EPA

Air Plan Approval; AK; Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) has approved Alaska's State Implementation Plan for the second implementation period concerning regional haze. This final rule is effective April 2, 2026. It pertains to air quality regulations under 40 CFR 52.

EPA Extends Comment Period for Ozone NAAQS Rule

The Environmental Protection Agency (EPA) has extended the public comment period for the proposed rule regarding the Interstate Transport Plan Review for the 2015 Ozone National Ambient Air Quality Standards (NAAQS). The comment period, originally set to end, has been extended by 20 days.

Illinois EPA Offers $1.5M for Water Supply Energy Upgrades

The Illinois EPA is offering up to $1.5 million in grant funding for energy efficiency upgrades at public water supply facilities. Projects will range from $50,000 to $500,000, with applications due by May 4, 2026. This program is funded through the U.S. Department of Energy's Infrastructure Investment and Jobs Act.

EPA Removes Reformulated Gasoline Program from Kentucky Portion of Louisville Area

The Environmental Protection Agency (EPA) has finalized the removal of the federal reformulated gasoline (RFG) program from the Kentucky portion of the Louisville metropolitan area. This rule is effective May 27, 2026, allowing Kentucky to opt out of the RFG requirements for this specific region.

Illinois EPA Funding for Emerging Contaminants in Drinking Water

The Illinois EPA announced over $40 million in grant funding for small or disadvantaged communities to address emerging contaminants like PFAS and Manganese in drinking water. Applications are due by August 31, 2026, with a maximum award of $15 million per applicant.

Illinois EPA Issues Health Advisory for 6:2 FTS in Groundwater

The Illinois EPA has issued a health advisory for 6:2 Fluorotelomer Sulfonic Acid (6:2 FTS) in groundwater, based on sampling of community water supplies. This advisory provides a guidance level for the chemical, which lacks a specific groundwater standard, and supplements existing PFAS advisories.

Illinois EPA Notifies Dupo Water System of PFOS Detection

The Illinois EPA has notified the Village of Dupo Community Water System that recent sampling detected PFOS at 4.5 parts per trillion, exceeding the federal MCL and state groundwater quality standard of 4 ppt. The notice triggers Right-to-Know requirements for the water system to inform its customers of the detection and potential exposure risks.

Illinois EPA Notifies Elburn Water System of PFOA Detection

The Illinois EPA has notified the Elburn Community Water System that PFOA was detected in groundwater samples at levels exceeding federal and state standards. The notice triggers Right-to-Know requirements for the water system to inform its customers about the detection and potential exposure risks.

Illinois EPA Offers $7M for Wastewater Resilience Grants

The Illinois EPA is offering $7 million in grant funding through the Resilient Energy for Wastewater Infrastructure (REWI) Grant Program. Publicly owned wastewater treatment plants can apply for awards ranging from $200,000 to $2,000,000 to enhance energy resilience with solar energy systems and battery storage. The application period closes on April 30, 2026.

EPA Proposes Ohio SIP Approval for VOC/NOX RACT

The Environmental Protection Agency (EPA) has proposed approval of Ohio's State Implementation Plan (SIP) revisions concerning Volatile Organic Compounds (VOC) and Nitrogen Oxides (NOx) Reasonably Available Control Technology (RACT). This proposal includes source-specific RACT requirements and SIP strengthening measures for Ohio.