United States v. Navajo Tribal Utility Authority, No. 3:24-cv-08006 (D. Ariz. Jan. 9, 2024). Under a proposed partial consent decree, a settling CWA defendant that allegedly violated the limits and conditions established in its NPDES permits at three wastewater treatment facilities must improve the performance of its exiting treatment plants in the short term, construct new treatment plants over the longer term, improve its operation and maintenance of the facilities, and study its collection systems to identify defects and plan for their repair. 

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

EPA entered into a proposed settlement agreement under RCRA and CERCLA with St. Croix Petrochemical Corporation (SCPC), under which SCPC would transfer its remaining assets of approximately $1.7 million to help fund remediation of contamination caused by SCPC’s former Hovensa refinery in St. Croix, U.S. Virgin Islands. 

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.

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

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. 

EPA announced the release of and seeks comment on the Waste Reduction Model (WARM) version 16 and its supporting documentation. 

EPA proposed to promulgate an aquatic life designated use that includes propagation and protective water quality criteria for dissolved oxygen for Zone 3, Zone 4, and upper Zone 5 of the Delaware River. 

In re: Mallinckrodt PLC, No. 20-12522 (D. Del. Dec. 4, 2023). A proposed settlement agreement grants the United States an allowed unsecured claim against a settling CERCLA defendant on behalf of DOI in the amount of $56,880,784, and for EPA in the amount of $499,216, for past costs and future liability as a potential liable party at the Sangamo Electric Dump/Crab Orchard National Wildlife Refuge Site.