Federal rules by agency
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Federal rules by agency
Agencies carry out laws by writing rules. Final rules have the force of law; proposed rules are open for public comment first. Counts and lists come from the Federal Register.
Environmental Protection Agency: Newest final rules (181)
The newest 2,000 final rules published from 2026-03-25 to 2026-11-16; older rules: not collected here, see the Federal Register.
- Air Plan Partial Approval and Partial Conditional Approval; South Carolina; Minor Source Permit Program Revisions and Control of Oxides of Nitrogen and Source Testing Requirements
2026-11-16 · Environmental Protection Agency · effective 2026-12-16 · 2026-23219 - Air Plan Approval; Utah; Update to Materials Incorporated by Reference
2026-11-13 · Environmental Protection Agency · effective 2026-11-13 · 2026-23121 - Ethephon; Pesticide Tolerances
2026-11-13 · Environmental Protection Agency · effective 2026-11-13 · 2026-23120 - Isocycloseram; Pesticide Tolerance for Emergency Exemption
2026-11-13 · Environmental Protection Agency · effective 2026-11-13 · 2026-23115 - Modification of Significant New Uses of Certain Chemical Substances (23-1.M)
2026-11-10 · Environmental Protection Agency · effective 2027-01-11 · 2026-22888 - Air Plan Approval; Michigan; Determination of Attainment by the Attainment Date for the 2015 Ozone Standards
2026-11-10 · Environmental Protection Agency · effective 2026-11-10 · 2026-22887 - National Emission Standards for Hazardous Air Pollutants: Polyvinyl Chloride and Copolymer Production Reconsideration; New Major Source Process Wastewater Standards
2026-11-09 · Environmental Protection Agency · effective 2026-11-09 · 2026-22788 - Air Plan Approval; California; Revised Format for Materials Incorporated by Reference
2026-11-06 · Environmental Protection Agency · effective 2026-11-06 · 2026-22671 - Air Plan Revisions; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits
2026-11-05 · Environmental Protection Agency · effective 2026-12-07 · 2026-22647 - Approval and Promulgation of State Plans for Designated Facilities and Pollutants; West Virginia; Control of Emissions From Existing Municipal Solid Waste Landfills
2026-11-05 · Environmental Protection Agency · effective 2026-12-07 · 2026-22584 - Significant New Use Rules on Certain Chemical Substances (25-3.5e)
2026-11-05 · Environmental Protection Agency · effective 2027-01-04 · 2026-22576 - National Emission Standards for Hazardous Air Pollutants: Lime Manufacturing Plants Technology Review; Correction
2026-11-03 · Environmental Protection Agency · effective 2026-11-03 · 2026-22404 - Dimethyl Sulfoxide in Pesticide Formulations; Exemptions From the Requirement of a Tolerance
2026-10-30 · Environmental Protection Agency · effective 2026-10-30 · 2026-22176 - Voluntary Consensus Standards Update; Formaldehyde Emission Standards for Composite Wood Products
2026-10-28 · Environmental Protection Agency · effective 2026-11-27 · 2026-21963 - Virginia: Approval of State Coal Combustion Residuals Permit Program
2026-10-22 · Environmental Protection Agency · effective 2026-11-23 · 2026-21622 - Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program
2026-10-22 · Environmental Protection Agency · effective 2026-12-21 · 2026-21603 - Approval and Promulgation of Implementation Plans; Arizona; Revisions to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs
2026-10-19 · Environmental Protection Agency · effective 2026-11-18 · 2026-21268 - Significant New Use Rules on Certain Chemical Substances (24-5.5e); Correction
2026-10-15 · Environmental Protection Agency · effective 2026-10-26 · 2026-21052 - Significant New Use Rules on Certain Chemical Substances (26-1)
2026-10-15 · Environmental Protection Agency · effective 2026-12-14 · 2026-21051 - Extending the Reporting Deadline Under the Greenhouse Gas Reporting Rule for Reporting Year 2025 to March 10, 2027
2026-10-14 · Environmental Protection Agency · effective 2026-10-14 · 2026-20982 - Clean Water Act Hazardous Substance Facility Response Plans: Compliance Date Delay and Changes To Reflect Administration Policy
2026-10-13 · Environmental Protection Agency · effective 2026-12-14 · 2026-20849 - Colorado Underground Injection Control (UIC) Program; Class VI Primacy
2026-10-13 · Environmental Protection Agency · effective 2026-11-12 · 2026-20846 - Air Plan Approval; Michigan; Clean Data Determination for the Berrien, MI and Muskegon, MI Areas for the 2015 Ozone Standards
2026-10-09 · Environmental Protection Agency · effective 2026-10-09 · 2026-20736 - Air Plan Approval; Kentucky; Louisville Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20641 - Air Plan Approval; Oklahoma; Interstate Transport Requirements for the 2010 SO2 NAAQS
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20640 - Approval and Promulgation of State Implementation Plans; New Jersey; RACT Certifications for the 2008 and 2015 Ozone National Ambient Air Quality Standards
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20638 - Air Plan Approval; GA; Removal of Nonattainment Area New Source Review
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20636 - Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste Combustors
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20635 - Air Plan Approval; Missouri; Construction Permit Exemptions
2026-10-08 · Environmental Protection Agency · effective 2026-11-09 · 2026-20634 - Phosphatidylcholine in Pesticide Formulations; Exemption From the Requirement for a Tolerance
2026-10-02 · Environmental Protection Agency · effective 2026-10-02 · 2026-20219 - Administration of Cross-State Air Pollution Rule Trading Program Assurance Provisions for 2025 Control Period
2026-10-01 · Environmental Protection Agency · 2026-20191 - Attainment Date Extension for the South Coast, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area
2026-10-01 · Environmental Protection Agency · effective 2026-11-02 · 2026-20097 - Air Plan Approval; Missouri; Control of NOX Emissions From Large Stationary Internal Combustion Engines
2026-10-01 · Environmental Protection Agency · effective 2026-11-02 · 2026-20096 - Rescission of Title V Emergency Affirmative Defense Rule; Corrections
2026-09-29 · Environmental Protection Agency · effective 2026-09-29 · 2026-19889 - Sodium Salt of Acifluorfen; Pesticide Tolerance
2026-09-29 · Environmental Protection Agency · effective 2026-09-29 · 2026-19884 - Marine Protection: Modification To Expand Ocean Dredged Material Disposal Sites Offshore of Corpus Christi, Texas
2026-09-28 · Environmental Protection Agency · effective 2026-10-28 · 2026-19745 - Clarifying the Scope of “Applicable Requirements” Under State Operating Permit Programs and the Federal Operating Permit Program
2026-09-25 · Environmental Protection Agency · effective 2026-10-26 · 2026-19671 - Air Plan Approval; Kentucky; Campbell-Clermont Area Maintenance Plan for the 2010 1-Hour SO2 NAAQS
2026-09-25 · Environmental Protection Agency · effective 2026-11-24 · 2026-19668 - Air Plan Approval; Alabama; Transportation Conformity
2026-09-24 · Environmental Protection Agency · effective 2026-10-26 · 2026-19566 - Partial Repeal of the Carbon Pollution Standards for Fossil Fuel-Fired Electric Generating Units
2026-09-17 · Environmental Protection Agency · significant · effective 2026-11-16 · 2026-19071 - Bacillus amyloliquefaciens strain AT-332; Exemption From the Requirement of a Pesticide Tolerance
2026-09-15 · Environmental Protection Agency · effective 2026-09-15 · 2026-18830 - Approval and Promulgation of Implementation Plans; California; San Joaquin Valley, Revisions to Motor Vehicle Emissions Budgets for Ozone
2026-09-14 · Environmental Protection Agency · effective 2026-10-14 · 2026-18748 - Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard
2026-09-09 · Environmental Protection Agency · effective 2026-10-09 · 2026-18334 - Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQS
2026-09-09 · Environmental Protection Agency · effective 2026-10-09 · 2026-18324 - Renewable Fuel Standard (RFS) Program: Extension of 2025 Compliance Reporting Deadline
2026-09-04 · Environmental Protection Agency · effective 2026-09-04 · 2026-18132 - Alpha-d-Glucopyranoside, Beta-d-Fructofuranosyl, Mixed Palmitates and Stearates in Pesticide Formulations; Exemption From the Requirement of a Tolerance
2026-08-28 · Environmental Protection Agency · effective 2026-08-28 · 2026-17579 - Air Plan Approval; Arkansas; Regional Haze State Implementation Plan for the Second Implementation Period
2026-08-27 · Environmental Protection Agency · effective 2026-09-28 · 2026-17494 - Air Plan Approval; FL; Emissions Reporting Requirements and Permitting Forms
2026-08-27 · Environmental Protection Agency · effective 2026-09-28 · 2026-17490 - Air Plan Approval; Michigan; 2015 Ozone Moderate Reasonably Available Control Technology
2026-08-27 · Environmental Protection Agency · effective 2026-09-28 · 2026-17486 - Florida: Final Authorization of State Hazardous Waste Management Program Revisions
2026-08-27 · Environmental Protection Agency · effective 2026-05-26 · 2026-17454
Rules by agency
Showing 40 of 175. Show all 175
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Source: Federal Register API (Office of the Federal Register, National Archives). Collected Nov 14, 2026 11:45 PM CST.