Agencies › Environmental Protection Agency
Who's commenting on EPA rules
275 companies and organizations have filed 314 comment letters on 2 proposed rules from the Environmental Protection Agency (EPA). The most frequent commenter is Earthjustice. 20 rules are open for comment now.
- Comment letters
- 314
- Organizations
- 275
- Rules with letters
- 2
- Open for comment now
- 20
Open for comment now
- Air Plan Approval; OR; Lane County Title 36 Rule EPA-R10-OAR-2026-3763 · due November 2, 2026
- Approval of Implementation Plans for Air Quality Planning Purposes; State of Nevada; Truckee Meadows Second 10-Year Maintenance Plan for the 1987 PM-10 Standard EPA-R09-OAR-2025-1978 · due November 2, 2026
- Rescission of the Greenhouse Gas Findings for Fossil Fuel-Fired Power Plants and Repeal of Regulations for Power Plant Greenhouse Gas Emissions Under Clean Air Act Section 111 EPA-HQ-OAR-2025-0124 · due November 2, 2026
- Initial Air Quality Designations for the 2024 Revised Primary Annual Fine Particle (PM2.5) National Ambient Air Quality Standards (NAAQS) EPA-HQ-OAR-2024-0078 · due November 5, 2026
- Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; West Virginia; Negative Declarations for Existing Large Municipal Waste Combustors and Other Solid Waste Incinerators EPA-R03-OAR-2026-6205 · due November 6, 2026
- Air Quality Plan; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits-Rule 204 EPA-R09-OAR-2026-4654 · due November 9, 2026
- Wisconsin: Approval of State Coal Combustion Residuals Permit Program EPA-HQ-OLEM-2026-4324 · due November 10, 2026
- National Emission Standards for Hazardous Air Pollutants for Gasoline Distribution Facilities and Standards of Performance for Bulk Gasoline Terminals Reconsideration EPA-HQ-OAR-2025-0302 · due November 12, 2026
- Trichloroethylene (TCE); Regulation Under the Toxic Substances Control Act (TSCA); Compliance Date Extensions EPA-HQ-OPPT-2026-7327 · due November 13, 2026
- Indiana: Approval of State Coal Combustion Residuals Permit Program EPA-HQ-OLEM-2026-4326 · due November 16, 2026
- Air Quality Plan; Arizona; Agricultural Best Management Practices Rules for the West Pinal County PM10 Nonattainment Area EPA-R09-OAR-2024-0600 · due November 18, 2026
- Air Quality Plan; Arizona; Pinal County Air Quality Control District; West Pinal County PM10 Nonattainment Area; Fugitive Dust Rules EPA-R09-OAR-2026-5581 · due November 18, 2026
- Approval and Promulgation of Implementation Plans-Pinal County (Part); West Pinal, AZ PM10 Nonattainment Area; Moderate Area, Serious Area, and Section 189(d) Plan for Attainment of the 24-Hour PM10 Standard EPA-R09-OAR-2026-5119 · due November 18, 2026
- New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State EPA-R10-OAR-2026-4291 · due November 18, 2026
- Additional Reconsideration Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review EPA-HQ-OAR-2025-0163 · due November 30, 2026
- Air Plan Approval and Air Quality Designation; TN; Attainment Plan and Redesignation of the Sullivan County Nonattainment Area for the 2010 1-Hour Primary SO2 NAAQS EPA-R04-OAR-2026-0034 · due November 30, 2026
- Air Plan Approval; California; Reasonable Further Progress Plan for the Coachella Valley Ozone Nonattainment Area EPA-R09-OAR-2026-7129 · due November 30, 2026
- Renewable Fuel Standard (RFS) Program: Reallocation of Additional 2025 Small Refinery Exemptions EPA-HQ-OAR-2024-0505 · due December 4, 2026
- Utah Underground Injection Control Program; Class VI Primacy EPA-HQ-OW-2026-0496 · due December 7, 2026
- Alaska Underground Injection Control (UIC) Program; Class VI Primacy EPA-HQ-OW-2026-4588 · due December 14, 2026
Who comments most on EPA rules
- Earthjustice · 7 letters on 1 rule · Environment & Conservation
- National Association of Flood and Stormwater Management Agencies (NAFSMA) · 4 letters on 1 rule · Government & Tribes
- National Ready Mixed Concrete Association (NRMCA) · 3 letters on 1 rule · Real Estate & Construction
- National Tribal Water Council (NTWC) · 3 letters on 1 rule · Government & Tribes
- Waters Advocacy Coalition (WAC) · 3 letters on 1 rule · Environment & Conservation
- American Farm Bureau Federation (AFBF) · 2 letters on 1 rule · Agriculture & Food
- American Public Power Association (APPA) · 2 letters on 1 rule · Energy, Mining & Utilities
- American Water Works Association (AWWA) · 2 letters on 1 rule · Energy, Mining & Utilities
- Associated General Contractors of America (AGC) · 2 letters on 1 rule · Real Estate & Construction
- California Farm Bureau · 2 letters on 1 rule · Agriculture & Food
- Georgia Chamber of Commerce · 2 letters on 1 rule · Business Groups & Chambers
- Golf Course Superintendents Association of America · 2 letters on 1 rule · Retail, Hospitality & Consumer
- Illinois Farm Bureau (IFB) · 2 letters on 1 rule · Agriculture & Food
- Iowa Farm Bureau Federation (IFBF) · 2 letters on 1 rule · Agriculture & Food
- Martin Marietta Inc. · 2 letters on 1 rule · Energy, Mining & Utilities
- Maryland Building Industry Association (MBIA) · 2 letters on 1 rule · Real Estate & Construction
- Mosaic Fertilizer, LLC, and Mosaic Potash Carlsbad, Inc. · 2 letters on 1 rule · Agriculture & Food
- National Association of Clean Water Agencies (NACWA) · 2 letters on 1 rule · Government & Tribes
- National Association of Home Builders (NAHB) · 2 letters on 1 rule · Real Estate & Construction
- National Association of State Departments of Agriculture (NASDA) · 2 letters on 1 rule · Government & Tribes
- National Federation of Independent Business (NFIB) · 2 letters on 1 rule · Business Groups & Chambers
- National Mining Association (NMA) · 2 letters on 1 rule · Energy, Mining & Utilities
- National Rural Water Association (NRWA) · 2 letters on 1 rule · Energy, Mining & Utilities
- National Stone, Sand and Gravel Association (NSSGA) · 2 letters on 1 rule · Energy, Mining & Utilities
- Portland Cement Association (PCA) · 2 letters on 1 rule · Energy, Mining & Utilities
- Realtors Land Institute (RLI) · 2 letters on 1 rule · Real Estate & Construction
- Rocking X Land Company Ltd. · 2 letters on 1 rule · Real Estate & Construction
- The Fertilizer Institute (TFI) · 2 letters on 1 rule · Agriculture & Food
- The Petroleum Alliance of Oklahoma · 2 letters on 1 rule · Energy, Mining & Utilities
- Advocate Aurora Health · 1 letter on 1 rule · Healthcare
Letters by industry
Agriculture & Food 96 Government & Tribes 55 Environment & Conservation 52 Energy, Mining & Utilities 49 Real Estate & Construction 22 Business Groups & Chambers 10 Advocacy & Nonprofits 7 Manufacturing & Chemicals 7 Transportation & Logistics 5 Other 4 Retail, Hospitality & Consumer 3 Education 1 Law, Accounting & Consulting 1 Investment & Securities 1 Healthcare 1
Letters by year
Rules and how many letters each drew
- Regulation for Federal Financial Assistance OMB-2026-0034 · 1 letter
- Revised Definition of “Waters of the United States” EPA-HQ-OW-2021-0602 · 313 letters Final rule 2023
