Your browser doesn't support javascript.
loading
Evaluation of distribution system water quality during a free chlorine conversion.
Alexander, Matthew T; Woodruff, Peyton; Mistry, Jatin H; Buse, Helen Y; Muhlen, Christy; Lytle, Darren A; Pressman, Jonathan G; Wahman, David G.
Afiliación
  • Alexander MT; United States Environmental Protection Agency, Office of Ground Water and Drinking Water, Standards and Risk Management Division, Technical Support Branch, Cincinnati, Ohio, USA.
  • Woodruff P; Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee, USA.
  • Mistry JH; United States Environmental Protection Agency, Region 6, Drinking Water Section, Dallas, Texas, USA.
  • Buse HY; United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Solutions and Emergency Response, Cincinnati, Ohio, USA.
  • Muhlen C; United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Solutions and Emergency Response, Cincinnati, Ohio, USA.
  • Lytle DA; United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Solutions and Emergency Response, Cincinnati, Ohio, USA.
  • Pressman JG; United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Solutions and Emergency Response, Cincinnati, Ohio, USA.
  • Wahman DG; United States Environmental Protection Agency, Office of Research and Development, Center for Environmental Solutions and Emergency Response, Cincinnati, Ohio, USA.
AWWA Water Sci ; 6(3)2024 Jun 20.
Article en En | MEDLINE | ID: mdl-39296677
ABSTRACT
Chloraminated drinking water systems commonly use free chlorine conversions (FCCs) to prevent or control nitrification, but unintended water quality changes may occur, including increased disinfection by-product and metal concentrations. This study evaluated water quality in a chloraminated drinking water system and residential locations before, during, and after their annual, planned FCC. Water quality alternated between relatively consistent and variable periods when switching disinfectants. During the FCC, regulated four trihalomethane and five haloacetic acid concentrations increased by four and seven times, respectively, and exceeded corresponding maximum contaminant levels. Implications of disinfection by-product sampling during an FCC were assessed, and an approach to account for increased FCC disinfection by-product concentrations was proposed. For metals, the FCC had minor impacts on distribution system concentrations and did not appear to impact residential concentrations. Overall, observed variable water quality appeared primarily associated with switching disinfectants and depended on distribution system hydraulics.
Palabras clave
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: AWWA Water Sci Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: AWWA Water Sci Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos