EPA Region 6 announced the availability of 32 TMDLs for waters listed in Louisiana under CWA §303(d).

EPA proposed to withdraw federal human health and aquatic life water quality criteria in favor of state criteria for certain waters of California's San Francisco Bay, New Jersey, and Puerto Rico. 

EPA Region 6 proposed an NPDES general permit to regulate discharges from oil and gas wells in two coastal areas of Texas.

EPA announced the availability for public comment of its proposed decision identifying water quality limited segments and associated pollutants in Oregon to be listed under CWA §303(d)(2).

United States v. Johnson, No. 99-12465-EFH (D. Mass. Mar. 2, 2012). Settling CWA defendants responsible for violations at their cranberry bogs in Carver, Massachusetts, must pay a civil penalty and must implement restoration and mitigation measures to create and restore wetlands at various locations.

EPA issued its final 2012 NPDES general permit for stormwater discharges from large and small construction activities for areas where the Agency is the permitting authority. 

EPA established a no discharge zone for the marine waters of California for sewage discharges from large passenger and oceangoing vessels 300 gross tons or greater.

In re Oil Spill by the Oil Rig Deepwater Horizon, No. MDL 2179 (E.D. La. Feb. 17, 2012). A settling CWA defendant responsible for the discharge of oil into the Gulf of Mexico must pay a $45 million civil penalty to the United States and $25 million to the states of Alabama, Florida, Louisiana, Mississippi, and Texas and must perform supplemental environmental projects valued at $20 million in the Gulf states. 

EPA Region 6 reissued the NPDES general permit authorizing discharges from exploration, development, and production facilities in the territorial seas off Texas.

United States v. Union Pacific Railroad Co., No. 1:12-cv-00284-REB (D. Colo. Feb. 6, 2012). A settling CWA defendant responsible for unauthorized discharges of oil, coal, and stormwater into waters of the United States in Colorado, Utah, and Wyoming must pay a $1.5 million civil penalty, with interest; must correct deficiencies in its spill prevention, control, and countermeasure and facility response plans; and must conduct monitoring at all railyards to ensure compliance.