EPA proposed to promulgate a CWA chronic aquatic life ambient water quality criterion for waters under the state of Idaho’s jurisdiction to protect aquatic life from exposure to harmful concentrations or levels of total mercury.

EPA seeks comments and information to assist in the potential development of regulations for the manufacture, processing, and distribution in commerce of lead for wheel-balancing weights under TSCA. 

EPA entered into a proposed consent decree in Sierra Club v. EPA, No. 3:24-cv-00130 (S.D.W. Va.), concerning allegations that the Agency failed to perform a mandatory duty under the CWA to establish TMDLs for certain waters located in the Lower Guyandotte River Watershed in West Virginia that are impaired due to ionic toxicity. 

EPA issued a rule under TSCA to address the unreasonable risk of injury to health presented by chrysotile asbestos based on the risks posed by certain conditions of use. 

EPA finalized facility response plan requirements for worst case discharges of CWA hazardous substances for onshore non-transportation-related facilities that could reasonably be expected to cause substantial harm to the environment by discharging a CWA hazardous substance into or on the navigable waters, adjoining shorelines, or exclusive economic zone. 

EPA proposed to require manufacturers of 16 chemical substances to submit copies and lists of certain unpublished health and safety studies to help inform EPA’s responsibilities pursuant to TSCA. 

NOAA seeks public input to identify coastal and marine spatial data or other critical information to inform marine spatial analyses in Virginia, North Carolina, and South Carolina.

EPA announced the availability of its final general NPDES permit for water discharges from facilities classified as low threat located in the Navajo Nation.

United States v. General Recycling of Washington, LLC, No. 2:24-cv-00329 (W.D. Wash. Mar. 12, 2024). Under a proposed consent decree, settling CERCLA, CWA, and OPA defendants must construct, monitor, and maintain a habitat restoration project and pay a total of $360,558.12 for assessment costs in connection with natural resource damages caused by releases of hazardous substances and discharges of oil from facilities located near the Lower Duwamish River. 

EPA tentatively approved revisions to Delaware’s Public Water System Supervision Program concerning drinking water regulations for the Stage 1 Disinfectants and Disinfection Byproduct Rule.