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EPA/OW RIN: 2040-AF28 Publication ID: Spring 2020 
Title: Drinking Water: Final Action on Perchlorate 
Abstract:

Pursuant to a consent decree entered by the U.S. District Court for the Southern District of New York, the EPA is required to finalize a national primary drinking water regulation (NPDWR) with a maximum contaminant level goal (MCLG) for perchlorate in drinking water no later than 6/19/2020. The EPA's proposal (84 FR 30524) evaluates the feasibility and affordability of treatment technologies to remove perchlorate from drinking water and examines the costs and benefits of a Maximum Contaminant Level (MCL) and alternative MCLs. The EPA also requested comment on three alterative regulatory options, including withdrawal of the agency's 2011 determination to regulate perchlorate in drinking water.

 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: Yes  Unfunded Mandates: No 
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:
Action Source Description Date
Final  Judicial  Consent Decree, NRDC v. EPA (No. 16 Civ. 1251, SDNY, October 18, 2016)  12/19/2019 
NPRM  Judicial  Consent Decree, NRDC v. EPA (No. 16 Civ. 1251, SDNY, October 18, 2016)  05/28/2019 
Timetable:
Action Date FR Cite
NPRM  06/26/2019  84 FR 30524   
Final Rule  06/00/2020 
Additional Information: Docket #:EPA-HQ-OW-2009-0297
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: https://www.epa.gov/dwstandardsregulations/perchlorate-drinking-water  
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:
Samuel Hernandez
Environmental Protection Agency
Office of Water
1200 Pennsylvania Avenue NW, Mail Code 4607M,
Washington, DC 20460
Phone:202 564-1735
Email:  hernandez.samuel@epa.gov

Lisa Christ
Environmental Protection Agency
Office of Water
1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-8354
Email: christ.lisa@epa.gov