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. 

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.

DOE gave notice that the Environmental Management Advisory Board will be renewed for a two-year period beginning January 12, 2024.

EPA finalized a significant new use rule for 329 per- and polyfluoroalkyl substances that are designated as inactive on the TSCA Chemical Substance Inventory.

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

DOE announced the availability of final guidance setting forth the nonbinding process that the agency plans to generally follow to designate National Interest Electric Transmission Corridors pursuant to the Federal Power Act.

EPA released a decision framework for use by the Office of Pollution Prevention and Toxics New Chemicals Division for identification of eye irritation or corrosion hazards for new chemical substances based on prioritization of reproducible, human-relevant data. 

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.