Bibliografías temáticas / Water utilitie

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Literatura académica sobre el tema "Water utilitie"

Autor: Grafiati

Publicado: 11 de marzo de 2023

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Artículos de revistas sobre el tema "Water utilitie"

Uslu, Berk y Sunil K. Sinha. "Subsurface Utility Engineering for Drinking Water and Wastewater Utilities". International Journal of Engineering Research 4, n.º 11 (1 de noviembre de 2015): 625–30. http://dx.doi.org/10.17950/ijer/v4s11/1110.

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Brito, Rita, Dália Loureiro, Maria Adriana Cardoso, Liliana Santos y Maria Céu Almeida. "Rede de partilha de entidades gestoras de sistemas urbanos de água (iCITAGE.net)". Águas e Resíduos, n.º 6 (8 de abril de 2020): 40–49. http://dx.doi.org/10.22181/aer.2020.0604.

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Kamarudin, Norbaizura, Wan Rosmanira Ismail y Muhammad Azri Mohd. "Malaysian Water Utilities Performance Using Two-Stage DEA". International Journal of Applied Physics and Mathematics 5, n.º 1 (2015): 60–66. http://dx.doi.org/10.17706/ijapm.2015.5.1.60-66.

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Kumar, Surender. "Unaccounted for water and the performance of water utilities: an empirical analysis from India". Water Policy 12, n.º 5 (25 de marzo de 2010): 707–21. http://dx.doi.org/10.2166/wp.2010.022.

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Conventional benchmarking measures focus mainly on water produced whilst ignoring water produced but not reaching consumers, unaccounted for water (UFW). Benchmarking must credit utilities for a reduction in UFW and improvements in service delivery. This study measures the performance of 20 urban water utilities using data from an Asian Development Bank survey of Indian water utilities in 2005. It applies directional distance function as an analytical tool for measuring performance of water utilities. The results reveal that at the mean level, Indian water utilities have the potential of increasing water delivery levels and reducing UFW by 20%. About half of that can be realized by changing the scale of operation. Metering of the water delivered and the length of the distribution network are major determinants of performance of water utilities.

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Merkel, W., N. Staben, J. Bräcker, P. Levai, M. Neskovic, D. Petry y M. Weiss. "Structural conditions in German water supply". Water Supply 11, n.º 5 (1 de diciembre de 2011): 596–604. http://dx.doi.org/10.2166/ws.2011.107.

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Against the background of price controls for drinking water supply utilities in Germany, the comparability of utilities with regard to their specific structural conditions comes into focus. Relevant structural conditions were identified for the two main technical processes, namely water production (WP) and treatment, storage and distribution (TSD). A defined clustering process for comparable utilities has been developed. At the end of the process, groups of comparable utilities are obtained including information to what extent and in which structural condition these utilities are similar. These sets of relevant structural conditions and the clustering process were verified in a data assessment study with 45 German utilities. Applying the clustering process to the sample, WP and TSD peer groups of a certain utility are obtained, where structural similarities are above a certain threshold value. Performance and cost indicators of comparable utilities have been evaluated, providing interesting data on general performance levels and spread among individual utilities. The survey underlines the high standard of German water supply in terms of reliability, quality, customer service, sustainability and economic efficiency.

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Romano, Giulia y Andrea Guerrini. "Paying Returns to Shareholders of Water Utilities: Evidence from Italy". Sustainability 11, n.º 7 (5 de abril de 2019): 2033. http://dx.doi.org/10.3390/su11072033.

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The debate about the role of corporations with regard to water also involves the influence that paying returns to shareholders could have on the investment policy of utilities, influencing the development of new infrastructure or the renewal of existing ones. This study investigated the dividend policy of water utilities by analyzing the data of 128 Italian firms during 2009–2014. Data show that the majority of utilities do not distribute any return to shareholders. On average, large utilities pay more frequent returns than medium-sized and small ones. Moreover, water utilities that are part of a group, multi-utilities, and those located in the center of Italy pay more frequent returns than do others. Southern firms usually do not pay returns. As expected, privately owned water utilities pay dividends more frequently and have higher returns to equity. In all the observed years, at least one-third of such utilities paid returns. Empirical results provide water regulators, water utility managers, and stakeholders with information that can impact future regulatory and managerial decisions related to management and strategic model choices in the water industry and how these decisions affect investments to improve water quality, water quantity, and/or water services.

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Lavee, Doron y Sefi Bahar. "Examining the economies of scale of water and sewage utilities in the urban sector: the case of Israel". Water Policy 19, n.º 2 (27 de diciembre de 2016): 257–70. http://dx.doi.org/10.2166/wp.2016.095.

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This study applies econometric tools to examine the economies of scale of the water and sewage utilities corporation (utilities) in the urban sector in Israel, and to find whether reducing the number of utilities will maximize efficiency in the urban water sector. Using an econometric analysis of an elasticity Translog cost function, which allows the estimation of returns to scale, the authors examined the optimal size for water and sewage utilities in Israel, based on panel data of 51 utilities. According to the study's results, there is a distinct advantage of economies of scale in Israel's water utilities, and the current distribution of the urban water sector in Israel is characterized by inefficiency and high cost. The results indicate that reducing the number of utilities will achieve an increase in water quantities by utility, and the costs of water production will decline due to economies of scale.

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Carvalho, Pedro, Isabel Pedro y Rui Cunha Marques. "The most efficient clusters of Brazilian water companies". Water Policy 17, n.º 5 (17 de marzo de 2015): 902–17. http://dx.doi.org/10.2166/wp.2015.148.

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Usually water utilities provide their services under natural monopoly, with few incentives to become efficient, therefore affecting customers in the form of expensive tariffs. Hence, it is extremely important to find out the sources of inefficiency. The present study aims to identify the most efficient water utility groups in Brazil. For this purpose, a robust non-parametric method was applied. The results show that the utilities that provide both drinking water and wastewater services, the local utilities, and the utilities with private participation are more efficient. Furthermore, this study proved that the utilities were more efficient before the regulatory framework had been implemented.

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Shibuya, Masao, Francesc Hernández-Sancho y María Molinos-Senante. "Economic effects of the consolidation of water utilities in Japan". Water Supply 14, n.º 5 (16 de mayo de 2014): 909–16. http://dx.doi.org/10.2166/ws.2014.050.

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Water utilities are affected by economies of scale. However, in Japan most water utilities are small-scale water services. Therefore, they face enormous difficulties in terms of financial and personnel resources. To take advantage of economies of scale, the consolidation of water utilities has been promoted since 1965 by Japanese water authorities. The measure has been successful to some extent; nevertheless, consolidation has not progressed in recent years as was expected. This paper identifies the main barriers that hinder the consolidation of water utilities in Japan and describes the new promotion plan for the consolidation of water utilities developed by the Japan Water Works Association. To assess the economic effects of consolidation, an empirical application is carried out involving four real Japanese cities. The results will be useful to water authorities considering consolidation in the long-term planning of urban water management.

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Gupta, Shreekant, Surender Kumar y Gopal K. Sarangi. "Measuring the performance of water service providers in urban India: implications for managing water utilities". Water Policy 14, n.º 3 (2 de enero de 2012): 391–408. http://dx.doi.org/10.2166/wp.2011.109.

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This study assesses the efficiency of the urban water supply system in 27 selected Indian cities. It applies data envelopment analysis (DEA) as an analytical tool to measure technical efficiency. Cities are categorized into different groups according to the management structure of their water utilities. The results show that within groups, the utilities that are managed by ‘municipal corporations (MCs) and parastatals', with a certain amount of functional autonomy, perform better in comparison to the group ‘MCs and government’ and thus, strengthen the hypothesis that functional autonomy in management leads to better performance of the water utilities. Moreover, the results also have implications for urban domestic water pricing. We find that most water utilities are operating under decreasing returns to scale (DRS), implying that water should be priced at a marginal cost of supply.

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Tesis sobre el tema "Water utilitie"

Gay, Alanis Leon F. "Measuring Energy Efficiency of Water Utilities". Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/34231.

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Water infrastructure systems worldwide use large amounts of energy to operate. Energy efficiency efforts are relevant because even relatively small gains in efficiency have the potential to bring significant benefits to these utilities in terms of financial savings and enhanced sustainability and resiliency. In order to achieve higher efficiency levels, energy usage must be measured and controlled. A common tool used to measure energy efficiency in water utilities and perform comparisons between utilities is metric benchmarking. Energy benchmarking scores are intended to measure how efficient water systems are among their peers, in a simple and accurate fashion. Although many different benchmarking methods are currently used, we chose to use the segregated benchmarking scores proposed by Carlson on his research report from 2007 (Carlson, 2007). The research objective is to improve these production energy use and treatment energy use benchmarking scores by analyzing the systemâ s particular characteristics that might skew the results, such as topology, water loss and raw water quality. We propose that benchmarking metrics should be always used within a particular context for each specific utility being analyzed. A complementary score (Thermodynamic Score) was developed to provide context on how energy efficient is the utility not only compared with other utilities, but also compared with the potential maximum efficiency the utility can reach itself. We analyzed eight utilities from Virginia to obtain production and treatment energy use benchmarking scores and also thermodynamic scores using the minimum required energy approach. Benchmarking scores were skewed in 50% of the studied utilities. This means that benchmarking scores should never be used as a black box. The thermodynamic score proved to be useful for measurement of energy efficiency of a water utility on its production phase. In addition, some utilities can detect significant financial saving opportunities using the minimum required energy analysis for production operations.
Master of Science

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Park, Hyun Jung. "A study to develop strategies for proactive water-loss management". Diss., unrestricted, 2006. http://etd.gsu.edu/theses/available/etd-06252007-125732/.

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Thesis (Ph. D.)--Georgia State University, 2006.
Title from file title page. Mary Beth Walker, committee chair; Ronald G. Cummings, Douglas S. Noonan, Bryan G. Norton, William L. Waugh, committee members. Electronic text (144 p. : ill. (some col.)) : digital, PDF file. Description based on contents viewed Nov. 29, 2007. Includes bibliographical references (p. 135-144).

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Hurlbut, David. "Irrigation for sale : a case study of water marketing and conservation in the Rio Grande Valley of Texas /". Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Topaloglu, Ece. "Privatization Of Water Utilities From And Integrated Water Resources Management Perspective". Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609172/index.pdf.

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This submission reviews the two successful examples of water markets, one in the developed world, the Murray Darling Basin in Australia and other in the developing world, the Limari Basin case in Chile respectively. Of central importance, we find the commodification of a natural resource, water, through a process of the progressing neoliberal agenda. As regards the outcome of this process in these two cases
while on the one hand the water markets have contributed to a more efficient allocation of water resources from less efficient to more efficient uses, on the other hand, problems related to environmental degradation in the former case and the social inequity in the latter have been unable to be solved.

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Uhlmann, Vikki. "An approach to sustainability management for water utilities /". [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19069.pdf.

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Chanpiwat, Pattanun. "Quantitative Approach to Select Energy Benchmarking Parameters for Drinking Water Utilities". Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/64201.

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Energy efficiency is currently a hot topic on all regional, national, and global stages. Accurate measurements on how energy is being used over a period of time can improve performance of the drinking water utility substantially and reduce energy consumption. Nevertheless, the drinking water industry does not have a specific benchmarking practice to evaluate its energy performance of the system. Therefore, there are no standards to compare energy use between water utilities that have a variety of system characteristics. The goal of this research is to develop quantitative approach to select energy benchmarking parameters of the water system, so the drinking water utilities can use those parameters to improve their energy efficiency. In addition to a typical benchmarking of drinking water utilities, the energy benchmarking can specifically compare energy efficiency of a utility with other utilities nationwide. The research developed a regression model based on the statistical representation of the energy use and descriptive characteristics of the drinking water utilities data throughout the U.S. Methodologies to eliminate singularity and multicollinearity from collinear survey dataset are discussed. The all possible regressions were chosen as parameters selection methodology to identify a subset of most significant parameters, i.e. system characteristics, that can mathematically correspond to energy use across different utilities. As a result, the energy benchmarking would be able to calculate the predicted total energy use of the system from given system characteristics.
Master of Science

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Brighu, Urmila. "Asset management in urban water utilities : case study in India". Thesis, Cranfield University, 2008. http://dspace.lib.cranfield.ac.uk/handle/1826/4420.

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Access to safe and sufficient drinking water and adequate sanitation are now recognized as basic human rights. One Millennium Development Goal is to reduce by half the proportion of people without access to safe drinking water and basic sanitation by 2015. However, ensuring sustainability of existing and new services is considered to be one of the major challenges for the water sector in the years to come. In India, in addition to service expansion, existing water service quality has been observed to be deteriorating over recent years. There is therefore an equally urgent need to address sustainability and improvement of service quality to the presently served population. In this low-income country, where water utilities are unable to recover even the service costs of operations and minor maintenance through user charges, there is a need to determine ways and means to be able to maintain a cost-effective service to consumers. For such a capital intensive service these ways have to include not only the introduction of efficiency measures but also the long-term planning of capital maintenance, that is the maintenance of the fixed assets upon which services depend. Water utilities in high-income countries have been using various fixed asset management techniques to improve asset operational efficiency, to plan capital maintenance and to demonstrate their ability to maintain and improve service to their customers. This study explores the viability of the application of asset management techniques and their potential contribution towards improving water service provision in urban centres in India. Following a literature review, a generic asset management model for a low-income country water utility was developed and then applied in the water utility serving Jaipur, Rajasthan to assess the viability of this adaptation. Having identified strengths and weaknesses during this fieldwork a revised model was proposed, including distinct phases of asset management/data intensity, which could be used as a generic approach in large urban centres in India. Following consultations with prospective users in six States, the study showed that it is feasible to take a first step towards asset management at low cost but this will require a change in the management approach. The study identified lack of relevant data as a key factor influencing an effective and comprehensive application of a generic asset management model. The study concludes that the proposed phased asset management models can contribute to improving serviceability for customers; however the concern that remains is the willingness of the organisation to adapt to the necessary changes.

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Coulibaly, Housseini. "Drinking water quality and management strategies in small Quebec utilities". Thesis, Université Laval, 2003. http://www.theses.ulaval.ca/2003/21382/21382.pdf.

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La présente thèse porte sur une étude des petits systèmes municipaux du Québec (en l’occurrence, ceux desservant 10 000 personnes ou moins) et comporte trois volets. Le premier volet se focalise sur un portrait historique de la qualité de l’eau distribuée et sur les stratégies de gestion. Parallèlement, il met l'historique de la qualité et les stratégies de gestion en relation avec certains paramètres importants de la qualité de l’eau. Les résultats de ce volet montrent que pour les systèmes s’approvisionnant en eau de surface et pratiquant uniquement une chloration, la différence entre le nombre annuel moyen de rinçages des systèmes ayant connu des problèmes de qualité et ceux n’ayant pas connu de tels problèmes s’est avérée statistiquement significative. En plus, certains indicateurs de la pression agricole sur le territoire des municipalités concernées apparurent significativement corrélés avec les épisodes de coliformes. Le deuxième volet porte sur une étude de la variation spatio-temporelle de la qualité de l’eau dans dix petits systèmes. Ces systèmes furent répartis en deux groupes : quatre systèmes qui n’ont jamais ou ont rarement distribué de l’eau dérogeant aux normes microbiologiques provinciales relatives à l’eau potable et six systèmes qui ont très souvent dérogé auxdites normes. Les résultats montrent que les différences entre les deux groupes de systèmes sont essentiellement imputables aux teneurs en chlore résiduel libre et au nombre de colonies de bactéries hétérotrophes aérobies et anaérobies facultatives (BHAA) dans les réseaux de distribution correspondants et, dans une moindre mesure, aux doses de chlore appliquées. Le troisième volet inclut trois parties : la première est un portait des caractéristiques d’opération, de l’infrastructure et de la maintenance ; la deuxième est consacrée au développement d’indicateurs de performance pour les petits systèmes ; alors que la troisième traite des facteurs humains et organisationnels. Le portrait a révélé des tendances intéressantes qui ont presque toutes été confirmées par les indicateurs de performance des systèmes de distribution. Les facteurs humains et organisationnels dégagèrent des aspects tels que les antécédents scolaires, la formation complémentaire, l’expérience, la bonne conscience des nouveaux défis, le niveau de préparation pour y faire face, et l’appui des autorités locales. Dans son ensemble, cette recherche aura permis de procéder à une étude exhaustive des stratégies de gestion de la qualité de l’eau potable généralement mises de l’avant par les gestionnaires de petits systèmes et de développer des outils explicatifs pouvant guider utilement leur action, de même que celle des gestionnaires relevant des divers paliers gouvernementaux.
This thesis presents a study of small Quebec municipal utilities (i.e., serving 10,000 people or fewer) and includes three chapters. The first chapter focuses on a portrait of historical quality of distributed water and on management strategies. Concurrently, it puts historical quality and management strategies in relation to certain important water quality parameters. Results show that for surface water utilities using chlorination alone, the mean difference of annual system flushings between utilities that have experienced difficulties with historical quality and those not having experienced such difficulties proved statistically significant. In addition, some agricultural land-use indicators within the municipal territory appeared significantly correlated with coliform occurrences. The second chapter studies the spatial and temporal variation of drinking water quality in ten small utilities. These utilities were divided into two groups: four utilities that had never or rarely served water violating the provincial drinking water microbiological standards and six utilities that very often infringed upon said standards. Results show that the differences between the two groups of utilities are associated essentially with maintained chlorine residuals and heterotrophic plate count bacteria populations in corresponding distribution systems and, to a lesser extent, to the applied chlorine doses. The study includes three distinctive parts: the first one is a portrait of studied utilities’ operational, infrastructure, and maintenance characteristics; the second part is devoted to development of indicators of performance for the same utilities, whereas the last part deals with human and organisational factors. The portrait revealed interesting trends, most of which had been confirmed by utility performance indicators. As for human and organizational factors, they allowed highlighting such issues like educational background, supplementary training, experience, awareness of and preparedness to take up new challenges, and support from local authorities. Overall, this research enabled a thorough investigation of management strategies the most popular with small drinking water utilities and the development of explanatory tools that may usefully guide action from local managers and government bodies.

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Coulibaly, Housseini Diadié. "Drinking water quality and management strategies in small Quebec utilities". Doctoral thesis, Université Laval, 2003. http://hdl.handle.net/20.500.11794/17867.

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Sauter, Paul Kenneth. "A Public Utilities Internship at the Fairfield Water Treatment Plant". Miami University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1515672307065945.

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Libros sobre el tema "Water utilitie"

Kim, Thomasson y Key Note Publications, eds. Water utilities. Hampton: Key Note Publications, 1993.

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Jane, Griffiths y Key Note Publications, eds. Water utilities. 3^a ed. Hampton: Key Note, 1999.

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Phillippa, Smith y Key Note Publications, eds. Water utilities. 2^a ed. Hampton: Key Note Ltd, 1997.

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Higgins, Clay E. Utility security operations management: For gas, water, electric, and nuclear utilities. Springfield, Ill., U.S.A: C.C. Thomas, 1989.

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Cesario, Lee. Microcomputers for water utilities. Denver, CO: American Water Works Association, 1986.

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American Water Works Association. Water Desalting Committee, ed. Water desalting planning guide for water utilities. Hoboken, N.J: J. Wiley & Sons, 2004.

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Water utility management. 2^a ed. Denver, CO: American Water Works Association, 2005.

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Kutchins, Kay. Water utility management. 2^a ed. Denver, CO: American Water Works Association, 2005.

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Jacque, Grinnell Dale y American Water Works Association, eds. Water utility accounting. 3^a ed. Denver, CO: American Water Works Association, 1995.

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AWWA Water Conservation Committee., ed. Xeriscape programs for water utilities. Denver, CO: American Water Works Association, 1990.

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Capítulos de libros sobre el tema "Water utilitie"

Storm, David R. "Potable Water Supply Systems". En Winery Utilities, 112–80. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-5282-4_6.

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Storm, David R. "Potable Water Supply Systems". En Winery Utilities, 112–80. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-6973-9_6.

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Storm, David R. "Sanitation, Steam, and Hot Water". En Winery Utilities, 64–85. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-5282-4_4.

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Storm, David R. "Sanitation, Steam, and Hot Water". En Winery Utilities, 64–85. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-6973-9_4.

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Storm, David R. "Irrigation Water Supply Systems and Reclaimed Wastewater". En Winery Utilities, 181–94. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-5282-4_7.

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Storm, David R. "Irrigation Water Supply Systems and Reclaimed Wastewater". En Winery Utilities, 181–94. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-6973-9_7.

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Spellman, Frank R. "Water/Wastewater Infrastructure". En Fundamentals of Public Utilities Management, 49–54. First edition. | Boca Raton, FL : CRC Press, 2021.: CRC Press, 2020. http://dx.doi.org/10.1201/9781003089599-3.

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Schiffler, Manuel. "Jordan: Private Plants, Public Utilities". En Water, Politics and Money, 55–59. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16691-9_6.

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Crew, Michael A. y Paul R. Kleindorfer. "Water Supply". En The Economics of Public Utility Regulation, 245–62. London: Palgrave Macmillan UK, 1986. http://dx.doi.org/10.1007/978-1-349-07295-8_11.

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Brears, Robert C. "Innovative 21st Century Water Utilities". En Sustainable Financial Innovations, 111–29. First Edition. | Boca Raton, FL : Taylor & Francis, [2018]: CRC Press, 2018. http://dx.doi.org/10.1201/9781315156194-6.

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Actas de conferencias sobre el tema "Water utilitie"

Knipe, C. "Centralised outstation configuration management and control in the utilities". En IET Water Event 2007. IEE, 2007. http://dx.doi.org/10.1049/ic:20070565.

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Mars, W. "The 21st Century utility network". En 6th IET Water Event. IEE, 2008. http://dx.doi.org/10.1049/ic:20080140.

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Schal, Stacey, L. Sebastian Bryson, Lindell Ormsbee y Srinivasa Lingireddy. "Sensor Placement Guidance for Small Utilities". En World Environmental and Water Resources Congress 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480625.050.

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Shenkiryk, Myron. "Automated Surveillance for Water Utilities". En Pipeline Engineering and Construction International Conference 2003. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40690(2003)61.

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Kjellsson, Jill B., David Greene, Raj Bhattarai y Michael E. Webber. "Energy Benchmarking of Water and Wastewater Treatment, Distribution and Collection: A Case Study of Austin Water Utility". En ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65309.

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Nationally, 4% of electricity usage goes towards moving and treating water and wastewater. The energy intensity of the water and wastewater utility sector is affected by many factors including water source, water quality, and the distance and elevation that water must be transported. Furthermore, energy accounts for 10% or more of a utility’s total operating cost, suggesting that energy savings can account for significant cost savings. Better knowledge of where and when energy is used could support strategic energy interventions and reveal opportunities for efficiency. Accordingly, this investigation quantifies energy intensity by process and type, including electricity and natural gas, and explores the time-varying nature of electric energy consumption for potable water distribution using the Austin Water Utility (AWU) in Austin, Texas as a case study. This research found that most of energy consumed by the AWU is for pumping throughout the distribution network (57%) and at lift stations (10%) while potable water treatment accounts for the least (5%). Though the focus is site specific, the methodology shown herein can be applied to other utilities with sufficient data.

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Symmonds, G. S. "Changing the water paradigm: how real-time data puts sustainability into water utilities". En WATER RESOURCES MANAGEMENT 2015. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/wrm150141.

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Goodin, Joseph, Doug Wood, Ben Albritton y Lindell Ormsbee. "A Graphic Flow Distribution Model for Small Utilities". En World Environmental And Water Resources Congress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412312.292.

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Kulshrestha, Mukul y Atul K. Mittal. "Performance Appraisal of Water Utilities Using DEA Approach". En World Water and Environmental Resources Congress 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40737(2004)296.

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Zhang, Qing James. "Water Demand and Supply Management from Utilities' Perspective". En World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)534.

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"The Impact of Contribution in Aid of Construction on Utility Dilapidated Infrastructure: Evidence from the State of Florida [Abstract]". En InSITE 2019: Informing Science + IT Education Conferences: Jerusalem. Informing Science Institute, 2019. http://dx.doi.org/10.28945/4371.

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Aim/Purpose: The study examines the current credit treatment of Contribution in Aid of Construction (CIAC) on investor own utilities (IOU) and its impacts on the current state of utility infrastructure in the state of Florida Background: The Congressional Budget Office describes a synergist contributing to the present aged utility infrastructure is the cost of replacement within the water industry. The state of Florida treats Contribution in Aid of Construction (CIAC) as a liability with a credit expense balance. The ratemaking process does not include CIAC Methodology: The study used the latent change/growth structural equation model with an observed sample of 80 selected utilities. The selected utilities generated 700 observations from the financial statements. We identified and build ratios from the NRRI and Acheampong et al. utility viability model and used VIF to address multicollinearity issues and linked test to specify the inclusion of the ratios. Ten ratios were used as the explanatory variables to current total assets of IOUs. Contribution: The results may urge regulators to consider the current treatment of CIAC. Findings: The study suggests a debit treatment of the CIAC amortization expenses and the recovered amount kept in a reserved account to replace the utility infra-structure, a trend analysis comparing the credit treatment and the debit treat-ment to determine the impact of CIAC on the current credit treatment. Recommendations for Practitioners: The study complements the work completed by the study committee form by Florida House Bill No. 1389-2012, one of the findings for the committee was to establish a reserve fund for IOUs. However, they did not identify how to fund the reserve account to use to replace aged infrastructure. The results of the will enhance both practitioners and regulators understanding of the need to either maintain the current treatment of CIAC or make a policy change for CIAC to be treated with a debit balance. Both Regulators and practitioners will connect the relationship between CIAC and the total assets of utilities and find alternative means to enhance or improve the aged infrastructure within the water and wastewater industry. Recommendation for Researchers: AICPA in 2017 attempted to research into the treatment of CIAC among power and utility entities but focused on revenue recognition (FASB 606), and concluded FASB pronouncement does not address the treatment of CAIC; the study will be the first in-depth inquiry into the recognition of the of CIAC on improving the total assets of water and wastewater utilities. The study will further generate academic discussion on the inconsistent application by various states across the US on the applicability of CIAC. Should regulators or the NRRI pursue a debit or credit treatment consistently across the US and should FASB enact a pronouncement enhancing the principle-based of the method of CIAC Future Research: The study focused on the alternative treatment of CIAC and its relationship with improving total assets of aged infrastructure among water and wastewater utility. The Regulation of the water and wastewater utilities are state-specific, and the various commissions differ in several policies for the industry. The treatment of CIAC as a debit balance study is an opening-door for further research into the donated capital treatment among the various states. We recommend a study comparing states treating CIAC as a debit balance to states treating it as a credit balance and its impact on utility viability and also plant asset improvement

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Informes sobre el tema "Water utilitie"

Janson, Nils, Lindsay N. Burkhard y Sara Jones. Caribbean Water Study. Inter-American Development Bank, noviembre de 2021. http://dx.doi.org/10.18235/0003755.

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The Caribbean Water Study describes the operational and financial performance of selected water utilities in the Caribbean as reported by the utilities as well as secodary sources, the situation of non-revenue water (NRW) among these utilities, the financial impact of COVID-19 on the utilites, and the issue of their resilience to natural disasters. Benchmarking of the key performance indicators for water utilities in the Caribbean shows how utilities are performing in relation to their peers across time. NRW is seen to be one of the biggest challenges for water utilities in the Caribbean and one of the most direct ways to improve a utilitys efficiency, financial performance, and quality of service. In addition, reducing NRW contributes significantly to climate change adaptation. Regarding financial impact of COVID-19, the Study found that due to the large decreases in non-residential consumption, most utilities registered a fall in revenues and in average tariffs. The Study elucidated the fact that their small size and limited resources of water utilities make it is difficult for them to recover from the devastation of a storm on their own and post-disaster response, natural disaster preparedness, investments to increase resiliency, and access to funds are of critical importance.

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Carrillo, Paul, Ivette Contreras y Carlos Scartascini. Turn Off the Faucet: Solving Excess Water Consumption with Individual Meters. Banco Interamericano de Desarrollo, octubre de 2021. http://dx.doi.org/10.18235/0003719.

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When consumption of water and other utilities is measured collectively and payment for such services is equally shared among members of the group, individuals may use more than what is socially optimal. In this paper, we evaluate how installation of individual meters affects water consumption. Using rich administrative data from the public water utility company in Quito, Ecuador, it is estimated that water consumption decreases by about 8% as a result of the introduction of individual metering. The effect is large and economically significant: in order to obtain the same effect prices would have to double. Individual water metering could be a useful tool to curve down consumption in both developing and developed countries.

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Allen, John y Caroline Muturi. A Transition For All: Equity and community engagement in the transition of water supply management to utilities in refugee settlements in Uganda. Oxfam, UNHCR, diciembre de 2020. http://dx.doi.org/10.21201/2020.7291.

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Water supply schemes in refugee settlements in Uganda are being transitioned from management by humanitarian actors to management by national and regional utilities in an effort to improve their long-term sustainability. Research with refugee and host communities has demonstrated the need to strengthen the transition process. The transition in its current form could risk increasing inequality and pushing water services out of reach for an already vulnerable population. This summary report examines how WASH agencies and stakeholders playing a supporting role in the utility transition can make the transition more equitable, participatory and effective. The full report is available on the Oxfam WASH website: https://www.oxfamwash.org/.

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Janson, Nils y Laura Bulbena. Assessment of the Impact of COVID on Water and Sanitation Utilities in Latin America and the Caribbean. Editado por Maria Eduarda Gouvea, Keisuke Sasaki, L. Javier Garcia y Julio Cesar Aguilera. Inter-American Development Bank, septiembre de 2021. http://dx.doi.org/10.18235/0003661.

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Due to the current health crisis caused by COVID-19, the Water Utilities that provide Water and Sanitation services have seen their financial capacity affected to ensure the adequate provision of services, linked among other factors to reductions in their operating revenues and collections related to the temporary exemption from the payment of water and sanitation services for some users, deferral of bill payments, freezing of tariffs, reduction of the collection rate and prohibition of cutting services, among others. This document provides an assessment of the impact of COVID-19 on finances and operations of some Water Utilities in Latin American and the Caribbean.

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Alai, M., L. Glascoe y W. Einfeld. Sensor Acquisition for Water Utilities: Addendum. Office of Scientific and Technical Information (OSTI), junio de 2005. http://dx.doi.org/10.2172/1053984.

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Bedford, Philip, Alexis Long, Thomas Long, Erin Milliken, Lauren Thomas y Alexis Yelvington. Legal Mechanisms for Mitigating Flood Impacts in Texas Coastal Communities. Editado por Gabriel Eckstein. Texas A&M University School of Law Program in Natural Resources Systems, mayo de 2019. http://dx.doi.org/10.37419/eenrs.mitigatingfloodimpactstx.

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Flooding is a major source of concern for Texas’ coastal communities. It affects the quality of infrastructure, the lives of citizens, and the ecological systems upon which coastal communities in Texas rely. To plan for and mitigate the impacts of flooding, Texas coastal communities may implement land use tools such as zoning, drainage utility systems, eminent domain, exactions, and easements. Additionally, these communities can benefit from understanding how flooding affects water quality and the tools available to restore water bodies to healthy water quality levels. Finally, implementing additional programs for education and ecotourism will help citizens develop knowledge of the impacts of flooding and ways to plan and mitigate for coastal flooding. Land use tools can help communities plan for and mitigate flooding. Section III addresses zoning, a land use tool that most municipalities already utilize to organize development. Zoning can help mitigate flooding, drainage, and water quality issues, which, Texas coastal communities continually battle. Section IV discusses municipal drainage utility systems, which are a mechanism available to municipalities to generate dedicated funds that can help offset costs associated with providing stormwater management. Section V addresses land use and revenue-building tools such as easements, eminent domain, and exactions, which are vital for maintaining existing and new developments in Texas coastal communities. Additionally, Section VI addresses conservation easements, which are a flexible tool that can enhance community resilience through increasing purchase power, establishing protected legal rights, and minimizing hazardous flood impacts. Maintaining good water quality is important for sustaining the diverse ecosystems located within and around Texas coastal communities. Water quality is regulated at the federal level through the Clean Water Act. As discussed in Section VII, the state of Texas is authorized to implement and enforce these regulations by implementing point source and nonpoint source pollutants programs, issuing permits, implementing stormwater discharge programs, collecting water quality data, and setting water quality standards. The state of Texas also assists local communities with implementing restorative programs, such as Watershed Protection Programs, to help local stakeholders restore impaired water bodies. Section VIII addresses ecotourism and how these distinct economic initiatives can help highlight the importance of ecosystem services to local communities. Section VIX discusses the role of education in improving awareness within the community and among visitors, and how making conscious decisions can allow coastal communities to protect their ecosystem and protect against flooding.

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Féry, Guillaume. The Digital Journey of Water and Sanitation Utilities in Latin America and The Caribbean: What is at Stake and How to Begin. Editado por Marcello Basani y Xoán Fernández. Inter-American Development Bank, noviembre de 2022. http://dx.doi.org/10.18235/0004562.

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This discussion paper provides a foundation for digital transformation of water and sanitation utilities and illustrates how emerging technologies, new types of organizations, and forms of working can improve service performance and address issues related to water and wastewater management, with a focus on Latin America and the Caribbean. It also explores the fundamental dimensions of digital transformation of organizations, beyond technology, highlighting the importance of the human side of things, as well as operational impacts associated with data profusion, systems integration and interconnectivity. Finally, it shows examples of how decision-making has evolved for some front-runners, from planned and reactive operations to proactive and data-driven utilities. It aims to answer the following questions: What does digital transformation mean for the Water and Sanitation sector? What lessons can be learned from peers around the world? What are the learning points for the LAC region, considering the specific local context and its priorities? The authors also want to offer some tangible illustrations and actionable insights for professionals, wherever their organizations stand along the journey to a fully digital, connected, and data-driven company. The target audience is anyone interested in this sector, with a special focus on key actors in the ecosystem (such as regulators as well as practitioners). The goal of this paper is to raise awareness among people from water and sanitation utilities and, most importantly, provide them with insights to get started with their digital journey.

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Barrett, Larry B. Utility Solar Water Heating Workshops. Office of Scientific and Technical Information (OSTI), enero de 1992. http://dx.doi.org/10.2172/5987799.

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Barrett, L. B. Utility solar water heating workshops. Office of Scientific and Technical Information (OSTI), enero de 1992. http://dx.doi.org/10.2172/10113776.

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Botts, Alex, Chris Price, Senthil Sundaramoorthy, Subodh Chaudhari y Thomas Wenning. Understanding Your Utility Bills: Water. Office of Scientific and Technical Information (OSTI), octubre de 2021. http://dx.doi.org/10.2172/1828257.

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