A long-term evaluation of the variability in THM content in a large water distribution system
The study was conducted in a wide distribution system supplied by two water treatment plants, one for surface water (WTP1) and one for infiltration water (WTP2). In both water treatment plants, water undergoes disinfection with chlorine dioxide and chlorine. The study was conducted during a 6-year p...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-04-01
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| Series: | Desalination and Water Treatment |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398625001493 |
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| Summary: | The study was conducted in a wide distribution system supplied by two water treatment plants, one for surface water (WTP1) and one for infiltration water (WTP2). In both water treatment plants, water undergoes disinfection with chlorine dioxide and chlorine. The study was conducted during a 6-year period and included a water quality analysis of water being introduced into the distribution system in both plants and water taken from 25 monitoring points located within the distribution network. Their locations are shown in figure 1, and were characterized by different distances from the treatment plants, ranging from 2.2 to 16.9 km. Regardless of the type of water supplying the distribution system, no relationship was found between changes in THM concentrations and changes in concentration of TOC or UV254 absorbance. Their concentration did depend however, on the distance of the monitoring point from the water treatment plant. The drinking water was safe during the study period, and the content of disinfection by-products was lower than the standards limit. |
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| ISSN: | 1944-3986 |