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EPA/OW RIN: 2040-AF15 Publication ID: Spring 2019 
Title: National Primary Drinking Water Regulations for Lead and Copper: Regulatory Revisions 

The Lead and Copper Rule (LCR) reduces risks to drinking-water consumers from lead and copper that can enter drinking water as a result of corrosion of plumbing materials. The LCR requires water systems to sample at taps in homes with leaded plumbing materials. Depending upon the sampling results, water systems must take actions to reduce exposure to lead and copper, including corrosion control treatment, public education, and lead service line replacement. The LCR was promulgated in 1991 and, overall, has been effective in reducing the levels of lead and copper in drinking-water systems across the country. However, there are significant challenges in the implementation of the current rule, including the rule's complexity; the degree of flexibility and discretion it affords systems and primacy states with regard to optimization of corrosion control treatment; compliance sampling practices, which in some cases, may not adequately protect from lead exposure; and limited specific focus on key areas of concern such as schools. The U.S. Environmental Protection Agency (EPA) intends to modernize and strengthen implementation of the LCR, strengthen its public health protections, and clarify its implementation requirements to make it more effective and more readily enforceable.

Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Undetermined  Unfunded Mandates: Undetermined 
EO 13771 Designation: Regulatory 
CFR Citation: 40 CFR 141    40 CFR 142   
Legal Authority: 42 U.S.C. 300f et seq., Safe Drinking Water Act   
Legal Deadline:  None
Action Date FR Cite
NPRM  07/00/2019 
Final Rule  07/00/2020 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Undetermined 
Federalism: Undetermined 
Included in the Regulatory Plan: No 
RIN Information URL:  
Sectors Affected: 221310 Water Supply and Irrigation Systems; 924110 Administration of Air and Water Resource and Solid Waste Management Programs 
RIN Data Printed in the FR: No 
Agency Contact:
Jeffrey Kempic
Environmental Protection Agency
Office of Water
4607M, 1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-4880

Lisa Christ
Environmental Protection Agency
Office of Water
1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-8354