EPA Gives Michigan Counties Gold Star for Ozone Homework
Published Date: 12/11/2025
Proposed Rule
Summary
The EPA is giving a thumbs-up to Michigan’s plan to clean up the air in parts of Allegan, Berrien, and Muskegon counties by meeting ozone pollution goals set in 2015. This means updated pollution data and new car emissions limits are in play to keep the air healthier. Residents and drivers in these areas can expect cleaner air without new costs, but public comments are open until January 12, 2026.
Analyzed Economic Effects
4 provisions identified: 4 benefits, 0 costs, 0 mixed.
Clean-air plan for three Michigan counties
EPA is proposing to approve Michigan's plan to meet the 2015 ozone air quality standard in parts of Allegan County, Berrien County, and Muskegon County. The proposal approves updated emissions data and controls so residents and drivers in those areas can expect healthier air, and EPA states this action does not add new federal requirements or costs beyond State law.
2023 motor-vehicle emissions budgets approved
EPA is proposing approval of 2023 motor vehicle emissions budgets for the Allegan County, Berrien County, and Muskegon County areas for use in transportation conformity. The proposed 2023 mobile budgets are: Allegan NOX 1.15 tpd and VOC 0.70 tpd; Berrien NOX 2.98 tpd and VOC 1.85 tpd; Muskegon NOX 1.73 tpd and VOC 1.74 tpd.
No new federal costs for small businesses
EPA states this action merely approves State law as meeting Federal requirements and "does not impose additional requirements beyond those imposed by State law." EPA also certified the action as not having a significant economic impact on a substantial number of small entities under the Regulatory Flexibility Act.
On-road emissions fell 2017→2023
Michigan's submissions show on-road NOX and VOC emissions declined between 2017 and 2023 in the three areas. Examples from Table 4: Allegan NOX fell from 1.86 tpd to 0.96 tpd (−0.90) and VOC from 0.93 tpd to 0.67 tpd (−0.26); Berrien NOX fell from 5.05 tpd to 2.48 tpd (−2.57) and VOC from 2.66 tpd to 1.80 tpd (−0.86); Muskegon NOX fell from 2.93 tpd to 1.44 tpd (−1.49) and VOC from 2.26 tpd to 1.58 tpd (−0.68).
Your PRIA Score
Personalized for You
How does this regulation affect your finances?
Sign up for a PRIA Policy Scan to see your personalized alignment score for this federal register document and every other regulation we track. We analyze your financial profile against policy provisions to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-06275 — Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes
The EPA just set new rules for renewable fuels in 2026 and 2027, including how much biofuel must be used. They’re also easing the 2025 cellulosic biofuel goals because production fell short and dropping renewable electricity as a qualifying fuel. These changes affect fuel producers and sellers, kick in mostly by mid-2026, and aim to keep America’s fuel cleaner and greener without breaking the bank.
2026-05167 — National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review Reconsideration
The EPA is proposing changes to rules for sterilization facilities that use ethylene oxide, a chemical that can be harmful if not controlled. They want to remove some strict risk-based limits, fix technical mistakes, and update how facilities prove they’re following the rules. If you run or work with these facilities, get ready for new deadlines and clearer standards by mid-2026, which could affect how you manage emissions and compliance costs.
2026-04646 — Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and Five-Year Review
The EPA is updating pollution rules for big trash-burning plants to cut harmful emissions like lead, mercury, and dioxins. These changes affect both new and existing facilities, tighten limits, remove some loopholes, and improve reporting, all starting May 11, 2026. This update will help clean the air by reducing over 3,200 tons of pollution each year, making communities healthier and safer.
2025-21788 — Oil and Natural Gas Sector Climate Review: Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources
The EPA is giving oil and natural gas companies more time to meet new pollution control rules and report their emissions. Deadlines for fixing leaks, monitoring equipment, and submitting state plans are pushed back to help everyone get ready without rushing. These changes keep the climate goals on track while easing the financial and timing pressure on the industry.
2025-20402 — Updated Definition of “Waters of the United States”
The EPA and Army Corps are updating the rules that decide which waters are protected under the Clean Water Act, following a 2023 Supreme Court decision. This change helps everyone know exactly which waters are covered, making it easier to protect lakes, rivers, and wetlands while respecting state and tribal rights. People and businesses affected should share their thoughts by January 5, 2026, as this update could impact water projects and environmental protections.
2025-19882 — Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Data Reporting and Recordkeeping Under the Toxic Substances Control Act (TSCA); Revision to Regulation
The EPA is updating rules for companies that make or import PFAS chemicals, asking them to report certain info about these substances from 2011-2022. The changes add some smart exceptions to ease reporting on things companies probably don’t know, saving time and hassle. Comments on the proposal are open until late December 2025, so affected businesses should get ready to weigh in!
Previous / Next Documents
Previous: 2025-22596 — Raisins Produced From Grapes Grown in California; Secretary's Decision and Referendum Order on Proposed Amendments to Marketing Order No. 989
California raisin growers might see some big changes soon! The USDA is proposing to shrink the Raisin Administrative Committee, simplify how members are chosen, and update rules about raisin quality and marketing. Growers will vote on these changes in a referendum from January 12 to 30, 2026, so their voices really count—and these updates could shake up how raisins are handled and sold.
Next: 2025-22610 — Air Plan Approval; New Hampshire; Single Source VOC RACT Order for Hutchinson Sealing Systems
The EPA is proposing to approve a new air pollution control plan for Hutchinson Sealing Systems in New Hampshire. This update helps reduce smelly and harmful chemicals called VOCs from their operations. If you want to share your thoughts, make sure to comment by January 12, 2026—no extra costs or big changes for the company, just cleaner air!
Take It Personal
Get Your Personalized Policy View
Start a Free Government Policy Watch to see how policy affects your household, then upgrade to PRIA Full Coverage for year-round monitoring.
Already have an account? Sign in