United States v. Villegas, No. 1:24-cv-962 (D. Colo. Apr. 10, 2024). Under a proposed consent decree, settling CWA defendants that discharged pollutants without a permit into waters of the United States must restore impacted areas. 

United States v. Lexington-Fayette Urban County Government, No. 5:06-cv-386-KSF (E.D. Ky. Apr. 10, 2024). A proposed material modification to a consent decree concerning alleged violations of the CWA stemming from the settling defendant's operation of its sanitary sewer system and wastewater treatment plant extends the final compliance deadline for remedial projects by four years to December 31, 2030, and makes changes to reporting frequency and methods.

United States v. Grindstone Indian Rancheria of Wintun-Wailaki Indians of California, No. 2:24-cv-01044-KJM-CKD (E.D. Cal. Apr. 9, 2024). Under a proposed consent decree, a settling SDWA defendant must pay a civil penalty of $8,963 and perform injunctive relief measures including demonstrating compliance with surface water treatment requirements, providing boil water notices and alternative water supply, and developing and implementing an extensive operation and maintenance plan for the Grindstone Indian Rancheria Public Water System. 

United States v. PPG Industries, Inc., No. 2:24-04771 (D.N.J. Apr. 11, 2024). Under a proposed consent decree, a settling CERCLA defendant must design and implement the components of the remedy selected for the Riverside Industrial Park Superfund Site in Newark, New Jersey, that relate to waste material, sewer water, soil gas, and soil/fill material; pay a total of $3,000,000 for past response costs; and pay for future response costs.

EPA adopted FWS' categorical exclusion for restoration activities of wetland, riparian, instream, and native habitats under NEPA to use in certain water grants and loan programs administered by the Agency. 

EPA proposed to revise the existing secondary sulfur dioxide NAAQS, to retain the existing secondary standards for nitrogen oxides and particulate matter, and to revise the data handling requirements for the proposed secondary sulfur oxide NAAQS.

SIP Proposal: Ohio (particulate matter rules).

United States v. Flint Hills Resources Ingleside, LLC, No. 2:24-cv-00079 (S.D. Tex. Apr. 8, 2024). Under a proposed consent decree, a settling CWA and OPA defendant that allegedly discharged about 14,000 gallons of crude oil that spilled into Corpus Christi Bay from a ruptured pipe on a dock at the defendant's crude oil storage terminal in Ingleside, Texas, must pay a total of $989,212.80. 

SIP Approval: Virginia (second maintenance plan for the 1997 eight-hour ozone NAAQS in the Fredericksburg area).