EPA proposed to revise the technology-based effluent limitations guidelines and standards for the meat and poultry products point source category. 

United States v. Ohio Refining Co., No. 3:24-cv-00039 (N.D. Ohio Jan. 8, 2024). Under five proposed consent decrees, settling CERCLA, CWA, and OPA defendants that released hazardous substances and oil at the Duck & Otter Creeks NRDA Site near Toledo, Ohio, must collectively pay $7,225,909 in natural resource damages (NRD) and $903,239 as reimbursement for NRD assessment costs incurred by DOI.

EPA Region 10 reissued the NPDES general permit for federal aquaculture facilities and aquaculture facilities located in Indian country in Washington.

FWS initiated five-year status reviews under the ESA for the Aleutian shield fern and the Alaska breeding population of Steller’s eider. 

FWS initiated five-year status reviews under the ESA for five northeastern species. 

EPA approved revisions to Louisiana's SDWA §1422 Underground Injection Control Program to include Class VI injection well primary enforcement responsibility. 

FWS initiated five-year status reviews under the ESA for three plant and 13 animal species. 

United States v. New Hampshire, No. 1:18-cv-00996-PB. Under a proposed modified consent decree, a settling CWA defendant that allegedly violated an NPDES permit by exceeding its discharge limits for total phosphorus and pH, which contributed to contamination, eutrophication, and the growth of toxic cyanobacteria in the Merrymeeting River must achieve compliance with the CWA and its permit by the end of 2025. 

NMFS prohibited the retention and possession of oceanic whitetip sharks in U.S. waters of the Atlantic Ocean, including the Gulf of Mexico and Caribbean Sea, and hammerhead sharks in U.S. waters of the Caribbean Sea. 

NMFS designated approximately 2,384.67 square kilometers of aquatic habitat located off the coasts of southeastern Florida, Puerto Rico, Navassa, and the U.S. Virgin Islands as critical habitat for the threatened Nassau grouper pursuant to §4 of the ESA.