EPAProposed Rule

Proposed approval of the Muskingum River Ohio 2010 Sulfur Dioxide Redesignation and Maintenance Plan

EnvironmentEnergy

Summary

The EPA is proposing to officially recognize that the Muskingum River area in Ohio has met federal air quality standards for sulfur dioxide pollution and can maintain those standards going forward. This means the region can transition away from strict pollution controls, though it must still monitor air quality and follow a plan to keep pollution at safe levels.

Key Points

  • 1The Muskingum River region in Ohio is being proposed for 'redesignation,' meaning the EPA believes air quality has improved enough to no longer classify it as a polluted area
  • 2A maintenance plan has been developed to ensure sulfur dioxide pollution stays at safe levels for the next 10 years
  • 3Sulfur dioxide is a harmful pollutant that comes mainly from power plants and industrial facilities and can cause breathing problems
  • 4The public has until November 4, 2025 to submit comments on this proposal before the EPA makes a final decision
  • 5If approved, this would reduce some pollution control requirements for businesses in the area while still protecting public health through ongoing monitoring

Key Dates

Published

October 2, 2025

Comment Deadline

November 4, 2025

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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.

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