Relevant bibliographies by topics / Management of non-potable water

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  3. Books
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Academic literature on the topic 'Management of non-potable water'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Management of non-potable water"

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Xu, P., F. Valette, F. Brissaud, A. Fazio, and V. Lazarova. "Technical-economic modelling of integrated water management: wastewater reuse in a French island." Water Science and Technology 43, no. 10 (2001): 67–74. http://dx.doi.org/10.2166/wst.2001.0583.

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An integrated technical-economic model is used to address water management issues in the French island of Noirmoutier. The model simulates potable water production and supply, potable and non potable water demand and consumption, wastewater collection, treatment and disposal, water storage, transportation and reuse. A variety of water management scenarios is assessed through technical, economic and environmental evaluation. The scenarios include wastewater reclamation and reuse for agricultural and landscape irrigation as well as domestic non potable application, desalination of seawater and brackish groundwater for potable water supply. The study shows that, in Noirmoutier, wastewater reclamation and reuse for crop irrigation is the most cost-effective solution to the lack of water resources and the protection of sensitive environment. Some water management projects which are regarded as having less economic benefit in the short-term may become competitive in the future, as a result of tightened environmental policy, changed public attitudes and advanced water treatment technologies. The model provides an appropriate tool for water resources planning and management.
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Lahnsteiner, J., P. van Rensburg, and J. Esterhuizen. "Direct potable reuse – a feasible water management option." Journal of Water Reuse and Desalination 8, no. 1 (2017): 14–28. http://dx.doi.org/10.2166/wrd.2017.172.

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Abstract Direct potable reuse (DPR) can be more economic than indirect potable reuse as no environmental buffer is needed and conveyance and blending of the purified water with other potable sources is basically less expensive. Long-term experience in Windhoek (48 years) shows that treated domestic sewage can be safely and cost-efficiently utilized for potable reclamation (0.72 €/m3). A multiple barrier strategy is employed in order to attain the highest possible safety levels. There are three types of barriers: non-treatment, treatment and operational barriers. In recent years, new DPR schemes have been implemented in South Africa and in the USA, and the major difference between all the new reclamation processes and the Windhoek New Goreangab water reclamation plant lies in the employment of desalination process units. This topic and other issues, such as the use of ozone and biological activated carbon filtration, are addressed. Reclamation process optimization (increase in sustainability) and the attainment of greater public acceptance are the major challenges facing the promotion of DPR, which should become a common and widely used water management option within the next 5–10 years.
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Surendran, S., and A. D. Wheatley. "Grey-Water Reclamation for Non-Potable Re-Use." Water and Environment Journal 12, no. 6 (1998): 406–13. http://dx.doi.org/10.1111/j.1747-6593.1998.tb00209.x.

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Lahnsteiner, J., and G. Lempert. "Water management in Windhoek, Namibia." Water Science and Technology 55, no. 1-2 (2007): 441–48. http://dx.doi.org/10.2166/wst.2007.022.

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For decades, the city of Windhoek in Namibia succeeded in stretching their limited potable water resources through strict water management, latterly including wastewater reclamation and direct potable reuse. An integrated approach was followed and proper policies were put in place. This was followed up with appropriate legislation, education, policing and technical and financial measures with the result that extreme water shortages were overcome even in times of severe droughts.
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Rogers, Peter D., and Neil S. Grigg. "Trends in dual water systems." Journal of Water Reuse and Desalination 5, no. 2 (2014): 132–41. http://dx.doi.org/10.2166/wrd.2014.021.

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Concerns about aging infrastructure, pressure on water supplies, and increasingly stringent wastewater discharge regulations have led water providers to consider new and innovative approaches. One such approach involves the distribution of reclaimed water through a dual distribution system in which the piping is separated into two separate and independent networks. One network is used exclusively for potable water, the other for non-potable water. This paper summarizes the results of a recently completed study sponsored by the Water Research Foundation in which a retrospective assessment of the performance of existing dual water systems was performed. Criteria for the performance assessment were established through an extensive literature review, the development of 37 case studies, site visits, feedback from workshop participants, and the creation of a classification framework that enables comparisons among similar dual systems. The study concluded that the primary motivators in using dual systems are to extend water supplies and provide more options for wastewater management. While dual systems can provide benefits such as extending the lives of existing potable water systems and deducing risk from drought, there are many issues such as storage for non-potable supplies, rate-setting, and true costs accounting that remain to be resolved.
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Maiolo, Mario, Manuela Carini, Gilda Capano, Daniela Pantusa, and Marco Iusi. "Trends in metering potable water." Water Practice and Technology 14, no. 1 (2018): 1–9. http://dx.doi.org/10.2166/wpt.2018.120.

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Abstract Sustainable management of drinking water distribution systems requires information on the operating status of system components to identify the best operational management measures. The ability to acquire information on tank levels, pipeline flow and real-time pressure offers an efficient and cost-effective management perspective, and enables wider monitoring, which can improve (physical) security as well. The technology of measuring instruments for hydrodynamic variables, used to monitor potable water systems, differs in their independence from electronic data acquisition components and ability to connect to remote data communication systems. Advanced water measurement infrastructure is characterized by the ability to capture data with measurable errors from anywhere in the system, without restrictions on communication type. This paper deals with the measurement of hydrodynamic parameters and a proposal for water meter classification. It includes analysis of the main water meter and data tele-acquisition infrastructure. Several selection criteria are evaluated with respect to their ability to support mathematical hydraulic models and expert systems for water distribution system management.
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Huang, Zhe, Esther Laurentine Nya, Mohammad Azizur Rahman, et al. "Integrated Water Resource Management: Rethinking the Contribution of Rainwater Harvesting." Sustainability 13, no. 15 (2021): 8338. http://dx.doi.org/10.3390/su13158338.

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Rainwater harvesting (RWH) is generally perceived as a promising cost-effective alternative water resource for potable and non-potable uses (water augmentation) and for reducing flood risks. The performance of RWH systems has been evaluated for various purposes over the past few decades. These systems certainly provide economic, environmental, and technological benefits of water uses. However, regarding RWH just as an effective alternative water supply to deal with the water scarcity is a mistake. The present communication advocates for a systematic RWH and partial infiltration wherever and whenever rain falls. By doing so, the detrimental effects of flooding are reduced, groundwater is recharged, water for agriculture and livestock is stored, and conventional water sources are saved. In other words, RWH should be at the heart of water management worldwide. The realization of this goal is easy even under low-resource situations, as infiltration pits and small dams can be constructed with local skills and materials.
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Baghel, Anuradha, and Beer Singh. "Emerging Potable Water Technologies." Defence Life Science Journal 1, no. 2 (2016): 113. http://dx.doi.org/10.14429/dlsj.1.10739.

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Water is essential to keep up life, especially safe drinking water is one of the first priorities. As water quality is important, many nations endeavor to guard the water and to increase access to potable water. Fortification of water supplies from contamination is the earliest stripe of defence. Water purification is very important aspect, presently there are number of drinking water technologies available mostly based on ion exchange, ultra filtration and reverse osmosis techniques, but still about five million people die annually from water born diseases. The objective of this review is to provide direction on the chemical safety of drinking-water and also monitoring of chemicals in drinking-water. Water treatment potential technologies can solve diverse drinking water issues in case of chemical contamination, which is the second objective. The purpose of this review is to make survey of currently available and future emerging technologies for drinking water. Several purification techniques have been adopted to meet the standards. There is a necessity of wide-ranging global approach to tackle the problem of water pollution devastating thousand of lives annually rather than to develop nuclear and biological weapons. This document will also be useful to public health authorities, those responsible for setting standards and for surveillance of drinking-water quality, and to water supply agencies responsible for water quality management.
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Lipták, Peter, Ivan Kopecký, Ján Štrba, and Ivan Dlugoš. "The Need Of Special Technique In Crisis Management." TRANSACTIONS of the VŠB – Technical University of Ostrava, Safety Engineering Series 10, no. 2 (2015): 41–47. http://dx.doi.org/10.1515/tvsbses-2015-0012.

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Abstract Operation of special equipment is possible in crisis situations. It is because special equipment is designed for operation in non-standard often extreme conditions and situation, it is available, it has a high degree of crossing capability and it is able to provide basic living conditions even in field, e.g. provision of power for hospital, transportation of wounded and injured persons, supplies, medical care in field conditions, delivery of potable and utility water etc. The authors in the paper deal with a possibility to provide electric energy through advanced renewable sources, especially in meeting tasks in areas with no public mains, possible supplies of potable and non-potable water, embedding such assets into mobile systems. The authors in publication summarize results of research within the „Use of renewable sources of energy in practice project“. System of modeling and computer-aided simulation of renewable sources of energy has been proposed within this project. Application of a system for designing of power systems in logistic containers is expected. The knowledge on power balance of logistic containers operated by the SR Armed Forces in missions abroad is summarized in the last chapter of the paper. Experiences with operating the equipment in crisis and extreme conditions have proved a possibility to export and deploy machines and weaponry equipment of the SR Armed Forces into extreme climatic conditions, e.g. out of European conditions etc.
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Barron, O., A. Barr, M. Donn, and D. Pollock. "Combined consideration for decentralised non-potable water supply from local groundwater and nutrient load reduction in urban drainage." Water Science and Technology 63, no. 6 (2011): 1289–97. http://dx.doi.org/10.2166/wst.2011.373.

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Integrated analysis of land use change and its effect on catchment water balance allows the selection of appropriate water and land management options for new urban developments to minimise the environmental impacts of urbanisation. A process-based coupled surface water-groundwater model was developed for Southern River catchment (Perth, Western Australia) to investigate the effect of urban development on catchment water balance. It was shown that urbanisation of highly permeable flat catchments with shallow groundwater resulted in significant increase in net groundwater recharge. The increased recharge creates the opportunity to use local groundwater resources for non-potable water supply with the added advantage of reducing the total discharge from new urban developments. This minimises the environmental impacts of increased urbanisation, as higher discharge is often associated with greater nutrient loads to receiving environments. Through the used of water balance modelling it was demonstrated that there are both water and nutrient benefits from local groundwater use in terms of reduced nutrient exports to receiving waters and additional water resources for non-potable water supply.
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Dissertations / Theses on the topic "Management of non-potable water"

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Buthelezi, Lucky. "The management of potable water supply in rural areas of Umhlathuze Municipality." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/95673.

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Thesis (MBA)--Stellenbosch University, 2012.<br>This study gives an overview of the sustainability of potable water supply in rural areas of South Africa in general and four rural areas of uMhlathuze in particular. Three key challenges in achieving sustainable rural water supply are discussed in more detail and later on used to evaluate the inadequacy of financial revenues to cover the full operation, maintenance and replacement of infrastructure. This research study analysed the factors pertaining to the tariff structure used in maintaining and sustaining rendered service. It analysed the current tariff structure that includes the poorest and most marginalised in line with revenue needed to cover recurrence costs. It was the purpose of this study to examine the adequacy of the management system used to sustain the supply of potable water in rural areas, taking into cognisance the costs of rendering the account and of illegal connections combined with high water losses. The study also attempted to link these points to the challenges faced by the rural areas. The sustainability of rural water supply was analysed, based on financial factors, affordability and on the willingness to pay for the service. The researcher first compared the water billing (levies) and payment patterns of each customer in rural areas of uMhlathuze Municipality with others; and secondly, compared the primary data against theory and the literature. Differences and similarities between the collected data and theory were at the core of the analysis The research results determined that the municipality has the capacity to maintain and sustain the potable water supply network in these areas, while dealing with management questions and recommending to management what is needed to ensure that the water reticulation system is run on a sustainable basis. Sustainability of rural water supply seems to be dependent on factors like policy, legal framework and economic factors such as an ability to meet the costs and willingness to pay for rendered service.
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Magwaza, Duduzile Witness. "The management of potable water supply : the case of Mkhwanazi Tribal Authority / Magwaza, D.W." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7063.

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This mini–dissertation addresses the management of the potable water supply in the Mkhwanazi Tribal Authority's area of jurisdiction. The main objectives of the study were to determine the organisational structures and public policies governing the potable water supply in the uMhlathuze Local Municipality with a view to establishing the factors that hinder the provision of potable water to some parts of the Mkhwanazi Tribal Area and also determine how the present potable water situation is perceived by the MTA residents. The Mkhwanazi Tribal Authority's area of jurisdiction is predominantly a residential area for the Zulu speaking people under the uMhlathuze Local Municipality's area of responsibility in the Province of KwaZulu–Natal. The organisational structures governing the potable water supply in the MTA identified in the study are the ULM comprising of the Municipal Council and the administrative; Integrated Development Plan; Water Services Provider; Water Committee; and the Mkhwanazi Tribal Council. The provision of potable water in the MTA is regulated through the UMhlathuze Water Services By–Laws which are based on the standards of basic water and sanitation in terms of the White Paper on Reconstruction and Development Programme (RDP) (SA, 1994:17). The study established that the challenges affecting the potable water supply are the lack of funds in the Municipality, rising water demand, human capacity and water loss. The MTA residents appreciate the current potable water supply by the ULM but have a negative attitude towards paying for water services because they consider water as a natural resource that must be freely supplied to them by the Government. Therefore, the study recommended that water awareness campaigns be conducted regularly amongst the MTA community to raise the importance of having potable water in the community.<br>Thesis (M. Development and Management)--North-West University, Potchefstroom Campus, 2012.
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Davert, Elena M. "Putting the 'Public' Back into the Public Sector: Rethinking Potable Water Provision and Water Management Policy in Mexico City." Scholarship @ Claremont, 2012. http://scholarship.claremont.edu/cmc_theses/455.

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Reliable access to potable water is one of the most important building blocks for developing countries. Clean drinking water not only helps people break free of the cycle of poverty, but fulfilling basic health needs allows communities to address long-term development goals and improve their quality of life. Although the Millennium Development Goals aimed to halve the number of households lacking access to clean drinking water by 2015, many countries around the world still struggle to improve water coverage to their poorest citizens. Latin America is no exception, and despite being one of the most water-rich regions in the world, over 50 million people still lack access to reliable potable water. In a case study of Mexico City, this paper analyzes the trends of decentralization, privatization, and water management reform characteristic of Latin America, as well as their effects on universal water coverage. The analysis reveals that not only is privatization not a prerequisite characteristic of successful water resource management, but that local governments may be equally successful at expanding their water networks through the implementation of tariff reform, output-based aid, and increased public participation.
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Marlor, Kathryn Marie. "Examining the Economic Costs and Sources of Potable and Nonpotable Water in Northern Mexico." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4144.

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Water availability and the cost of different water sources have been studied at great length. However, information is still needed to determine the policy directions to be undertaken by nations that have not yet achieved universal coverage of an improved water source. To further examine differences in water availability and pricing in the context of the developing world, three communities in Northern Mexico were surveyed to determine the differences in water distribution schemes and associated costs between rural and urban centers. It was observed that rural communities without a piped water supply paid 13 percent more for potable water supplies and 39 percent more for nonpotable water supplies than urban communities with a piped water source. A relationship between access to piped water and the probability of contracting diarrhea was also observed, with households with access to piped water having a lower probability of contracting diarrhea than those households without, and experiencing a lower number of days per month with diarrhea, on average. This leads to the observation that rural communities, who typically are less likely to be able to afford a piped distribution system, are paying more for their water supplies than nearby urban centers, both in terms of the money spent each month for water resources, and the costs associated with contracting and treating diarrhea. Steps should be taken by Mexico and other developing nations to ensure that water is distributed equally and priced fairly, so that the more impoverished subsets of their populations are not paying higher prices for their water.
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Sajadi, Bami Fautemeh. "Water Scarcity in the Face of Hurricanes: Improving the Resilience of Potable Water Supplies in Selected Florida Counties." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7923.

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Severe storms can threaten the reliability and accessibility of drinking water supplies. The state of Florida is frequently impacted by hurricanes and is often struck more than once a year. An example of this can be found in 2017 when hurricanes Harvey, Irma, and Maria caused much damage. Compromised utilities, well contamination, and shortages in bottled water and ice are just some of the problems that may threaten peoples’ drinking water. Faced with these issues, preparation and response efforts must be effective in order to promote human health. Recent events like Hurricane Irma caused shortages in potable water which suggest the need for improvements in these efforts. The purpose of this study was to review management policies (for both preparations and responses) in dealing with potable water paucity caused by Hurricane Irma. Current efforts for managing potable water supplies were researched across selected counties in Florida. The effectiveness and deficiencies of these policies were analyzed. A survey was utilized to gain an understanding of the effects of these policies from the people’s perspective. This study determined several issues with potable water management efforts in dealing with severe storms. These issues were: 1) Economic constraints preventing the obtainment of drinking water (particularly for the Hispanic ethnic group), 2) Lack of concern/care in keeping sanitary private well systems, 3) Policies to encourage locals to prepare to last three days without regular water supplies were inadequate since many people were left without water for far longer time periods, 4) Younger respondents experienced greater potable water shortages than the elderly, and 5) Many people who received emergency relief did not actually require aid. This study also identified potential improvements in both the short-term (emergency responses) and long-term (preparedness) management of drinking water in the face of hurricanes. Recommendations were made to address each of the found issues and ameliorate the management of potable water. These recommendations were: 1) To promote enforcement of anti-price gouging laws 2) Enhancing education on the importance of a sanitary well system. 3) Enhancing infrastructure and power by increasing redundancy, storage capacity, structural integrity, backup power and structural stability; and/or promote education informing locals to prepare for water shortages that last longer than three days 4) Encouraging younger residents to be more involved with their community elders 5) Relief efforts should be made more effective in reaching their targeted populations (those in true need of aid). The results of this research may be used to enhance potable water management plans to avoid suffering and loss of wellbeing in future hurricanes.
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Olsen, Anthony. "Biology and management of chironomid species within granular activated carbon adsorbers used in potable water treatment." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.727749.

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Cousin, Elissa. "Three Essays on Water Economics." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLN026/document.

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Cette thèse s’intéresse au problème du renouvellement des infrastructures des services de distribution d’eau potable. Nous observons aujourd’hui dans les pays développés qu’une grande partie des canalisations atteint un état d’obsolescence avancé. La principale conséquence de cette obsolescence est l’apparition de fuites importantes. L’eau perdue dans ces fuites entraîne des pertes économiques liées au gaspillage des ressources investies dans la production d’eau potable, une baisse de qualité de l’eau et des pertes financière. Dans cette thèse j’explore les raisons pour lesquelles le taux de renouvellement des réseaux de distribution d’eau est si faible comparé aux besoins manifestes. Cette thèse est composée de trois chapitres. Dans le premier chapitre, je présente un modèle statique de minimisation des coûts pour obtenir un indice de qualité qui est « cost-efficient ». Cet indice est défini comme une proportion des canalisations de « bonne qualité » par rapport à la longueur totale du réseau. La solution optimale dépend de l’arbitrage entre le coût des pertes en eau par rapport au coût des canalisations de bonne qualité. Lorsque des économies d’échelle liées à la densité du réseau existent, comme dans les services urbains, les pertes en eau représentent un coût important et la réduction des pertes en eau par une augmentation de la qualité du réseau est une solution bénéfique pour les services d’eau. Cependant, nous montrons que les services d’eau dans les milieux ruraux font face à de plus grandes difficultés, à la fois pour pouvoir assurer une réduction des pertes en eau et pour répercuter le coût de renouvellement dans les prix.Dans le deuxième chapitre, je présente un modèle de « optimal switching time » qui étudie la date optimale de renouvellement des infrastructures déterminée à partir d’un modèle de maximisation des profits des services d’eau. Dans ce modèle, nous analysons le choix entre la réhabilitation et le remplacement des canalisations. Cela signifie que les services d’eau peuvent choisir une option moins coûteuse caractérisée par la réhabilitation des vielles canalisations ou le remplacement immédiat qui entraîne un coût nettement supérieur. Les résultats nous montrent que le remplacement direct est un choix plus raisonnable puisque les gains associés à la réduction temporaire des pertes en eau et au prolongement de la durée de vie des canalisations ne compensent pas le coût supplémentaire associé à la réhabilitation. Ceci est particulièrement visible dans le cas des services d’eau en milieux urbain.Dans le troisième chapitre, je présente une étude empirique concernant le taux de remplacement des canalisations dans les services d’eau en France. Les résultats nous montrent que les taux de remplacement sont en moyenne plus élevés dans les services gérés par des régies qu’en affermage. Ceci peut s’expliquer par le fait que les services en régie sont majoritairement présents dans les services de petites tailles. Par conséquent, des taux de remplacement élevés sont souvent associés à des réseaux de petite taille (faible kilométrage de canalisations). De plus, dans les petits services ruraux, les travaux de remplacement sont souvent réalisés en parallèle d’autres travaux. Néanmoins nous observons également dans les services de grande taille des taux de remplacement plus élevés dans les services en régie que dans les services en affermage. Ceci peut s’expliquer par une différence d’objectif défini par les services en régie et les services en affermage : les services en affermage ne sont pas responsables du renouvellement des canalisations à moins que ceci soit spécifié dans leurs contrats. De plus, nos résultats montrent que même s’il existe un effet négatif de la taille des services sur les taux de remplacement, dans les très grandes villes, les taux de remplacement sont plus élevés. Ceci est cohérent avec les résultats théoriques obtenus dans les deux premiers chapitres<br>This dissertation focuses on the issue of water infrastructure renewal in potable water distribution networks. I investigate the reasons why water infrastructure in certain water utilities are not renewed. This dissertation is divided into three chapters. The first chapter is based on theoretical models that solve for the optimal water main network quality index. The second chapter studies the optimal timing of water mains replacement. And finally, the third chapter is based on an empirical study on the factors that influence the water main replacement rates in French utilities.In the first chapter I present a static cost minimisation model to solve for the cost-efficient water main quality index. This quality index is defined as the proportion of ``new" mains (which we denote as ''good quality mains'') to the total length of mains. The solution depends on the arbitrage between the cost of water loss and the cost of good quality mains. Where economies of network density are present such as urban utilities, water loss represents a cost burden to the water utility; hence water loss reduction (high network quality) is beneficial. Furthermore, we show that rural utilities face the largest difficulty in achieving both water loss reduction and cost recovery of network renewal.In the second chapter I present a two-stage optimal switching timing model that solves for the profit-maximising timing of water mains replacement. This model considers the option between rehabilitation and replacement. Water utilities may be inclined to rehabilitate old mains to extend their longevity since rehabilitation costs are much lower than replacement costs. We show that it is beneficial for the utilities to replace mains that are already obsolete than to rehabilitate since the generated benefit from temporary water loss reduction and the postponement of replacement is not worth the cost of rehabilitation. This is particularly noticeable in large urban utilities that face large costs of water loss.In the third chapter, I present an empirical study on the water mains replacement rates observed in French water utilities. The empirical results based on cross sectional data show that publicly operated utilities on average have higher replacement rates than outsourced utilities. This is because most of the public utilities have short total network length (very high replacement rates are associated with small network length). Moreover, small rural networks tend to conduct replacement of mains alongside other roadworks. However results also show that public utilities have higher replacement rates over outsourced ones in very large urban utilities. This result reflects the difference of priorities defined by in-house operated utilities and outsourced utilities. This difference does not imply that outsource utilities neglect network renewal; instead it reveals the nature of the structure of outsourced utilities. The responsibility of outsourced utilities are defined in the contract signed with the local authority. If network renewal is not specified, there is no incentive for replacing mains. Moreover, in practice, outsourced utilities often manifest higher prices which are accompanied by higher water quality. Furthermore, the results show that the size of the network has a large impact on replacement rates. The longer the length, the proportion of replaced mains are smaller; however, for very large utilities the negative effect disappears. The results show that replacement rates are indeed greater in very large urban utilities. This result is coherent with the theoretical models presented in the first chapter that shows the urgent need for high network quality in large urban utilities
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Van, Den Bos Amelie Cara. "A Water Quality Assessment of the Occoquan Reservoir and its Tributary Watershed: 1973-2002." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/34117.

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The Occoquan Reservoir is a public water supply in northern Virginia. The Occoquan Watershed has developed over the years from rural land uses to metropolitan suburbs within easy commuting distance from Washington, DC. Due to this urbanization, the Occoquan Reservoir is especially vulnerable to hypereutrophication, which results in problems such as algal blooms (including cyanobacteria), periodic fish kills, and taste and odor problems. In the 1970's, a new management plan for the Occoquan Reservoir called for the construction of the Upper Occoquan Sewage Authority (UOSA), an advanced wastewater treatment plant that would take extraordinary measures for highly reliable and highly efficient removal of particulates, organics, nutrients, and pathogens. Eliminating most of the water quality problems associated with point source discharges in the watershed, this state-of-the-art treatment is the foundation for the successful indirect surface water reuse system in the Occoquan Reservoir today. A limnological analysis of thirty years of water quality monitoring data from the reservoir and its two primary tributaries shows that the majority of the nutrient and sediment load to the reservoir comes from nonpoint sources, which are closely tied to hydrometeorologic conditions. Reservoir water quality trends are very similar to trends in stream water quality, and the tributary in the most urbanized part of the watershed, Bull Run, has been identified as the main contributor of sediment and nutrients to the reservoir. Despite significant achievements in maintaining the reservoir as a source of high quality drinking water, the reservoir remains a phosphorus-limited eutrophic waterbody.<br>Master of Science
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Jackson, Kate. "Development of a Bayesian network based hybrid-decision support process for potable water management in the context of the water framework directive." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7925.

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Uncertain and complex environmental legislation governing the management of water resources has presented significant challenges to those responsible for identifying investment options to manage potable water supplies. This study aimed to develop a decision support process to enable a UK water company to understand and characterise the complex and uncertain implications of the Water Framework Directive (WFD) on the management of potable water supply. A flexible, exploratory and participatory approach was adopted, and included a central reference group comprised of managers representing different departments within the water company. Semi-structured interviews, informal discussions, focus groups, field visits, water company data, academic and legislative documentation, as well as UK water sector literature and observations by the researcher provided data which informed the criteria for and the population of a new Bayesian Network (BN) based Hybrid-Decision Support Process (Hybrid-DSP). Using BNs as a basis for decision support allowed the integration of diverse variables, as well as identifying and representing the relationships between them. The visual representation that BNs provided of the interrelationships between the variables, facilitated organisational learning in relation to the implications of the WFD for potable water management, which led to clearer identification of potential organisational responses. This study demonstrates the practical implications for the use of BNs within a water company in the UK. Furthermore a new BN based Hybrid-DSP has been developed through this study, which offers a systematic and holistic template to identify and analyse water company responses to the implementation of environmental legislation.
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Allison, Hylton. "An Assessment of water demand management and the attitudes, perceptions and practices of large potable water consumers within the Cape Metropolitan Area." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/4828.

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Books on the topic "Management of non-potable water"

1

S, Boopathi, ed. Environmental management: Issues in potable water in rural Tamil Nadu. Concept Pub. Co., 2007.

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Cajas, Cornelio. Administración de los sistemas de agua potable. CAMAREN, 2000.

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Burton & Associates. Study to determine potable quality water offset from reuse: Final report. The St. Johns River Water Management District, 2008.

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Dillon, C. P. Prevention & control of water-caused problems in building potable water systems. 2nd ed. NACE International, 1995.

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De l'eau potable au robinet?: Santé, environnement et action publique. L'Harmattan, 2013.

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Angulo, José Oscar Guerrero. Fugas de agua en redes de agua potable. Universidad Autónoma de Sinaloa, Facultad de Ingeniería, 2002.

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Talton, Edward H. Phase 1, replacement of potable quality water for landscape irrigation: Final report. St. Johns River Water Management District, 1996.

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Murillo, Diego Idrovo. Diseño, construcción, operación, mantenimiento, y evaluación de sistemas de agua potable. CAMAREN, 1999.

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Blanch, Josep Coromines i. Perímetre de protecció per a les captacions municipals d'aigua potable de la comarca del Garraf. Diputació de Barcelona, Servei del Medi Ambient, 1997.

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El Suministro de agua potable en México: Una alternativa para financiarlo y optimizar el uso del recurso. Universidad Autónoma Chapingo-Dirección de Difusión Cultural, 2002.

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Book chapters on the topic "Management of non-potable water"

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Zacharia, Renju, Muftah H. El-Naas, and Mohammed J. Al-Marri. "Photocatalytic Oxidation of Non-Acid Oxygenated Hydrocarbons." In Water Management. CRC Press, 2018. http://dx.doi.org/10.1201/b22241-15.

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Sowmiya Rajalakshmi, B., C. Thamaraiselvi, and Muthunarayanan Vasanthy. "Natural Coagulants—An Alternative for Conventional Chemical Coagulants for Potable Water Purification." In Waste Water Recycling and Management. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2619-6_21.

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Besbes, Mustapha, Jamel Chahed, and Abdelkader Hamdane. "Water Demand Management and Non Conventional Resources." In National Water Security. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75499-4_5.

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Abhayawardana, Pavithra. "Awareness and Attitudes of Sri Lankans About the Value of Potable Water and Water Security." In Water, Flood Management and Water Security Under a Changing Climate. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47786-8_15.

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Maliva, Robert, and Thomas Missimer. "Non-Renewable Groundwater Resources." In Arid Lands Water Evaluation and Management. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29104-3_36.

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Haghighi Khoshkhoo, Ramin, Ameneh Moumivand, and Mohammad Namazizadeh. "Techno-economic Analysis of Membrane Distillation to Provide Potable Water to the Hormuz Island." In Water Resources in Arid Lands: Management and Sustainability. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67028-3_27.

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Penny, Dan. "Water Management at Angkor." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-3934-5_10144-1.

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Penny, Dan. "Water Management at Angkor." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-3934-5_10144-2.

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Penny, Dan. "Water Management at Angkor." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-7747-7_10144.

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Chen, K. F., Chih-Ming Kao, and Rao Y. Surampalli. "Watershed Approach for Controlling Erosion and Non-Point Sources Pollutants to Water Bodies." In Sustainable Water Resources Management. American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784414767.ch27.

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Conference papers on the topic "Management of non-potable water"

1

Lyon, Justin. "Sustainable Water Resources Management through Potable Water Augmentation." In World Environmental and Water Resources Congress 2013. American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412947.265.

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Nealer, E. J., and E. S. Van Eeden. "Challenges regarding potable water supply management by South African municipalities." In WATER RESOURCES MANAGEMENT 2009. WIT Press, 2009. http://dx.doi.org/10.2495/wrm090061.

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Ozcelik, Ibrahim, Murat Iskefiyeli, Musa Balta, Kevser Ovaz Akpinar, and Firdevs Sevde Toker. "CENTER Water: A Secure Testbed Infrastructure Proposal For Waste and Potable Water Management." In 2021 9th International Symposium on Digital Forensics and Security (ISDFS). IEEE, 2021. http://dx.doi.org/10.1109/isdfs52919.2021.9486364.

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Diniz, V. E. M. G., P. A. Souza, and E. L. Junior. "Non-elastic matrix model for hydraulic networks calculation." In WATER RESOURCES MANAGEMENT IV. WIT Press, 2007. http://dx.doi.org/10.2495/wrm070121.

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Kim, Y. S., J. J. Kim, G. H. Lee, and J. B. Park. "Use of geophysical methods in investigating PRBs employing non-conductive reactive materials." In WATER RESOURCES MANAGEMENT IV. WIT Press, 2007. http://dx.doi.org/10.2495/wrm070331.

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Al-Hobaib, A. S., M. S. Alsuhybani, and Kh M. Al-Sheetan. "Reverse osmosis membrane modified by interfacial polymerization in non-polar heptane solvent assistance with acetone as a co-solvent." In WATER RESOURCES MANAGEMENT 2015. WIT Press, 2015. http://dx.doi.org/10.2495/wrm150211.

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Chen, Ping, and Rollin H. Hotchkiss. "Non-equilibrium Sediment Transport: Numerical Experiments." In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)291.

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Cheng, Yuan. "Non-dimensional Peak Breach Outflow Analysis with Dam Breach Parameters." In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)91.

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Watkins, Jr., David W., Ximing Cai, and Daene C. McKinney. "Global Optimum Search Technique for Non-Convex Groundwater Management Problems." In 29th Annual Water Resources Planning and Management Conference. American Society of Civil Engineers, 1999. http://dx.doi.org/10.1061/40430(1999)88.

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Nalluri, Chandra, and Jose J. Ota. "Non-cohesive Sediment Transport in Clean Sewers and with Small Mobile Beds." In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)288.

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Reports on the topic "Management of non-potable water"

1

Field, S. M. Soil Management Plan For The Potable Water System Upgrades Project. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/921962.

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Wiest, M. C. Jr. Best Management Practices (BMP) plan for potable water discharges Y-12 Plant. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/109522.

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Wyatt, Alan. Non-Revenue Water: Financial Model for Optimal Management in Developing Countries. RTI Press, 2010. http://dx.doi.org/10.3768/rtipress.2010.mr.0018.1006.

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Boettcher, Seth J., Courtney Gately, Alexandra L. Lizano, Alexis Long, and Alexis Yelvington. Part 2: Water Recycling Technical Report for Direct Non-Potable Use. Edited by Gabriel Eckstein. Texas A&M University School of Law Program in Natural Resources Systems, 2020. http://dx.doi.org/10.37419/eenrs.brackishgroundwater.p2.

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Abstract:
This Water Recycling Technical Report examines the legal frameworks that affect water recycling in Texas. The goal of this report is to provide insight into the legal and regulatory barriers, challenges, and opportunities for these technologies to go online. Each water recycling implementation site has to find ways of complying with various laws and regulations. The information in this Report comes from the study of water recycling facilities currently operating in Texas, as well as extensive research into available literature and documents from various agencies. While there is no updated “one-stop-shop” resource that provides detailed information on all the necessary permits to build, operate, and maintain such facilities, this Technical Report aims to compile the existing, available information in an organized and accessible fashion. The Water Recycling Technical Report is the second of three reports that make up the work product of a project undertaken by students at Texas A&amp;M University School of Law in a select capstone seminar. These reports examine regulations surrounding desalination and water recycling. The companion report entitled Brackish Groundwater Desalination Technical Report highlights building, operating, and monitoring requirements for desalination facilities in Texas. Finally, the Case Study Report expands on regulations in San Antonio and El Paso where these water alternatives are in place.
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Smith, Savanna Kalehua Easton. Feasibility Study of Non-Potable Reuse Water for Cooling of Future Supercomputer Infrastructure. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1467234.

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H. Montalvo. TITLE III EVALUATION REPORT FOR THE SURFACE PORTION OF THE NON-POTABLE WATER SYSTEM. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/889273.

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Pokrzywinski, Kaytee, West Bishop, Christopher Grasso, Kaitlin Volk, and Kurt Getsinger. Chemical management strategies for starry stonewort : a mesocosm study. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42040.

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US Environmental Protection Agency (USEPA) approved algaecides and herbicides are frequently utilized to manage nuisance algae and aquatic macrophytes. However, there is limited information available on the effectiveness of these products for the management of starry stonewort. Thus, the goal of this research was to discern effective chemical control products for later growth stages of starry stonewort using mesocosm studies. Eleven treatments were evaluated using various combinations of four copper-based products, endothall, diquat, and carfentrazone – all with USEPA registrations for use in aquatic sites. To assess treatment efficacy, water quality, photophysiology, biomass changes, and bulbil viability were evaluated. Nine of the eleven treatments yielded lower dissolved oxygen concentrations and higher specific conductance when compared to the control. Photophysiological response varied by condition, but seven of eleven treatments resulted in significantly lower fluorescent and maximum fluorescent yield. Five of these also exhibited significantly lower average photosynthetic yields, with combination treatments resulting in more drastic decreases. Ten of the eleven treatments had significantly less biomass compared to the control when measured via wet weight; however, only four treatments were significant when measured via dry weight. Lastly, all conditions utilizing copper-based products significantly reduced bulbil viability while non-copper products had no impact.
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Melby, Jeffrey, Thomas Massey, Fatima Diop, et al. Coastal Texas Protection and Restoration Feasibility Study : Coastal Texas flood risk assessment : hydrodynamic response and beach morphology. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41051.

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The US Army Corps of Engineers, Galveston District, is executing the Coastal Texas Protection and Restoration Feasibility Study coastal storm risk management (CSRM) project for the region. The project is currently in the feasibility phase. The primary goal is to develop CSRM measures that maximize national net economic development benefits. This report documents the coastal storm water level and wave hazard, including sea level rise, for a variety of flood risk management alternatives. Four beach restoration alternatives for Galveston Island and Bolivar peninsula were evaluated. Suites of synthetic tropical and historical non-tropical storms were developed and modeled. The CSTORM coupled surge-and-wave modeling system was used to accurately characterize storm circulation, water level, and wave hazards using new model meshes developed from high-resolution land and sub-aqueous surveys for with- and without-project scenarios. Beach morphology stochastic response was modeled with a Monte Carlo life-cycle simulation approach using the CSHORE morphological evolution numerical model embedded in the StormSim stochastic modeling system. Morphological and hydrodynamic response were primarily characterized with probability distributions of the number of rehabilitations and overflow.
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