Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels

RIN

2040-AG49

Last modified

Jun 30, 2026

Comment window

closed 34d ago

Natural Resources Defense Council (NRDC) filings

Activity

Natural Resources Defense Council (NRDC) filed 9 comments on this docket between Jul 28, 2026 and Jul 28, 2026. 44 other organizations filed here. The comment window closed 34d ago.

What Natural Resources Defense Council (NRDC) filed (9)

Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 1 of 9)· EPA-HQ-OW-2025-1742-0471

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 1 of 8). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 3 of 9)· EPA-HQ-OW-2025-1742-0473

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 3 of 8). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 2 of 9)· EPA-HQ-OW-2025-1742-0472

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 2 of 8). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 5 of 9)· EPA-HQ-OW-2025-1742-0475

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 5 of 8). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 6 of 9)· EPA-HQ-OW-2025-1742-0476

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 6 of 9). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 4 of 9)· EPA-HQ-OW-2025-1742-0474

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 4 of 8). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 7 of 9)· EPA-HQ-OW-2025-1742-0477

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 7 of 9). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 8 of 9)· EPA-HQ-OW-2025-1742-0478

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 8 of 9). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Jul 28, 2026· Comment submitted by Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 9 of 9)· EPA-HQ-OW-2025-1742-0479

Please find attached references cited in the comments of Earthjustice, Natural Resources Defense Council, and Southern Environmental Law Center (Part 9 of 9). The ID associated with the primary submission is mrt-o3r9-lm5y.

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Abstract

EPA is proposing a new rule that provides additional time for public water systems to meet the compliance deadlines for the Maximum Contaminant Levels in the National Primary Drinking Water Regulations for PFOA and PFOS. Through this rule, EPA intends address the most significant compliance challenges EPA has heard from public water systems and other stakeholders while still ensuring the long-term protection of the American people from PFAS-contaminated drinking water. Related to EPA-HQ-OW-2025-0654

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Co-filers (44)

See everyone who commented →

Natural Resources Defense Council (NRDC)THIS ORG
9 filings · confidence 97%
Environmental Protection Network (EPN)trade assoc.
2 filings · confidence 97%
Illinois Environmental Counciltrade assoc.
2 filings · confidence 85%
Alliance of Nurses for Healthy Environmentstrade assoc.
1 filing · confidence 85%
American Association for Justicetrade assoc.
1 filing · confidence 85%
American Association for Laboratory Accreditationtrade assoc.
1 filing · confidence 85%
American Chemistry Counciltrade assoc.
1 filing · confidence 97%
American Council of Engineering Companiestrade assoc.
1 filing · confidence 85%
American Public Works Associationtrade assoc.
1 filing · confidence 85%
American Water Works Associationtrade assoc.
1 filing · confidence 97%
and Ratepayers (POWER!) Coalitiontrade assoc.
1 filing · confidence 85%
Association of California Water Agenciestrade assoc.
1 filing · confidence 85%
Association of Metropolitan Water Agenciestrade assoc.
1 filing · confidence 97%
Association of Missouri Cleanwater Agenciestrade assoc.
1 filing · confidence 85%
Association of State Drinking Water Administratorstrade assoc.
1 filing · confidence 85%
AxNano Inc.unverified attribution
1 filing · confidence 70%
California Municipal Utilities Associationtrade assoc.
1 filing · confidence 85%
Climate Justice Alliancetrade assoc.
1 filing · confidence 85%
El Valle De La Cieneguilla Land Grant Associationtrade assoc.
1 filing · confidence 85%
Environmental Council of the Statestrade assoc.
1 filing · confidence 85%
Healing Our Waters - Great Lakes Coalitiontrade assoc.
1 filing · confidence 85%
Indian River Neighborhood Associationtrade assoc.
1 filing · confidence 85%
Ingevity Corporationunverified attribution
1 filing · confidence 70%
Institute of Hazardous Materials Managementtrade assoc.
1 filing · confidence 85%
International Society for Environmental Epidemiology North America Chaptertrade assoc.
1 filing · confidence 85%
Iota Intel LLCunverified attribution
1 filing · confidence 70%
Maine Organic Farmers and Gardeners Associationtrade assoc.
1 filing · confidence 85%
Missouri Public Utility Alliancetrade assoc.
1 filing · confidence 85%
National Association of Water Companiestrade assoc.
1 filing · confidence 85%
National Milk Producers Federationtrade assoc.
1 filing · confidence 97%
National Tribal Water Counciltrade assoc.
1 filing · confidence 85%
National Wildlife Federationtrade assoc.
1 filing · confidence 85%
New England Water Works Associationtrade assoc.
1 filing · confidence 85%
New York University School of Lawunverified attribution
1 filing · confidence 70%
Persistence Analytics Group LLCunverified attribution
1 filing · confidence 70%
PFAS Regulatory Coalitiontrade assoc.
1 filing · confidence 85%
Prairie Hills Audubon Societytrade assoc.
1 filing · confidence 85%
Rural Community Assistance Partnershiptrade assoc.
1 filing · confidence 85%
Silent Spring Institutetrade assoc.
1 filing · confidence 85%
Southeast Florida Utility Counciltrade assoc.
1 filing · confidence 85%
Steel Manufacturers Associationtrade assoc.
1 filing · confidence 85%
The LinkMind Foundationtrade assoc.
1 filing · confidence 85%
The Water Quality Associationtrade assoc.
1 filing · confidence 97%
U.S. Chamber of Commerce
1 filing · confidence 97%
Waterkeeper Alliancetrade assoc.
1 filing · confidence 85%