# 2025-12599: EPA Approves Oklahoma's Plan to Curb Landfill Emissions

2025-12599, Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Oklahoma; Control of Emissions From Existing Municipal Solid Waste Landfills, is a Federal Register rule from Environmental Protection Agency published 2025-07-07 (as of 2026-06-11).

- Canonical: https://policyrisk.com/federal-register/2025-12599
- As of: 2026-06-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-12599
- Title: Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Oklahoma; Control of Emissions From Existing Municipal Solid Waste Landfills
- Type: Rule
- Agencies: Environmental Protection Agency
- Citation: 90 FR 29749
- Published: 2025-07-07
- Effective: unknown
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-11

## In one line

EPA Approves Oklahoma's Plan to Curb Landfill Emissions

## Summary

The EPA is giving a thumbs-up to Oklahoma’s plan to control pollution from trash landfills. This means landfill operators in Oklahoma need to follow new rules to cut down harmful gas emissions, helping keep the air cleaner. These changes kick in soon and could affect how landfills manage their waste, but they’re designed to protect health without breaking the bank.

## Abstract

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving the CAA section 111(d) state plan submitted by the State of Oklahoma for sources subject to the Municipal Solid Waste (MSW) Landfills Emission Guidelines (EG). The Oklahoma MSW landfills plan was submitted to fulfill the state's obligations under CAA section 111(d) to implement and enforce the requirements under the MSW Landfills EG. The EPA is approving the state plan and amending the agency regulations in accordance with the requirements of the CAA.

## Effects PRIA read

- Oklahoma landfills must meet emission rules: cost, medium. If you operate a municipal solid waste landfill in Oklahoma, the EPA approved Oklahoma’s state plan requiring those landfills to implement and enforce the Municipal Solid Waste (MSW) Landfills Emission Guidelines. That means landfill operators in Oklahoma must follow the state rules that implement…
- Approval aims to reduce landfill air pollution: benefit, low. If you live in Oklahoma, the EPA’s approval means existing municipal solid waste landfills must follow the MSW Landfills Emission Guidelines to cut harmful gas emissions. This action is intended to help keep the air cleaner and protect public health in areas near those landfills.

## Related documents

- [2026-19071](https://policyrisk.com/federal-register/2026-19071): Partial Repeal of the Carbon Pollution Standards for Fossil Fuel-Fired Electric Generating Units, 2026-09-17
- [2026-19072](https://policyrisk.com/federal-register/2026-19072): Rescission of the Greenhouse Gas Findings for Fossil Fuel-Fired Power Plants and Repeal of Regulations for Power Plant Greenhouse Gas Emiss…, 2026-09-17
- [2026-18317](https://policyrisk.com/federal-register/2026-18317): Updated Definition of “Waters of the United States”, 2026-09-09
- [2026-14112](https://policyrisk.com/federal-register/2026-14112): Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions fo…, 2026-07-14
- [2026-13667](https://policyrisk.com/federal-register/2026-13667): Minor New Source Review Program Air Permitting Public Participation Requirements for State Implementation Plans, 2026-07-07
- [2026-13263](https://policyrisk.com/federal-register/2026-13263): Revisions To Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems, 2026-07-01

## Sources
- [2025-12599 on federalregister.gov](https://www.federalregister.gov/documents/2025/07/07/2025-12599/approval-and-promulgation-of-state-air-quality-plans-for-designated-facilities-and-pollutants)
- [2025-12599 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-07-07/pdf/2025-12599.pdf)

## Related
- [Previous: 2025-12586, Air Plan Approval; California; Revised Format for Nonregulatory Provisions](https://policyrisk.com/federal-register/2025-12586)
- [Next: 2025-12600, Atlantic Highly Migratory Species; Atlantic Bluefin Tuna Fisheries; Closure of…](https://policyrisk.com/federal-register/2025-12600)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2025-12599 (as of 2026-06-11).