EPA announced a 60-day public comment period associated with release of the draft IRIS Toxicological Review of Perfluorononanoic Acid and Related Salts. 

EPA Region 4 reissued the NPDES general permit for existing and new sources and new dischargers in the offshore subcategory of the oil and gas extraction point source category located and discharging to the outer continental shelf of the eastern Gulf of Mexico.

NOAA proposed to designate marine portions of Papahānaumokuākea Marine National Monument in the Pacific Ocean waters surrounding the Northwest Hawaiian Islands as Papahānaumokuākea National Marine Sanctuary. 

EPA proposed to remove polytetrafluoroethylene from the current list of inert ingredients approved for use in food use and nonfood use pesticide products because it has been identified as a per- and polyfluoroalkyl substance that is no longer used in any registered pesticide product.

The National Science Foundation seeks input to inform the development of an implementation plan to advance a key recommendation of the Ocean Climate Action Plan regarding marine carbon dioxide removal research.

EPA amended the 2018 final rule that established fees for the administration of TSCA. 

EPA seeks comment on draft guidance to clarify and inform future NPDES permitting actions for communities with combined sewer systems. 

The Army Corps of Engineers proposed to establish agency specific procedures for its implementation of principles, requirements, and guidelines for water resources investments in response to congressional direction provided in authorizing language in the Water Resources Development Act of 2020.

United States v. Lowell, Massachusetts, City of, No. 1:24-cv-10290 (D. Mass. Feb. 5, 2024). Under a proposed consent decree, a settling CWA defendant that allegedly engaged in unpermitted and illegal discharges from its wastewater collection system and small municipal separate storm sewer system must take measures necessary to achieve and maintain compliance and pay a $200,000 civil penalty for past noncompliance. 

United States v. Guam Waterworks Authority, No. 04-00004 (D. Guam Jan. 30, 2024). Under a proposed partial consent decree, a settling CWA defendant that discharged excess pollutants from and failed to maintain its wastewater system must implement an estimated $400 million in wastewater collection system improvements and conduct a feasibility study for improvements to the Hagåtña wastewater treatment plant.