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EPA/OW RIN: 2040-AG16 Publication ID: Fall 2023 
Title: National Primary Drinking Water Regulations for Lead and Copper: Improvements (LCRI) 

The Environmental Protection Agency (EPA) published the final Lead and Copper Rule Revision (LCRR) on January 15, 2021. EPA reviewed the LCRR and decided to initiate a new rulemaking process to improve the rule. This new National Primary Drinking Water Regulation is called the Lead and Copper Rule Improvements (LCRI). EPA is developing LCRI to strengthen the regulatory framework and address lead in drinking water.

Agency: Environmental Protection Agency(EPA)  Priority: Section 3(f)(1) Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Yes  Unfunded Mandates: State, local, or tribal governments; Private Sector 
CFR Citation: 40 CFR 141    40 CFR 142   
Legal Authority: 42 U.S.C. 300f et seq. Safe Drinking Water Act   
Legal Deadline:  None

Statement of Need:

The EPA promulgated the final Lead and Copper Rule Revision (LCRR) on January 15, 2021 (86 FR 4198). Consistent with the directives of Executive Order 13990, the EPA is currently considering revising this rulemaking. The EPA will complete its review of the rule in accordance with those directives and conduct important consultations with affected parties. The EPA understands that the benefits of clean water are not shared equally by all communities and this review of the LCRR will be consistent with the policy aims set forth in Executive Order 13985, “Advancing Racial Equity and Support for Underserved Communities through the Federal Government.”

Summary of the Legal Basis:

The Safe Drinking Water Act, section 1412, National Primary Drinking Water Regulations, authorizes EPA to initiate the development of a rulemaking if the agency has determined that the action maintains or improves the public health.


To be determined.

Anticipated Costs and Benefits:

To be determined.


To be determined.

Action Date FR Cite
NPRM  11/00/2023 
Final Rule  10/00/2024 
Additional Information: .
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Federal, Local, State, Tribal 
Federalism: Yes 
Included in the Regulatory Plan: Yes 
Sectors Affected: 2213 Water, Sewage and Other Systems; 23711 Water and Sewer Line and Related Structures Construction 
RIN Data Printed in the FR: No 
Related RINs: Related to 2040-AF15 
Agency Contact:
Michael Goldberg
Environmental Protection Agency
Office of Water
1200 Pennsylvania Avenue NW, 4601M,
Washington, DC 20460
Phone:202 564-1137