EPA Backs New Clean Air Rules for California's San Joaquin Valley
Published Date: 9/12/2025
Proposed Rule
Summary
The EPA wants to approve a new air pollution rule for California’s San Joaquin Valley to help meet clean air goals. This change affects local businesses and residents by updating how pollution limits are enforced, with no new costs expected right now. The EPA is asking for public feedback before making the final decision.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
San Joaquin Valley enforcement update
If you live in the San Joaquin Valley, the EPA is proposing to approve a change to the local air pollution rule that updates how pollution limits are enforced under Clean Air Act section 185 for the revoked 1997 8‑hour ozone standard. The change is intended to help meet clean air goals and the EPA is taking public comments before finalizing the decision.
No new costs expected for local businesses
If you run a business in the San Joaquin Valley, the EPA proposes approving a local rule revision that updates enforcement of pollution limits under the Clean Air Act, and the EPA says no new costs are expected at this time. The proposal was submitted as an equivalent alternative to a statutory section 185 program for the revoked 1997 8‑hour ozone standard.
Personalized for You
How does this regulation affect your finances?
Personalize government policy and PRIA will tell you what this federal register document means for your household, plus every other regulation we track. PRIA reads each provision against your financial profile to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-13667, Minor New Source Review Program Air Permitting Public Participation Requirements for State Implementation Plans
The EPA wants to give states more freedom to decide how much public input is needed when approving small air pollution sources or changes. This means local air agencies can tailor public participation to fit their community’s needs while still protecting air quality. If you’re involved in air permits, watch for comment deadlines and possible virtual hearings this summer!
2026-13263, Revisions To Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems
The EPA is rolling out the sixth Unregulated Contaminant Monitoring Rule (UCMR 6) to check for new, sneaky chemicals in public drinking water. Big water systems serving 3,300+ people and some smaller ones will test for 30 different contaminants, including certain PFAS and pesticides, to keep our water safe. Comments and feedback are open until late August 2026, and the EPA will host fun online meetings to chat about the plan!
2026-12927, U.S. Ecology Nevada, Inc. High Mercury Subcategory Wastes Land Disposal Restrictions Variance
The EPA is giving U.S. Ecology Nevada a special green light to handle and dispose of high-mercury waste a bit differently than usual. This means mercury waste treated in Pennsylvania can now be safely sent to U.S. Ecology’s Nevada site for disposal under new rules starting July 27, 2026. This change helps protect people and the environment while keeping mercury waste management efficient and cost-effective.
2026-11047, National Emission Standards for Hazardous Air Pollutants From Hazardous Waste Combustors: Residual Risk and Technology Review
The EPA just updated rules for places that burn hazardous waste, like incinerators and boilers, to keep the air safe and clean. They confirmed current standards work well but added new limits on harmful gases like hydrogen fluoride and hydrogen cyanide. These changes start June 3, 2026, and include easier electronic reporting and some new rules for startup and shutdown times—helping protect health without big costs.
2026-10641, Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Federal CCR Permit Program; Reopening of Comment Period
The EPA is reopening the comment period until June 29, 2026, for its proposed rule to create a federal permit program for safely disposing of coal ash from power plants. This affects electric utilities that handle coal waste and aims to improve environmental safety while possibly impacting their costs. Now’s the time for everyone to share their thoughts and help shape the rules!
2026-10387, Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020
The EPA is updating rules to phase down hydrofluorocarbons (HFCs), chemicals used in cooling systems like refrigerators and air conditioners. These changes affect businesses in refrigeration, supermarkets, semiconductor manufacturing, and more, allowing some older equipment made before 2025 to keep running. The new rules kick in on July 27, 2026, helping industries transition smoothly while cutting harmful emissions.
Previous / Next Documents
Previous: 2025-17555, Operational Resilience Framework for Futures Commission Merchants, Swap Dealers, and Major Swap Participants; Withdrawal of Proposed Regulatory Action
The Commodity Futures Trading Commission is hitting pause and withdrawing its plan to create new rules for futures commission merchants, swap dealers, and major swap participants. No new rules are coming right now, so these businesses can keep doing their thing without changes or extra costs—for now. If the Commission wants to try again later, they’ll let everyone know with fresh proposals.
Next: 2025-17659, Manifest Mailing System Retired
The Postal Service is retiring the old Manifest Mailing System (MMS), which means mailers will need to switch to newer ways to send their bulk mail. This change affects businesses and organizations that use MMS to handle large mailings. The update will happen soon, so get ready to save time and avoid any extra costs by moving to the new system.