EPAFinal Rule

Air Quality State Implementation Plans; Approvals and Promulgations: Washington; Regional Haze State Implementation Plan for the Second Implementation Period

EnvironmentEnergyHealthcare

Summary

The EPA approved Washington State's plan to reduce air pollution and improve visibility in scenic areas like national parks and mountains over the next decade. This regulation sets specific targets for industries and sources to cut harmful emissions that create haze and reduce how far people can see outdoors.

Key Points

  • 1Washington State must reduce emissions that cause haze at scenic areas, with progress checked in 2028 and final goals due by 2034
  • 2The plan focuses on controlling pollution from power plants, industrial facilities, and other sources that affect air clarity in protected regions
  • 3Industries will need to invest in cleaner equipment and technologies to meet the emission reduction requirements
  • 4The regulation helps protect public health by improving air quality while making popular outdoor destinations clearer to view
  • 5This is the second phase of a long-term EPA program, building on earlier emission reduction efforts in Washington

Impact Assessment

If you are a Manufacturer or Energy Company, this means you must implement emission control measures over the next decade to reduce air pollution and haze, which will require capital investments and operational changes to meet state-specific reduction targets.

Impact Level
Significant
Geographic Scope

State-specific

Compliance Cost

Significant

Who is Affected
ManufacturersEnergy CompaniesState GovernmentsSmall Businesses

Key Dates

Published

September 25, 2025

Regulatory Connections

Amends CFR Sections
40 CFR Part 5140 CFR Part 70

This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.