# 2025-12527: EPA Greenlights West Virginia's Regional Haze Reduction Plan

2025-12527, Air Plan Approval; West Virginia; Regional Haze State Implementation Plan for the Second Implementation Period, is a Federal Register rule from Environmental Protection Agency published 2025-07-07, effective The changes kick in now, helping West Virginia meet clean air goals without extra costs for businesses. (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-12527
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-12527
- Title: Air Plan Approval; West Virginia; Regional Haze State Implementation Plan for the Second Implementation Period
- Type: Rule
- Agencies: Environmental Protection Agency
- Citation: 90 FR 29737
- Published: 2025-07-07
- Effective: The changes kick in now, helping West Virginia meet clean air goals without extra costs for businesses.
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

EPA Greenlights West Virginia's Regional Haze Reduction Plan

## Summary

The EPA is giving a thumbs-up to West Virginia’s updated plan to clear up the air and reduce haze in the state’s skies. This plan affects local communities and industries by setting new pollution rules to keep the air cleaner through the next few years. The changes kick in now, helping West Virginia meet clean air goals without extra costs for businesses.

## Abstract

The Environmental Protection Agency (EPA) is approving the regional haze State implementation plan (SIP) revision submitted by West Virginia (West Virginia, WV, or the State) on August 12, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is taking this action pursuant to the CAA.

## Effects PRIA read

- EPA Approves West Virginia Haze Plan: benefit, medium. If you live or work in West Virginia, the EPA approved the State’s regional haze plan revision that West Virginia submitted on August 12, 2022, to meet Clean Air Act requirements for the program’s second implementation period. This approval sets new pollution rules to keep the air cleaner in local…
- Approval Says No Extra Business Costs: benefit, low. The EPA’s approval says West Virginia’s revised plan helps meet clean-air goals without imposing extra costs on businesses. If you run or work for a business in West Virginia, the action is presented as not adding new compliance costs.

## 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
- [2025-12527 on federalregister.gov](https://www.federalregister.gov/documents/2025/07/07/2025-12527/air-plan-approval-west-virginia-regional-haze-state-implementation-plan-for-the-second)
- [2025-12527 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-07-07/pdf/2025-12527.pdf)

## Related
- [Previous: 2025-12512, Air Plan Approval; Ohio; Moderate Attainment Plan Elements for the Cleveland Ar…](https://policyrisk.com/federal-register/2025-12512)
- [Next: 2025-12533, Air Plan Approval; Louisiana; Interstate Transport Requirements for the 2010 SO…](https://policyrisk.com/federal-register/2025-12533)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2025-12527 (as of 2026-06-08).