared to underlying sandstones, shales, and mudstones, which were grayish to black, low in CD-extractable Al, Fe, and Mn, and significantly higher in SC. Saturated paste As and P were higher in A horizons, whereas Se was significantly higher in unweathered bedrock than in soil or weathered bedrock. Samples generating exothermic reactions with 30% H2O2 produced higher SC levels, sulfate, Mg, and Se. In conclusion, the mine spoils studied varied widely in geochemical properties. The simple field indicators presented here, such as color, weathering status, rock type, and H2O2 reaction can provide valuable guidance for identifying TDS risk which would greatly improve operator's ability to actively minimize TDS release. I recommend using soil and weathered, yellowish-brown sandstone layers as a source of low TDS spoil material whenever possible. The H2O2 field test is useful for identification of TDS and Se risk. Underlying unweathered bedrock layers should be treated as "potentially high TDS spoils". Particularly high risk spoils include gray to black mudstones and shales, coals, and coal associated shales, mudstones, and clays directly associated with coal seams. I recommend hydrologically isolating these spoils using techniques similar to those used historically for acid-forming materials.<br>Ph. D.

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Parker, John Martin. "Effect of Various Saturation Levels, Leaching Solution pH, and Leaching Cycle on Electrical Conductivity from Coal Mine Spoil Leachate." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/51807.

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Historically, environmental research associated with Appalachian coal surface mines focused on acid mine drainage and reclamation. Recent studies suggest that electrical conductivity (EC) levels above 500 ?S cm-1 can impair Appalachian streams, shifting the focus towards limiting release of total dissolved solids (TDS) and associated elements of concern. Previous column studies utilized an unsaturated bi-weekly leaching design to evaluate the behavior of overburden with respect to TDS, pH, and trace metals. The objective of this study was to determine the effects of column saturation, leaching solution chemistry, and leaching cycle on the release of TDS and associated elements from an unweathered sandstone. Treatments evaluating potential saturation, leaching solution pH, and leaching cycle included saturated, standard method, vacuum, and standpipe fitted columns; simulated acid rain, de-ionized water, and CaCO3 leaching solutions; and 2x week-1, 1x week-1, 2x month-1, and 1x day-1 leaching cycles. Saturation level in the column significantly impacted leachate pH, EC level, and the release of sulfate, bicarbonate, and associated cations by potentially affecting trace sulfide oxidation and carbonate dissolution reactions. Little evidence of saturation was noted with the standard method. Leaching solution bulk chemistry did not alter leachate chemistry. Longer times between dosing cycles corresponded to higher EC, bicarbonate, and associated cation levels, especially over time. Sulfate, Ca, and Se exhibited the greatest percent release based on total mass losses during peak elution. For managing TDS, time between precipitation events and saturation level can strongly affect short and long-term EC level, its major contributors, and elements of concern.<br>Master of Science

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Xu, Kejun. "Total suspended solids, discharge, conductivity, and nutrients in three watersheds of the Upper White River, IN." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1307378.

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Three watersheds of Upper White River were chosen for this study. Stream samples were tested for total suspended solids and conductivity. Fourteen percent of the total suspended solids samples were above 80 mg L-1 which can cause negative effects to aquatic life. Total suspended solids results were tested with a general linear model and in linear regressions with discharge and nutrients. Conductivity results were tested with a general linear model. Concentrations of the total suspended solids were significantly related to watershed, Julian date, the interaction of watershed and Julian date, and discharge. Increasing total suspended solids concentrations were significantly related to increasing concentrations of orthophosphate, nitrate, and ammonia. Conductivity levels were significantly related to watershed, location within watershed, and Julian date. Total suspended solids, discharge, and nutrient concentrations were high in the spring, but decreased in the following seasons.<br>Department of Natural Resources and Environmental Management

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Alvarez-Dalama, Alina 1960. "CALCIUM-SULFITE HEMIHYDRATE CRYSTALLIZATION IN LIQUORS WITH HIGH TOTAL DISSOLVED SOLIDS (GROWTH, SIZE DISTRIBUTION, NUCLEATION, HABIT)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275528.

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Ross, Lucas Clay. "Effect of Leaching Scale on Prediction of Total Dissolved Solids Release from Coal Mine Spoils and Refuse." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/75044.

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Coal surface mining in the Appalachian USA coalfields can lead to significant environmental impacts including elevated total dissolved solids (TDS) levels in receiving streams. Column leaching procedures are recommended by many studies for TDS prediction, but many question their applicability to field conditions. The objective of this study was to assess results from a simple column leaching method relative to larger scale leaching vessels (scales) using one coal mine spoil and two coarse coal refuse materials. A non-acidic mine spoil sample from SW Virginia (crushed to ≤ 1.25 cm) was placed into PVC columns (~10 cm x 40 cm) in the laboratory and leached unsaturated with simulated acidic rainfall. The same spoil was also placed into larger 'mesocosms' (~1.5 m³) with run-of-mine material and into barrels (~0.1 m³; screened to ≤ 15 cm) under natural field environmental and leaching conditions. Similarly, two coarse coal refuse samples were placed into lab columns and field barrels. Comparative results suggest the column method was a reasonable predictor of TDS release from the coal mine spoil relative to the two larger scales studied. However, there were significant differences at times during the study, including during initial peak TDS elution (1,750 µS cm⁻¹ in columns vs. 2,250 µS cm⁻¹ in mesocosms). Field leaching also produced a distinct seasonal time-lagged EC pattern that was not observed in the columns. On the other hand, significantly different and dissimilar leaching results were noted for the refuse column vs. barrel leachates, calling into question their prediction ability for refuse.<br>Master of Science

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Clark, Elyse Virginia. "Hydrologic and hydrochemical processes on mine spoil fills." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/77528.

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Appalachian surface coal mining operations fracture rocks (termed mine spoils), resulting in the weathering of minerals and release of water-soluble ions to streams. Collectively, the concentration of water-soluble ions in streams is called total dissolved solids (TDS) and streams with elevated TDS often have altered biota. The surficial, subsurface, and discharge properties of mine spoils influence TDS discharge concentrations. This study aimed to improve understanding of how hydrologic and hydrochemical processes occur and function in coal mining areas. These processes were characterized by infiltration and dye staining tests, mine spoil leaching experiments and modeling, and mining-influenced stream discharge monitoring. Results indicate that many factors influence hydrologic and hydrochemical processes in Appalachian coal mining areas, but these processes evolve over time as subsurface flow paths develop, mine rocks weather, and TDS is released from mine spoils. Fourteen years after placement, mean infiltration rates of mine soils reclaimed with trees were statistically greater than areas reclaimed with grasses, and different subsurface flow types were evident, indicating vegetation type influenced hydrologic processes. Specific conductance (SC) leaching patterns from mine spoils conformed to an exponential decay and linear segmented regression model. Maximum SC values (1108 ± 161 µS cm⁻¹) occurred initially during leaching, exponentially decayed, then exhibited linear SC releases (276 ± 25 µS cm⁻¹) that were elevated relative to natural background levels at the end of leaching. Major element (S, Ca, Mg, K, Na) leaching patterns resembled those of SC, whereas trace elements (As, Cd, Cu, Ni, Pb, Se) transitioned to linear release earlier in the leaching period. Mining-influenced stream SC discharge patterns varied by season and by precipitation amounts during storm events. Storm responses were characterized by either infiltration-excess overland flow or delayed SC releases due to internal flow through the VF. Given these results, mining companies wishing to control TDS discharges may be selective and pre-test mine spoils for total S and paste SC to determine TDS-generation potential. Isolation of spoils with high-TDS release potentials (i.e. unweathered sandstones and mudstones) from water-rock contact may help improve TDS discharges.<br>Ph. D.

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Books on the topic "Total suspended and total dissolved solids"

1

1951-, Gray John R., and Geological Survey (U.S.), eds. Comparability of suspended-sediment concentration and total suspended solids data. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Jeje, Yetunde. Export coefficients for total phosphorus, total nitrogen and total suspended solids in the southern Alberta region: A review of literature. Alberta Environment, 2006.

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R, Corsi Steven, and Geological Survey (U.S.), eds. Unit-area loads of suspended sediment, suspended solids, and total phosphorus from small watersheds in Wisconsin. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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R, Corsi Steven, and Geological Survey (U.S.), eds. Unit-area loads of suspended seiment, suspended solids, and total phosphorus from small watersheds in Wisconsin. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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R, Corsi Steven, and Geological Survey (U.S.), eds. Unit-area loads of suspended sediment, suspended solids, and total phosphorus from small watersheds in Wisconsin. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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R, Corsi Steven, and Geological Survey (U.S.), eds. Unit-area loads of suspended sediment, suspended solids, and total phosphorus from small watersheds in Wisconsin. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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R, Corsi Steven, and Geological Survey (U.S.), eds. Unit-area loads of suspended seiment, suspended solids, and total phosphorus from small watersheds in Wisconsin. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Mack, Stephen F. Using turbidity to predict total suspended solids in mined streams in interior Alaska. Division of Geological and Geophysical Surveys, 1988.

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Dickes, Betsy. McAllister Creek water quality survey for fecal coliform bacteria, total suspended solids, turbidity, and nutrients. Washington State Dept. of Ecology, Water Quality Program, 2001.

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Koh, S. Technology assessment for removal of total dissolved solids from salty washwaters generated from vehicle washing operations. Research and Development Branch, Ministry of Transportation, 1995.

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Book chapters on the topic "Total suspended and total dissolved solids"

1

Jana, B. B. "Total Dissolved Solids (TDS)." In Aquatic Sciences in the Tropics. CRC Press, 2025. https://doi.org/10.1201/9781003538509-42.

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Patnaik, Pradyot. "Total Dissolved Solids and Specific Conductance." In Handbook of Environmental Analysis. CRC Press, 2017. http://dx.doi.org/10.1201/9781315151946-62.

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Rhoades, J. D. "Salinity: Electrical Conductivity and Total Dissolved Solids." In SSSA Book Series. Soil Science Society of America, American Society of Agronomy, 2018. http://dx.doi.org/10.2136/sssabookser5.3.c14.

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Meybeck, M., Z. Idlafkih, N. Fauchon, and V. Andreassian. "Spatial and temporal variability of Total Suspended Solids in the Seine basin." In Man and River Systems. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-017-2163-9_31.

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Jain, Nupur, and Rekha Rani Agrawal. "Green technology for removal of total dissolved solids from ground water for sustainable development." In Recent Advances in Sciences, Engineering, Information Technology & Management. CRC Press, 2024. https://doi.org/10.1201/9781003598152-81.

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Thangavel, Shanmugam, Gumma Venkateswarlu, Ankam Durga Prasad, Lori Rastogi, and Kulamani Dash. "Setting up of Zero-Gap Electrochemical Prototype Plant for Total Dissolved Solids (TDS) Removal from Groundwater." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2092-0_10.

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Lintangsasi, D. N., A. Rahmadya, I. Ridwansyah, and F. Setiawan. "Total Suspended Solids Concentration Estimation in Coastal Wasters Using Remote Sensing Data and Machine Learning Approach." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9768-6_75.

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Rawat, Kishan Singh, Sanjeev Kumar, and Sudhir Kumar Singh. "Evaluation of Total Dissolved Solids and Quality Zones of Groundwater Using Vertical Electrical Soundings and GIS Method." In Springer Proceedings in Energy. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6879-1_19.

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Low, Wen-Pei, Fung-Lung Chang, and Shwu Ying Loo. "Removal of Nutrients, Organic Matter and Total Suspended Solids from River Water by Adsorption on Chicken Eggshell." In Lecture Notes in Civil Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7924-7_86.

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Nisa, Khusna Saffanatun, and Eni Purwani. "The Effect of Brown Sugar Addition on Total Lactic Acid Bacteria (LAB) and Total Dissolved Solids (TDS) of Young Coconut Water (Cocos nucifera L.) Probiotic Drinks." In Advances in Health Sciences Research. Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-184-5_13.

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Conference papers on the topic "Total suspended and total dissolved solids"

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Wagner, Patricia, Louis Janus, and Brenda Little. "An Evaluation of Surface Treatments for Copper-Nickel Seawater Systems." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88399.

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Abstract Corrosion in 90/10 Cu-Ni pipes was evaluated using estuarine water from the Gulf of Mexico at the mouth of the Pascagoula River, maintained at a flow rate of 3 to 6 ft/sec over a 1-year period. The impact of surface preparation, batch FeSO4 (50 ppb Fe+2 for 48 hours) pretreatment, and intermittent treatment was evaluated. Surface deposits were characterized by scanning electron microscopy and energy-dispersive x-ray fluorescence spectrometry. Water analyses included pH, dissolved oxygen, dissolved sulfide and sulfate, total organic carbon, total suspended solids and dissolved heavy metal analyses, as well as quantification of bacteriological components. Batch FeSO4 treatment did not result in a persistent increase in surface-bound iron and or decreased localized corrosion. Surface pitting appeared to be associated with accumulations of chlorine, sulfur and microbiological colonization.

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Islam, Moavin, Saleh Al-Sulaiman, Amer Jarragh, Adel Al-Mutairi, and Shibu Abraham. "Corrosion Damage Characteristics Observed in Seawater and Effluent Water Injection Systems." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4269.

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Abstract Many of the crude oil producing wells operated by a major oil producing company in the Middle East have been operating for many years and the natural pressures in these wells have gradually diminished resulting in decreased production. In such cases, the company has started using secondary oil recovery methods such as water-flooding (seawater and effluent water injection), gas lifts and electrical submersible pumps. Utilization of water injection entails the careful control of total suspended solids (TSS), dissolved oxygen (DO) and bacteria in the seawater and effluent water systems. The DO content should be kept below 40 ppb (parts per billion) and the bacteria population, particularly sulfate reducing bacteria (SRB) should be ideally zero. However, excursions in these parameters do occur and can result in oxygen corrosion or microbiologically influenced corrosion (MIC). Bacteria can also lead to potential souring of the formation. The present paper discusses the characteristics of corrosion damage that has been observed in the seawater and effluent water injection systems operated by the company. In both cases, the enhanced corrosion observed on coupons, could be attributed to oxygen ingress or the presence of bacteria. The two types of corrosion damage could be distinguished based on the unique corrosion morphological features in each case.

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Kiaw Wang, Lillian Yee, Jun Wei Bong, Yee Xuan Eng, and Wei Sheng Wong. "IoT Based Wastewater Dissolved Oxygen and Total Dissolved Solids Monitoring with Data Analytics." In 2024 11th International Conference on Future Internet of Things and Cloud (FiCloud). IEEE, 2024. http://dx.doi.org/10.1109/ficloud62933.2024.00023.

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SHEKAR, B. H., and JESHMA NISHITHA DSOUZA. "Forecasting Total Dissolved Solids to Predict Ground Water Quality Using Machine Learning Techniques." In 2024 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER). IEEE, 2024. http://dx.doi.org/10.1109/discover62353.2024.10750730.

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Gerios, Veronica Lynn, Natalie Becerra-Stasiewicz, Sean Morefield, and Cristina Fleig Mayer. "Visualizing Correlations of Water Quality and Cathodic Protection Parameters." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19333.

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Abstract Two remote monitoring & control units (RMCU) and four remote monitoring units (RMU) were installed at the cathodic protection systems on Selden Lock & Dam. Water quality parameters recorded upstream from Selden Lock & Dam were correlated to different remote monitoring unit parameters. For RMUs, coupon AC current density, coupon DC current density, structure AC potential, structure DC potential, and coupon DC instant off measurements were compared to temperature, specific conductance, total dissolved solids, pH, and dissolved oxygen. For RMCUs, rectifier downstream current, rectifier downstream voltage, rectifier upstream current, and rectifier upstream voltage was compared to temperature, specific conductance, total dissolved solids, pH, and dissolved oxygen. Linear regressions for each remote monitoring unit parameter and water quality parameter were created. Rectifier upstream current and Rectifier Upstream voltage had the most correlations with water quality data. Changes in pool level could explain the differences in upstream rectifier correlations and downstream rectifier correlations.

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Guraieb, Paula, Elizabeth Contreras, Jin Huang, Mason Tomson, Chao Yan, and Ross Tomson. "Validation of the Activity Coefficients for Carbonates at Various High Pressure High Temperature (HPHT) and Total Dissolved Solids (TDS)." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4360.

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Abstract The equilibrium constants and activity coefficients are reasonably well known for most common systems from room temperature to 100°C (212°F) and 6,000 psia. However, the limited knowledge of the thermodynamic and kinetic properties of mineral systems under high pressure (24,000 psia), high temperature, 250°C (482 °F) and high TDS (360,000 mg/L) has presented a huge challenge in ultra deepwater oil and gas production. The lack of data and models for scale at these extreme temperatures and pressures increase the economic and safety and risks of offshore production. With the use of a novel apparatus, high temperature and pressure solubility experiments were performed to deduce the species activity coefficients needed for the Pitzer model. Preliminary work was done at low temperature and pressure to determine if there is reason to question the reported thermodynamic equilibrium constant values for the carbonate system then extended to high temperature and pressure to determine those parameters. The activity coefficients and the equilibrium constants of these systems at extreme temperature and pressure (xHTHP) will allow for better prediction and prevention of scale formation in deepwater wells.

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Liu, Qiang, Anca Diaconu, Jeff Soderberg, et al. "Development, Evaluation, and Field Performance of Combined Corrosion Inhibitor." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02233.

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Abstract Corrosion occurs in oil and gas gathering lines containing high H2S and/or CO2. In the presence of scale and bacteria, corrosion can be aggravated. A combined corrosion inhibitor (CCI-2) was developed, which provides corrosion/scale inhibition and mitigates microbially induced corrosion (MIC). A scale inhibitor with great performance and tolerance to high calcium cation concentration was incorporated in CCI-2. Autoclave tests were conducted using a synthetic brine of medium total dissolved solids with a gas phase of 520 kPa (75 psi) H2S, 350 kPa (50 psi) CO2, and 735 kPa(105 psi) N2. CCI-2 was found to reduce the corrosion rate by 96%. Biocide testing showed that CCI-2 could effectively kill acid producing bacteria (APB). CCI-2 was successfully applied in the field gas lines with a high content of CO2 and H2S. The brine contained bacteria and had 12% of total dissolved solids with high scale tendency. The bacteria, residual CCI-2, iron and manganese in the field brine were periodically monitored. When the residual CCI-2 is above critical micelle concentration, CCI-2 performs very well in corrosion mitigation, scale inhibition and contribution to bacteria killing.

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Olabisi, Olagoke, Amer Jarragh, Yousef Khuraibut, and Ashok Mathew. "Identifying Key Performance Indicators for Corrosion in Oilfield Water Handling Systems." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4348.

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Abstract Key performance indicators are used to track the efficiency of the prevailing corrosion risk management strategy, namely, the integration of corrosion, process monitoring, inspection, mitigation, environmental control, and materials management. In an earlier paper1, a methodology was outlined for the use of a single key performance indicator, namely, the corrosion rate, in tracking monitoring strategy, mitigation strategy, and pipeline integrity. This paper seeks to identify other key performance indicators. At Kuwait Oil Company (KOC), internal corrosion monitoring activities are carried out in 22 gathering centers, early production facilities, 5 booster stations (operating), 3 effluent water disposal plants, seawater treatment plant, seawater injection plant, and pipeline network carrying different products. Corrosion and corrosivity trends are monitored using weight-loss coupons, electronic probes, bioprobes, hydrogen patch probes, galvanic probes as well as the measurement of iron content (total and dissolved) and manganese content. Corrosivity trend is also monitored using pH, conductivity, total dissolved solids, total hardness, dissolved oxygen, H2S concentrations, CO2 concentrations, bacterial population density and corrosion inhibitor residuals. These activities consume significant resources. The present paper is focused on identifying parameter(s) that could serve as key performance indicator(s) for corrosion and enable the company to operate with greater cost effectiveness, efficiency, reliability and control of the state of corrosion integrity of oilfield water handling systems.

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Kaishentayev, Damir, and Berna Hascakir. "Pretreatment of Produced Waters Containing High Total Dissolved Solids." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206371-ms.

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Abstract There are mainly two types of solids in the oil field waters; Suspended Solids (SS) and Total Dissolved Solids (TDS). While it is easy to remove SS from water, removal of TDS requires the application of advance filtration techniques such as reverse osmosis or ultra-filtration. Because these techniques cannot handle high volumes of the oilfield waters with high TDS content, produced waters originated from hydraulic fracturing activities cannot be treated by using these advance technologies. Thus, in this study we concentrated on the pretreatment of these waters. We investigated the feasibility of the Coagulation, Flocculation, and Sedimentation (CFS) process as pretreatment method to reduce mainly SS in Produced Water (PW) samples. We collected samples from 14 different wells in the Permian Basin. First, we characterized the water samples in terms of pH, SS, TDS, Zeta potential (ZP), Turbidity, Organic matter presence and different Ion concentration. We tested varying doses of several organic and inorganic chemicals, and on treated water samples we measured pH, TDS, SS, Turbidity, ZP and Ions. Then, we compared obtained results with the initial PW characterizations to determine the best performing chemicals and their optimal dosage (OD) to remove contaminants effectively. The cation and anion analyses on the initial water samples showed that TDS is mainly caused by the dissolved sodium and chlorine ions. ZP results indicated that SS are mainly negatively charged particles with absolute values around 20 mV on average. Among the tested coagulants, the best SS reduction was achieved through the addition of ferric sulfate, which helped to reduce the SS around 86%. To further lessen SS, we tested several organic flocculants in which the reduction was improved slightly more. We concluded while high TDS in the Permian basin does not implement a substantial risk for the reduction of fracture conductivity, SS is posing a high risk. Our study showed, depending on components of the initial PW, reuse of the pretreated water for fracturing may minimize fracture conductivity damage.

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Lindley, Ann Marie, Taylor Miller, Taylor Miller, et al. "2018 HURRICANE SEASON AND ITS INFLUENCES TO THE ALBEMARLE-PAMLICO ESTUARINE SYSTEM (APES) AND CONTINENTAL MARGIN – PART 1 (TOTAL SUSPENDED SOLIDS, BULK DISSOLVED ORGANIC CARBON, AND TOTAL DISSOLVED NITROGEN)." In 68th Annual GSA Southeastern Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019se-327180.

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Reports on the topic "Total suspended and total dissolved solids"

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Mack, S. F. Using turbidity to predict total suspended solids in mined streams in interior Alaska. Alaska Division of Geological & Geophysical Surveys, 1986. http://dx.doi.org/10.14509/1274.

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Mack, S. F. Using turbidity to predict total suspended solids in mined streams in interior Alaska. Alaska Division of Geological & Geophysical Surveys, 1988. http://dx.doi.org/10.14509/2443.

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Wilde, E. W. Effects of K-Reactor pre-operational cold flow testing on total suspended solids in Pen Branch. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/10140525.

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Wilde, E. W. Effects of K-Reactor pre-operational cold flow testing on total suspended solids in Pen Branch. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5460131.

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Weissinger, Rebecca. Status and trends of springs at Hovenweep National Monument, 1999–2021. Edited by Alice Wondrak Biel. National Park Service, 2023. http://dx.doi.org/10.36967/2294373.

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Water is a scarce, but vital, resource at Hovenweep National Monument (NM). The National Park Service has prioritized long-term monitoring of water resources at the monument through a variety of programs and indicators since 1999. The purpose of this report is to evaluate water-quantity and water-quality data collected at long-term monitoring sites in Hovenweep NM from 1999 to 2021 for trends over time, and to summarize site-characterization data for currently monitored locations. Data are available for three active monitoring stations—Square Tower Spring, Hackberry Pool, and Goodman Point Spring—and three discontinued monitoring stations—Cajon Pool, Upper Hackberry Spring (Spring #4), and Horseshoe Spring. Water resources at Hovenweep NM have exhibited many trends over the past two decades. Pool levels at both Square Tower Spring and Hackberry Pool went up, with a step increase shown in 2016 (after no sampling in 2014–2015). In contrast, flow decreased by more than half at Goodman Point Spring and ceased at Upper Hackberry Spring (Spring #4). Flow at Horseshoe Spring also decreased, although the period of record at this site was very short. Both Upper Hackberry Spring (Spring #4) and Horseshoe Spring were removed from the monitoring rotation because flows were increasingly absent or too low to measure. Pool-level dynamics and water chemistry at Cajon Pool are characteristic of precipitation-derived water rather than groundwater; this site was removed from the monitoring rotation because it was not a good indicator of groundwater conditions. The water chemistry in both Square Tower Spring and Hackberry Pool changed significantly, but in opposite directions. Square Tower Spring had increasing total dissolved solids (TDS) and specific conductance, with all major ions showing increases over time. Hackberry Pool had decreases in TDS and most major ions through 2010, when water-chemistry lab analyses were suspended due to logistical constraints. Specific conductance continued to decrease at Hackberry Pool through 2021. The reasons for these changes are unknown. Increases in major ions at Square Tower Spring are unlikely to be related to oil and gas development in the region. Decreases in major ions at Hackberry Pool may reflect an increase in the amount of water that is entering the pool from rain and snowmelt rather than groundwater at this site. Water-quality parameters at Goodman Point Spring have remained stable. While the causes of trends in water chemistry at these sites are likely natural, the small quantities of water and harsh water-quality conditions make these sites poor habitat for aquatic life. Groundwater is naturally low in dissolved oxygen—but the dissolved-oxygen concentrations in the two pools are persistently low, sometimes falling to near zero in the summer. Water temperatures also warm in conjunction with air temperatures, with temperatures as warm as 18°C in the pools and 19°C in Goodman Point Spring. Traditionally, Puebloan cultures would have managed these small water resources to promote infiltration and retention of precipitation and to remove sediment and debris. Decreases in flow and increasing vegetation stress are likely tied to increasing air temperatures and long-term drought conditions across the region. The namesake hackberry trees at Hackberry Pool and nearby sites have shown increasing drought stress. Regionally, the underlying Dakota aquifer that feeds springs at the monument was relatively stable from 2008 to 2017, with decreasing levels from 2018 to 2021. Overall, the most concerning trends observed at springs in Hovenweep NM are likely due to climate change. Increasing air temperature threatens springflow and spring-associated vegetation through increased evapotranspiration. While pool levels have increased, recent decreases in the regional Dakota aquifer raise concerns about the stability of pools in the future. Managers could consider the potential benefits and risks of: Prioritizing protections and actions at Square Tower Spring, which has been the most resilient site at the monument in persistence of surface water and vegetation health during extreme drought. Implementing potential climate-adaptation actions that could improve groundwater infiltration upgradient of spring sites. This could include rehabilitating traditional structures to slow the flow of surface water. Implementing traditional management techniques that could increase dissolved-oxygen concentrations in the spring pools. Increasing invasive-plant removal efforts at Goodman Point Spring, which had the greatest number and cover of invasive-plant species of the three currently monitored locations. Developing interpretive stories about water-management techniques and the role of climate change in creating drought stress on iconic hackberry trees.

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Desiderati, Christopher. Carli Creek Regional Water Quality Project: Assessing Water Quality Improvement at an Urban Stormwater Constructed Wetland. Portland State University, 2022. http://dx.doi.org/10.15760/mem.78.

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Stormwater management is an ongoing challenge in the United States and the world at-large. As state and municipal agencies grapple with conflicting interests like encouraging land development, complying with permits to control stormwater discharges, “urban stream syndrome” effects, and charges to steward natural resources for the long-term, some agencies may turn to constructed wetlands (CWs) as aesthetically pleasing and functional natural analogs for attenuating pollution delivered by stormwater runoff to rivers and streams. Constructed wetlands retain pollutants via common physical, physicochemical, and biological principles such as settling, adsorption, or plant and algae uptake. The efficacy of constructed wetlands for pollutant attenuation varies depending on many factors such as flow rate, pollutant loading, maintenance practices, and design features. In 2018, the culmination of efforts by Clackamas Water Environment Services and others led to the opening of the Carli Creek Water Quality Project, a 15-acre constructed wetland adjacent to Carli Creek, a small, 3500-ft tributary of the Clackamas River in Clackamas County, OR. The combined creek and constructed wetland drain an industrialized, 438-acre, impervious catchment. The wetland consists of a linear series of a detention pond and three bioretention treatment cells, contributing a combined 1.8 acres of treatment area (a 1:243 ratio with the catchment) and 3.3 acre-feet of total runoff storage. In this study, raw pollutant concentrations in runoff were evaluated against International Stormwater BMP database benchmarks and Oregon Water Quality Criteria. Concentration and mass-based reductions were calculated for 10 specific pollutants and compared to daily precipitation totals from a nearby precipitation station. Mass-based reductions were generally higher for all pollutants, largely due to runoff volume reduction on the treatment terrace. Concentration-based reductions were highly variable, and suggested export of certain pollutants (e.g., ammonia), even when reporting on a mass-basis. Mass load reductions on the terrace for total dissolved solids, nitrate+nitrite, dissolved lead, and dissolved copper were 43.3 ± 10%, 41.9 ± 10%, 36.6 ± 13%, and 43.2 ± 16%, respectively. E. coli saw log-reductions ranging from -1.3 — 3.0 on the terrace, and -1.0 — 1.8 in the creek. Oregon Water Quality Criteria were consistently met at the two in-stream sites on Carli Creek for E. coli with one exception, and for dissolved cadmium, lead, zinc, and copper (with one exception for copper). However, dissolved total solids at the downstream Carli Creek site was above the Willamette River guidance value 100 mg/L roughly 71% of the time. The precipitation record during the study was useful for explaining certain pollutant reductions, as several mechanisms are driven by physical processes, however it was not definitive. The historic rain/snow/ice event in mid-February 2021 appeared to impact mass-based reductions for all metals. Qualitatively, precipitation seemed to have the largest effect on nutrient dynamics, specifically ammonia-nitrogen. Determining exact mechanisms of pollutant removals was outside the scope of this study. An improved flow record, more targeted storm sampling, or more comprehensive nutrient profiles could aid in answering important questions on dominant mechanisms of this new constructed wetland. This study is useful in establishing a framework and baseline for understanding this one-of-a-kind regional stormwater treatment project and pursuing further questions in the future.

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Yang, J., M. Torres, C. Verba, and A. Hakala. Analyzing Solutions High in Total Dissolved Solids for Rare Earth Elements (REEs) Using Cation Exchange and Online Pre-Concentration with the seaFAST2 Unit; NETL-TRS-7-2017; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Albany, OR, 2017; p 32. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1415778.

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Weissinger, Rebecca, and Carolyn Hackbarth. Water quality in the Northern Colorado Plateau Network: Water years 2019?2022. National Park Service, 2024. http://dx.doi.org/10.36967/2304433.

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Water quality monitoring in National Park Service units of the Northern Colorado Plateau Network (NCPN) is made possible through partnerships between the National Park Service Inventory & Monitoring Division, individual park units, the U.S. Geological Survey, and the Utah Department of Environmental Quality. This report evaluates water quality data from site visits at 42 different locations within and around eight park units in Utah and Colorado from October 1, 2018 through September 30, 2022. Data are compared to state water quality standards for the purpose of providing information to park managers about potential water quality problems. Parks included for evaluation are Arches National Park (NP), Bryce Canyon NP, Canyonlands NP, Capitol Reef NP, Dinosaur National Monument (NM), Hovenweep NM, Timpanogos Cave NM, and Zion NP. Evaluation of water quality parameters relative to state water quality standards indicated that 21,644 (96.8%) of the 22,356 total designated beneficial-use evaluations completed for the period covered in this report met state water quality standards. The most common parameters that did not meet a standard include fecal indicator bacteria (Escherichia coli), water temperature, and total dissolved solids (TDS). While TDS can be an indicator of pollution, in NCPN parks, it mostly occurs downstream of rock outcrops that naturally increase TDS in streams. Phosphorus concentrations were often greater than acceptable thresholds but were rarely associated with indicators of impairment such as algal blooms, fish kills, or low dissolved oxygen. Sites monitored in Arches NP, Bryce Canyon NP, Capitol Reef NP, Dinosaur NM, Hovenweep NM, and Zion NP all had occurrences when fecal indicator bacteria concentrations were greater than associated state standards. State-coordinated plans to reduce waste contamination are in place for the North Fork Virgin River (Zion NP) and the Fremont River (Capitol Reef NP). The plans have resulted in a decrease in the number of chronic and acute standard violations at Zion. Elevated water temperatures occurred at sites in Canyonlands NP, Capitol Reef NP, and Zion NP. Water temperature is strongly correlated with air temperature in surface waters across the Colorado Plateau. Additional issues of management concern include low dissolved oxygen in Salt Wash at Wolfe Ranch (Arches NP) and Square Tower Spring (Hovenweep NM), as well as selenium in the Colorado River (Arches NP and Canyonlands NP). State-coordinated plans to reduce selenium concentrations in the Upper Colorado River basin are in place.

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Hackbarth, Carolyn, and Rebeca Weissinger. Water quality in the Northern Colorado Plateau Network: Water years 2016–2018 (revised with cost estimate). National Park Service, 2023. http://dx.doi.org/10.36967/nrr-2279508.

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Water-quality monitoring in National Park Service units of the Northern Colorado Plateau Network (NCPN) is made possible through partnerships between the National Park Service Inventory & Monitoring Division, individual park units, the U.S. Geological Survey, and the Utah Division of Water Quality. This report evaluates data from site visits at 62 diﬀerent locations on streams, rivers, and reservoirs in or near ten NCPN park units between October 1, 2015 and September 30, 2018. Data are compared to state water-quality standards for the purpose of providing information to park managers about potential water-quality problems. The National Park Service does not determine the regulatory status of surface waters; state water quality agencies determine whether waters comply with the Clean Water Act. Evaluation of water-quality parameters relative to state water-quality standards indicated that 17,997 (96.8%) of the 18,583 total designated beneﬁcial-use evaluations completed for the period covered in this report met state water-quality standards. The most common exceedances or indications of impairment, in order of abundance, were due to elevated nutrients, elevated bacteria (E. coli), elevated water temperature, elevated trace metals, elevated total dissolved solids (and sulfate), elevated pH, and low dissolved oxygen. While some exceedances were recurring and may have been caused by human activities in the watersheds, many were due to naturally occurring conditions characteristic of the geographic setting. This is most apparent with phosphorus, which can be introduced into surface water bodies at elevated levels by natural weathering of the geologic strata found throughout the Colorado Plateau. Higher phosphorus concentrations could also be attributed to anthropogenic activities that can accelerate erosion and transport of phosphorus. Some activities that can increase erosional processes include grazing, logging, mining, pasture irrigation, and oﬀ-highway vehicle (OHV) use. Exceedances for total phosphorus were common occurrences at nine out of ten NCPN park units, where at least one site in each of these parks had elevated phosphorus concentrations. At these sites, high levels of nutrients have not led to algal blooms or other signs of eutrophication. Sites monitored in Arches National Park (NP), Black Canyon of the Gunnison NP (BLCA), Bryce Canyon NP (BRCA), Capitol Reef NP (CARE), Curecanti National Recreation Area (CURE), Dinosaur National Monument (DINO), and Zion NP (ZION) all had E. coli ex-ceedances that could be addressed by management actions. While many of these sites already have management actions underway, some of the actions necessary to bring these waters into compliance are beyond the control of the National Park Service. Changes to agricultural practices to improve water quality involves voluntary participation by landowners and/or grazing permittees and their respective states. This could be the case with lands upstream of several parks with E. coli contamination issues, including Red Rock Canyon (BLCA); Sul-phur, Oak, and Pleasant creeks (CARE); Blue Creek and Cimarron River (CURE); Brush and Pot creeks (DINO); and North Fork Virgin River (ZION). Issues with E. coli contamination at Yellow Creek (BRCA) seemed to be resolved after the park boundary fence downstream of the site was repaired, keeping cattle out of the park. At North Fork Virgin River, E. coli exceedances have been less frequent since the State of Utah worked with landowners and grazing permittees to modify agricultural practices. Continued coordination between the National Park Service, state agencies, and local landowners will be necessary to further re-duce E. coli exceedances and, in turn, improve public health and safety in these streams. Selenium concentrations in Red Rock Canyon (BLCA) continued to exceed the state aquat-ic-life standard at both the upstream and downstream sites. Although selenium weathers naturally from bedrock and...

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Kirby, Stefan M., J. Lucy Jordan, Janae Wallace, Nathan Payne, and Christian Hardwick. Hydrogeology and Water Budget for Goshen Valley, Utah County, Utah. Utah Geological Survey, 2022. http://dx.doi.org/10.34191/ss-171.

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Goshen Valley contains extensive areas of agriculture, significant wetlands, and several small municipalities, all of which rely on both groundwater and surface water. The objective of this study is to characterize the hydrogeology and groundwater conditions in Goshen Valley and calculate a water budget for the groundwater system. Based on the geologic and hydrologic data presented in this paper, we delineate three conceptual groundwater zones. Zones are delineated based on areas of shared hydrogeologic, geochemical, and potentiometric characteristics within the larger Goshen Valley. Groundwater in Goshen Valley resides primarily in the upper basin fill aquifer unit (UBFAU) and lower carbonate aquifer unit (LCAU) hydrostratigraphic units. Most wells in Goshen Valley are completed in the UBFAU, which covers much of the valley floor. The UBFAU is the upper part of the basin fill, which is generally less than 1500 feet thick in Goshen Valley. Important spring discharge at Goshen Warm Springs issues from the LCAU. Relatively impermeable volcanic rocks (VU) occur along much of the upland parts of the southern part of Goshen Valley. Large sections of the southwest part of the Goshen Valley basin boundary have limited potential for interbasin flow. Interbasin groundwater flow is likely at several locations including the Mosida Hills and northern parts of Long Ridge and Goshen Gap in areas underlain by LCAU. Depth to groundwater in Goshen Valley ranges from at or just below the land surface to greater than 400 feet. Groundwater is within 30 feet of the land surface near and north of Goshen, in areas of irrigated pastures and wetlands that extend east toward Long Ridge and Goshen Warm Springs, and to the north towards Genola. Groundwater movement is from upland parts of the study area toward the valley floor and Utah Lake. Long-term water-level change is evident across much of Goshen Valley, with the most significant decline present in conceptual zone 2 and the southern part of conceptual zone 1. The area of maximum groundwater-level decline—over 50 feet—is centered a few miles south of Elberta in conceptual zone 2. Groundwater in Goshen Valley spans a range of chemistries that include locally high total dissolved solids and elevated nitrate and arsenic concentrations and varies from calcium-bicarbonate to sodium-chloride-type waters. Overlap in chemistry exists in surface water samples from Currant Creek, the Highline Canal, and groundwater. Stable isotopes indicate that groundwater recharges from various locations that may include local recharge, from the East Tintic Mountains, or far-traveled groundwater recharged either in Cedar Valley or east of the study area along the Wasatch Range. Dissolved gas recharge temperatures support localized recharge outside of Goshen. Most groundwater samples in Goshen Valley are old, with limited evidence of recent groundwater recharge. An annual water budget based on components of recharge and discharge yields total recharge of 32,805 acre-ft/yr and total discharge of 35,750 acre-ft/yr. Most recharge is likely from interbasin flow and lesser amounts from precipitation and infiltration of surface water. Most discharge is from well water withdrawal with minor spring discharge and groundwater evapotranspiration. Water-budget components show discharge is greater than recharge by less than 3000 acreft/yr. This deficit or change in storage is manifested as longterm water-level decline in conceptual zone 2, and to a lesser degree, in conceptual zone 1. The primary driver of discharge in conceptual zone 2 is well withdrawal. Conceptual zone 3 is broadly in balance across the various sources of recharge and discharge, and up to 1830 acre-ft/yr of water may discharge from conceptual zone 3 into Utah Lake. Minimal groundwater likely flows to Utah Lake from zones 1 or 2.

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