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EPA/WATER RIN: 2040-AD94 Publication ID: Spring 2013 
Title: National Primary Drinking Water Regulations: Revisions to the Total Coliform Rule 
Abstract: The Environmental Protection Agency (EPA) has finalized revisions to the Total Coliform Rule (TCR), which was published in 1989. The Revised Total Coliform Rule (RTCR) targets public water systems (PWSs) that have distribution system microbial monitoring results that indicate a potential pathway for fecal contamination to enter the distribution system. The occurrence of indicators of contamination in the distribution system is an indication that waterborne pathogens may also be present. The RTCR provisions require systems that reach specified levels of contaminant indicators in the distribution system to conduct an assessment to determine if sanitary defects exist and, if found, correct them. The final RTCR maintains or improves public health protection, a requirement for all revisions to NPDWRs under SDWA. EPA convened a federal advisory committee to give the Agency advice on how to revise the TCR. In September 2008, all advisory committee members agreed to and signed an Agreement in Principle (AIP) that documented their recommendations. As part of the advisory committee's AIP, EPA committed to write a proposed rule that has the same substance and effect as the AIP. On July 14, 2010, EPA published proposed revisions to the TCR (75 FR 40926) that were consistent with the letter and spirit of this commitment. The final RTCR reflects consideration of the AIP and public comments. 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Completed Actions 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 141 and 142   
Legal Authority: 42 USC 300f et seq   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  07/14/2010  75 FR 40926   
Final Rule  02/13/2013  78 FR 10270   
Final Rule Effective  04/15/2013 
Additional Information: Docket #:EPA-HQ-OW-2008-0878
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: http://www.epa.gov/safewater/disinfection/tcr/regulation_revisions.html   Public Comment URL: www.regulations.gov/#!documentDetail;D=EPA-HQ-OW-2008-0878-0001  
Sectors Affected: 2213 Water, Sewage and Other Systems 
RIN Data Printed in the FR: No 
Agency Contact:
Sean Conley
Environmental Protection Agency
Water
4607M,
Washington, DC 20460
Phone:202 564-1781
Fax:202 564-3767
Email: conley.sean@epa.gov

Thomas Grubbs
Environmental Protection Agency
Water
4607M, 4607M,
Washington, DC 20460
Phone:202 564-5262
Fax:202 564-3767
Email: Grubbs.Thomas@epamail.epa.gov