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New Hampshire Department of Environmental Services
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Revised Total Coliform Rule & Implementation

Total coliform bacteria contamination can be an indicator for the presence of illness causing contaminants in water systems, such as E. coli bacteria and viruses.

The new Revised Total Coliform Rule (RTCR) furthers the protection of public health by ensuring the integrity of drinking water systems and monitoring for the presence of microbial contamination. The RTCR focuses on a “find and fix” approach in response to positive bacteria sampling in public water systems. EPA requires all states to implement the RTCR by April 2016. The State of New Hampshire was the first state in the nation to implement the RTCR in February 2015.

General Summary Adobe Acrobat Reader Symbol
The Revised Total Coliform Rule – A Guide for Small Public Water Systems (EPA) Adobe Acrobat Reader Symbol

Forms and Checklists
Level 1 Assessment Form Microsoft Word Symbol
Level 2 Assessment Form Microsoft Word Symbol
Seasonal Water System Start-up Procedure & Certification Violation(s) Microsoft Word Symbol
Start-up Guidance for Seasonal Public Water Systems Microsoft Word Symbol - Not required until 2016, but recommended to start in 2015.
Start-up Procedures Certification for Seasonal Public Water Systems Microsoft Word Symbol

Master Sampling Schedule
OneStop Public Water System Search

Related Rules
Env-Dw 506 Seasonal Water Systems
Env-Dw 709 Drinking Water Monitoring Rules – includes requirements for seasonal systems
Env-Dw 720 Drinking Water Assessment Rules – includes requirements for seasonal systems
Env-Dw 800 Public Notice
Env-Dw 811 Consumer Confidence Report

Fact Sheets and Manuals
WD-DWGB-4-2 Causes of Positive Bacteria Results in Water Samples Adobe Acrobat Reader Symbol
WD-DWGB-4-3 Disinfecting Public Water Systems Adobe Acrobat Reader Symbol
Sample Collection and Preservation Manual Adobe Acrobat Reader Symbol

NH Certified Operator Program
Water Works Operator Certification Program
Water Works Operator Certification Program Training

Other Resources
EPA Total Coliform Rule Revisions
EPA RTCR: A Quick Reference Guide Adobe Acrobat Reader Symbol
Granite State Rural Water Association (GSRWA) Training

Contact Us

Engineering and Survey Technical Assistance
Amy Rousseau, Amy.Rousseau@des.nh.gov, (603) 271-0893

 

 

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Bacteria Monitoring Program
Jackie Howarth, jacqueline.howarth@des.nh.gov, (603) 271-0672

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NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

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