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EPA updates rule for pathogens in drinking water.

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December 28, 2012 - EPA's Revised Total Coliform Rule ensures that all of the approximately 155,000 public water systems in the U.S., which provide drinking water to more than 310 million people, take steps to prevent exposure to pathogens like E. coli. Under revised rule, public drinking water systems are required to notify public if test exceeds maximum contaminant level for E. coli in drinking water. Also, water facilities must assess system and fix potential sources and pathways of contamination.

EPA Updates Rule for Pathogens in Drinking Water, Sets Limit for E. Coli


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Environmental Protection Agency (EPA)
Ariel Rios Building
Washington, DC, 20460
USA



Press release date: December 20, 2012

WASHINGTON - The U.S. Environmental Protection Agency (EPA) has updated the rule for pathogens in drinking water, including setting a limit for the bacteria E. coli to better protect public health.

The Revised Total Coliform Rule ensures that all of the approximately 155,000 public water systems in the United States, which provide drinking water to more than 310 million people, take steps to prevent exposure to pathogens like E. coli. Pathogens like E. coli can cause a variety of illnesses with symptoms such as acute abdominal discomfort or, in more extreme cases, kidney failure or hepatitis.

Under the revised rule, public drinking water systems are required to notify the public if a test exceeds the maximum contaminant level (MCL) for E. coli in drinking water. If E. coli or other indications of drinking water contamination are detected above a certain level, drinking water facilities must assess the system and fix potential sources and pathways of contamination. High-risk drinking water systems with a history of non-compliance must perform more frequent monitoring. The revised rule provides incentives for small drinking water systems that consistently meet certain measures of water quality and system performance.

Public water systems and the state and local agencies that oversee them must comply with the requirements of the Revised Total Coliform Rule beginning April 1, 2016. Until then, public water systems and primacy agencies must continue to comply with the 1989 version of the rule.

The Safe Drinking Water Act requires that EPA review each National Primary Drinking Water Regulation, such as the Total Coliform Rule, at least once every six years. The outcome of the review of the 1989 Total Coliform Rule determined that there was an opportunity to reduce implementation burden and improve rule effectiveness while at the same time increasing public health protection against pathogens in the drinking water distribution systems. EPA’s revised rule incorporates recommendations from a federal advisory committee comprised of a broad range of stakeholders and considers public comments received during a public comment period held in fall 2010.

For more information: http://water.epa.gov/lawsregs/rulesregs/sdwa/tcr/regulation.cfm
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