EPA approved Texas’ revisions to its Public Water System Supervision program that adopted the Agency’s drinking water rules for the Revised Total Coliform Rule and Ground Water Rule.

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. 

The Federal Highway Administration amended its regulations governing national performance management measures to require state departments of transportation and metropolitan planning organizations to establish declining carbon dioxide targets for the greenhouse gas emissions associated with transportation and report on progress toward the achievement of those targets. 

EPA proposed revisions to the National Primary Drinking Water Regulation for lead and copper under the SDWA, including requiring water systems to replace lead service lines, remove the lead trigger level, reduce the lead action level to 0.010 mg/L, and strengthen tap sampling procedures.

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.