EPA announced the establishment of the Vector Expedited Review Voucher program, which will incentivize the development of new insecticides to control and prevent the spread of vector-borne disease. 

EPA proposed to promulgate an aquatic life designated use that includes propagation and protective water quality criteria for dissolved oxygen for Zone 3, Zone 4, and upper Zone 5 of the Delaware River. 

EPA announced the initiation of and seeks comment on the prioritization process for five chemical substances as candidates for designation as high-priority substances for risk evaluation under TSCA and related implementing regulations.

EPA proposed to establish new and revised human health water quality criteria for certain pollutants in the state of Florida. 

United States v. Chattanooga, City of, No. 1:12-cv-00245 (E.D. Tenn. Dec. 3, 2023). A proposed modification to an existing consent decree concerning a settling CWA defendant’s alleged violations with respect to the city's POTWs extends certain deadlines to achieve compliance with the consent decree while adding significant remedial projects that must be completed within five years. 

EPA Region 6 announced an initial revised designation determination that stormwater discharges from the Los Alamos Urban Area (as defined by the latest decennial Census) and Los Alamos National Laboratory property in Los Alamos County and Santa Fe County, New Mexico, are contributing to violations of New Mexico water quality standards and require NPDES permit coverage under the CWA.

United States v. Electron Hydro, LLC, No. 2:20-CV-1746-JCC (W.D. Wash. Nov. 20, 2023). Under a proposed consent decree, settling CWA defendants whose construction activity at a hydroelectric facility on the Puyallup River in Pierce County, Washington, allegedly involved illegal discharges into waters of the United States and violations of Army Corps of Engineers and state of Washington permits must pay a $1.025 million civil penalty, conduct surveys of stretches of the Puyallup River to recover discharged materials, implement best management practices at the construction site, hire a separate firm to review upcoming permit application materials, and place a 72-acre parcel of land into conservation in perpetuity.

All 10 EPA regions seek comment on the draft 2026 NPDES pesticide general permit, which covers point source discharges from the application of pesticides to waters of the United States.