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Simulation of Chlorine Decay in Drinking-Water Distribution Systems
Journal of Environmental Engineering, 2002This work presents a model that evaluates the decay of the chlorine concentration in drinking water distribution networks. The model may use either Lagrangian based time driven or event driven methods depending on the hydraulic characteristic of the pipes. The decay of the chlorine within a pipe is evaluated by using a single equation that incorporates
Ucak, A, ÖZDEMİR, OSMAN NURİ
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Bacterial Dynamics in the drinking water distribution system of Brussels [PDF]
Water Research, 2001 Water samples and pipe coupons were collected from the Brussel's drinking water distribution system (DS). A treated surface water and various groundwaters feed this DS. Parameters related to bacterial regrowth have been measured on these samples: temperature, concentrations of free residual chlorine, concentration of biodegradable dissolved organic ...
Niquette, P. +2 more
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Metadata on Biofilm Development in Drinking Water Distribution Systems
2013Biofilm is formed by complex communities of microorganisms that grow within a drinking water distribution system (DWDS) and can lead to various undesirable problems. Nowadays, biofilm represents a paradigm in the management of all DWDSs. In this context, we focus on how the physical and hydraulics characteristics of DWDSs affect the development of ...
Eva Ramos-Martínez +4 more
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The occurrence of filamentous fungi in drinking water distribution systems
Canadian Journal of Microbiology, 1982The densities of filamentous fungal colonies, together with physicochemical and bacteriological parameters, were assessed in a chlorinated and unchlorinated drinking water distribution system at eight separate times over a period of 1 year. Filamentous fungal colonies were enumerated by membrane filtration on Czapek–Dox agar.
L A, Nagy, B H, Olson
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The accumulation of radioactive contaminants in drinking water distribution systems
Water Research, 2014The accumulation of trace contaminants in drinking water distribution system sediment and scales has been documented, raising concerns that the subsequent release of the contaminants back to the water is a potential human exposure pathway. Radioactive contaminants are of concern because of their known health effects and because of their persistence ...
Darren A, Lytle +3 more
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Naegleria fowleri in drinking water distribution systems
Current Opinion in Environmental Science & Health, 2020Abstract The free-living amoeba Naegleria fowleri causes the highly fatal disease primary amoebic meningoencephalitis. N. fowleri is found globally in the environment but has been increasingly detected in engineered water systems, such as drinking water distribution systems (DWDSs), with fatal infections recorded from Pakistan, USA and Australia.
Geoffrey J. Puzon +4 more
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Microbiome of Drinking Water Distribution Systems
2019Drinking water distribution systems appear as vulnerable engineered systems constantly sown and colonized by microorganisms representing several hundreds of species. Such microorganisms originate firstly from finished potable drinking water, secondly from growth in the distribution systems in the bulk water and on the surface of pipes and reservoirs as
Mathieu, Laurence +2 more
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Red Water Release in Drinking Water Distribution Systems
Journal AWWA, 2005The implementation of groundwater conservation measures has forced utilities with a historical reliance on groundwater sources to consider alternative sources to augment their supplies or to eliminate their groundwater dependence. Switching from traditional source water, however, can cause unacceptable changes in water quality that result from ...
Syed A. Imran +5 more
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Chemosphere, 2015
Deterioration and leakage of drinking water in distribution systems have been a major issue in the water industry for years, which are associated with corrosion. This paper discovers that occluded water in the scales of the pipes has an acidic environment and high concentration of iron, manganese, chloride, sulfate and nitrate, which aggravates many ...
Huiyan, Tong +6 more
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Deterioration and leakage of drinking water in distribution systems have been a major issue in the water industry for years, which are associated with corrosion. This paper discovers that occluded water in the scales of the pipes has an acidic environment and high concentration of iron, manganese, chloride, sulfate and nitrate, which aggravates many ...
Huiyan, Tong +6 more
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Assessing water quality of drinking water distribution system in the South Taiwan
Environmental Monitoring and Assessment, 2007This investigation conducted a full-scale survey the drinking water distribution system in Kaohsiung city, Taiwan. The aim was to investigate whether the distribution system was capable of maintaining high water quality from the water treatment facilities through to the end user.
Jie-Chung, Lou, Jia-Yun, Han
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