NOAA announced the availability of final evaluation findings for seven national estuarine research reserves—Ashepoo-Combahee-Edisto Basin, Chesapeake Bay Virginia, Guana Tolomato Matanzas, San Francisco Bay, South Slough, Tijuana River, and Weeks Bay—under §315 of the CZMA.

The Natural Resources Conservation Service requested public input for the Service to use in refining the Mississippi River Basin Healthy Watershed Initiative (MRBI) and the National Water Quality Initiative (NWQI) to better protect and improve water quality, streamline and improve MRBI and NWQI to increase efficiencies and expand access for underserved communities and producers, and engage with partners to provide technical assistance for MRBI and NWQI implementation.

EPA Region 6 signed and issued the final NPDES general permit for discharges from hydrostatic testing of new and existing vessels in New Mexico, Oklahoma, and Indian country within the states of Texas, Oklahoma, New Mexico, and Louisiana.

EPA approved revisions to Nevada's state primacy program under the SDWA that adopted regulations that effectuate the federal Radionuclides Rule.

EPA approved revisions to Arizona's state primacy program under the SDWA that adopted regulations that effectuate the federal Revised Total Coliform Rule.

EPA entered into a proposed consent decree under the CWA and APA in Cape Fear River Watch v. United States Environmental Protection Agency, No. 1:22-cv-03809 (D.D.C.), in connection with its alleged failure to perform duties mandated by the CWA to revise the effluent limitations guidelines and promulgate pretreatment standards for the meat and poultry products industrial category.

The Bureau of Ocean Energy Management announced that it will open and publicly announce bids received for blocks offered in the Gulf of Mexico Regionwide Outer Continental Shelf Oil and Gas Lease Sale 259 as required by the Inflation Reduction Act of 2022.

EPA withdrew the direct final rule “NPDES Small MS4 Urbanized Area Clarification,” published on December 2, 2022, due to the receipt of an adverse comment.

EPA Region 1 announced the availability of the Draft NPDES Potable Water Treatment Facility General Permit for discharges to certain waters of the Commonwealth of Massachusetts and the state of New Hampshire.