EPA entered into a proposed interim consent decree under the CWA in Northwest Environmental Advocates v. EPA, No. 19-01537 (W.D. Wash.) in connection with the Agency’s alleged inaction concerning the state of Washington’s water quality assessment and listing program and TMDL program that would require Washington to submit three TMDLs to EPA by December 2025 and would prohibit the plaintiff from filing any new TMDL constructive submission lawsuits in Washington for a period of 34 months.

The Pipeline and Hazardous Materials Safety Administration proposed revisions to the pipeline safety regulations to require operators of gas distribution pipelines to update their distribution integrity management programs, emergency response plans, operations and maintenance manuals, and other safety practices.

BLM proposed a new rule to govern the management of surface resources and Special Areas in the National Petroleum Reserve in Alaska (NPR-A); the rule would revise the framework for designating and assuring maximum protection of Special Areas’ significant resource values, and would protect and enhance access for subsistence activities throughout the NPR-A.

NOAA created a temporary special use area for coral restoration located approximately five miles southeast of Tavernier, on the island of Key Largo, within federal waters of Florida Keys National Marine Sanctuary from September 6, 2023, to November 6, 2023.

The U.S. Sentencing Commission amended the policy statement and commentary in the Guidelines Manual that provides for a reduction in a defendant's term of imprisonment as a result of an amended guideline range.

The Pipeline and Hazardous Materials Safety Administration amended the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published on July 24, 2020, pending the earlier of either completion of a companion rulemaking evaluating potential modifications to requirements governing rail tank car transportation of LNG, or June 30, 2025.

EPA approved revisions to the Navajo Nation's primacy program under the SDWA that adopted regulations effectuating the federal Stage 2 Disinfectants and Disinfection Byproducts Rule and the Ground Water Rule.

EPA approved revisions to Guam's primacy program under the SDWA that adopted regulations effectuating the federal Revised Total Coliform Rule.

United States v. Ford, No. 19 Civ. 9600 (S.D.N.Y. Aug. 18, 2023). A settling CWA defendant that filled wetlands, channelized streams, and discharged process wastewater and other pollutants from a concentrated animal feeding operation without a permit and violated the terms of a construction stormwater permit must restore approximately 18 acres of wetlands and two streams and pay a $200,000 civil penalty.

EPA supplemented proposed revisions to Louisiana's Underground Injection Control (UIC) Program to approve a revision to the state's SDWA §1422 UIC program to include Class VI injection well primary enforcement responsibility.