United States v. E.I. Du Pont de Nemours & Co., No. 1:11-cv-01057-UNA (D. Del. Oct. 31, 2011). A settling CWA defendant responsible for violations at its titanium dioxide production facility in Edge Moor, Delaware, must pay a $500,000 civil penalty to the United States and Delaware and must perform a comprehensive engineering study of the wastewater treatment plant and its collection system.

EPA announced a final NPDES general permit for point source discharges from the application of pesticides to waters of the United States.

EPA Region 10 issued effluent limits for six substances under the NPDES general permit for oil and gas exploration, development, and production facilities in state and federal waters in Cook Inlet, Alaska.

United States v. Jersey City Municipal Utilities Authority, No. 2:11-04120 (D.N.J. July 19, 2011). A settling CWA defendant that failed to properly operate and maintain its combined sewer collection system must pay a $375,000 civil penalty, must undertake a supplemental environment project valued at $550,000, and must implement injunctive relief valued at approximately $52 million.

United States v. Hertrich, No. 1:10-cv-03068-JKB (D. Md. July 20, 2011). A settling CWA defendant that discharged pollutants without a permit into waters of the United States must pay a civil penalty.

United States v. Northstar Materials, Inc., No. 0:11-cv-01950-RHK-LIB (D. Minn. July 18, 2011). Settling CWA defendants that discharged fill material into waters of the United States must pay a civil penalty and must restore the impacted areas and/or perform mitigation.

EPA announced tentative approval of Alaska's Public Water Supply Supervision Primacy Program. 

EPA-New England Region determined that adequate facilities for the safe and sanitary removal and treatment of sewage from all vessels are reasonably available for the coastal waters of Outer Cape Cod in Massachusetts.

EPA proposed a rule that would identify provisions of Florida's Water Quality Standards for Phosphorus in the Everglades Protection Area and Florida's Amended Everglades Forever Act that EPA has disapproved and that therefore are not applicable water quality standards for purposes of the CWA.

EPA proposed two options for obtaining basic information from concentrated animal feeding operations (CAFOs) under the CWA; under one option, EPA would obtain certain identifying information from all CAFOs, and under the second option, EPA would obtain this information from CAFOs that fall within areas that have been identified as having water quality concerns likely associated with CAFOs.