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EPA/OW RIN: 2040-AF15 Publication ID: Spring 2020 
Title: National Primary Drinking Water Regulations for Lead and Copper: Regulatory Revisions 

The EPA proposed the Lead and Copper Rule (LCR) to include a suite of actions to reduce lead exposure in drinking water where it is needed the most. The proposed rule identifies the most at-risk communities to ensure systems have plans in place to rapidly respond by taking actions to reduce elevated levels of lead in drinking water. The proposed LCR maintains the current Maximum Contaminant Level Goal (MCLG) of zero and the Action Level of 15 ppb. The proposed rule would require a more comprehensive response at the action level and introduces a trigger level of 10 ppb that requires more proactive planning in communities with lead service lines. The proposed revisions also include requirements for water systems to prepare an inventory of known lead service lines and to make the inventory publicly available. The proposal takes a proactive and holistic approach to improving the current rule -- from testing to treatment to telling the public about the levels and risks of lead in drinking water. This approach focuses on the following six key areas: 1) identifying areas most impacted; 2) strengthening treatment requirements; 3) replacing lead service lines; 4) increasing sampling; 5) improving risk communication; and 6) protecting children in schools.

Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: Yes  Unfunded Mandates: State, local, or tribal governments; Private Sector 
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  11/13/2019  84 FR 61684   
NPRM Comment Period Extended  12/19/2019  84 FR 69695   
Final Rule  09/00/2020 
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: Businesses  Federalism: Yes 
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: Yes 
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