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Coliform Management: What are Utilities Doing to Mitigate Occurrences?
Author(s) -
Friedman Melinda,
Hanson Amie,
Kirmeyer Gregory,
Dewis Kylee,
Lechevallier Mark
Publication year - 2011
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.2011.tb02371.x
Subject(s) - disinfectant , water quality , environmental science , sampling (signal processing) , environmental engineering , waste management , computer science , engineering , chemistry , ecology , biology , telecommunications , organic chemistry , detector
This article presents case studies that detail the activities by water utilities to investigate microbial occurrences. The following investigative strategies are described: sampling and detection methods; disinfectant concentration; speciation; additional monitoring and analysis; biofilm pipe coupons; and, nutrients. The case studies also highlight mitigation strategies such as distribution system disinfectant, change in treatment, water quality, operation and maintenance, and source water monitoring.