EPA proposed a rule revising and replacing the Agency's 2020 regulatory requirements for water quality certification under CWA §401. 

EPA approved the Oregon Department of Environmental Quality as the initial recipient for electronic data reporting for all NPDES data groups except for "No. 4 - Sewage Sludge/Biosolids Annual Program Reports." 

EPA announced the availability of drafts of recommended aquatic life ambient water quality criteria for perfluorooctanoic acid and perfluorooctane sulfonic acid under the CWA. 

United States v. Evansville, City of, No. 3:09-cv-128 (S.D. Ind. Apr. 25, 2022). A proposed modification to a consent decree extends interim deadlines for up to five years for bid and construction dates on four integrated overflow control plan projects for settling CWA defendants with violations in connection to their operation of a municipal wastewater and sewer system.

United States v. Toledo, Ohio, City of, No. 3:91-7646 (N.D. Ohio Apr. 19, 2022). A proposed second amendment to a consent decree requires settling CWA defendants that violated their wastewater treatment discharge permit to construct separate storm sewers instead of the Swan Creek North Tunnel Extension, change one of the discharge locations, and conclude the pathogen removal study early. 

EPA Region 1 announced the availability of and seeks comment on draft NPDES general permits for discharges from sites engaged in certain dewatering and remediation activities to certain waters in Massachusetts and New Hampshire, sites in Connecticut and Rhode Island located on Indian Country lands, and federal facilities in Vermont. 

United States v. Sanitary District of Highland, No. 2:22-cv-00086 (N.D. Ind. Apr. 7, 2022). Under separate proposed consent decrees, settling CWA defendants that illegally discharged sanitary sewage into waters of the state and the United States must make improvements designed to eliminate sanitary sewer overflows and pay civil penalties of $175,000 and $33,000. 

EPA found that Washington's existing human health criteria are not based on sound scientific rationale and proposed to reinstate the protective federal human health criteria that the Agency withdrew in June 2020 to protect Washington's waters. 

EPA issued a draft NPDES general permit for discharges from small municipal separate storm sewer systems from urbanized areas within the Commonwealth of Puerto Rico to waters of the United States. 

EPA proposed to require planning 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 CWA hazardous substances into or on navigable waters, adjoining shorelines, or the exclusive economic zone.