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. 

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).