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89 FR 25672

United States v. D.R. Horton, Inc., No. 2:24-cv-00428-AMM (N.D. Ala. Apr. 8, 2024). Under a proposed consent decree, settling CWA defendants that violated stormwater management requirements at 16 homebuilding construction sites must implement specified stormwater management practices, implement a supplemental environmental project that will cost $400,000, and pay a civil penalty of $400,000. 

89 FR 24758

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.

89 FR 22140

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. 

89 FR 21924

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. 

89 FR 20638

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.