US HB6422

Extends authorization for the Great Lakes Restoration Initiative through fiscal year 2031, the Long Island Sound program through 2031, and the Columbia River Basin Restoration program through 2031

Adds Mississippi Sound, Mississippi to the National Estuary Program and extends program authorization through fiscal year 2031, with restrictions preventing use of FY2026 funds and limiting FY2027 funds for the new Mississippi Sound designation

Modifies the San Francisco Bay Restoration Program to expand eligible funding recipients to include Federal agencies and private entities, caps federal funding at 75% of project costs, and requires non-federal entities to provide at least 25% cost-share

Reauthorizes the Coastal Recreation Water Quality Monitoring program for fiscal years 2026-2031 and allows grant funds to be used for identifying specific sources of beach water contamination

Prohibits federal funds from these programs from going to entities domiciled in or conducting projects with foreign countries of concern, and requires GAO to report within 2 years on the efficiency, effectiveness, and accountability of 11 EPA geographic programs