United States v. Navajo Tribal Utility Authority, No. 3:24-cv-08006 (D. Ariz. Jan. 9, 2024). Under a proposed partial consent decree, a settling CWA defendant that allegedly violated the limits and conditions established in its NPDES permits at three wastewater treatment facilities must improve the performance of its exiting treatment plants in the short term, construct new treatment plants over the longer term, improve its operation and maintenance of the facilities, and study its collection systems to identify defects and plan for their repair. 

EPA proposed amendments to the new source performance standards and emission guidelines for large municipal waste combustion units. 

EPA proposed to revise the technology-based effluent limitations guidelines and standards for the meat and poultry products point source category. 

EPA entered into a proposed consent decree under the CAA in Center for Community Action and Environmental Justice v. United States Environmental Protection Agency, No. 4:23-cv-03571-YGR (N.D. Cal.), that would establish a deadline for the EPA Administrator to sign a notice of final rulemaking on a California SIP submittal entitled “South Coast Air Quality Management District Rule 2305, Warehouse Indirect Source Rule—Warehouse Actions and Investments to Reduce Emissions Program.” 

EPA entered into a proposed settlement agreement under RCRA and CERCLA with St. Croix Petrochemical Corporation (SCPC), under which SCPC would transfer its remaining assets of approximately $1.7 million to help fund remediation of contamination caused by SCPC’s former Hovensa refinery in St. Croix, U.S. Virgin Islands. 

SIP Approval: Florida (miscellaneous changes). 

SIP Approval: Ohio (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Canton-Massillon, Cleveland-Akron-Lorain, and Steubenville-Weirton Ohio-West Virginia maintenance areas). 

SIP Proposal: Kentucky (2015 eight-hour nonattainment new source review planning requirements for the Jefferson County portion of the Louisville, Kentucky-Indiana multistate nonattainment area). 

SIP Approval: Indiana (revisions to 2008 ozone maintenance plan for the Indiana portion of the Chicago Naperville, IL-IN-WI area). 

SIP Proposal: Indiana (revisions to 2008 ozone maintenance plan for the Indiana portion of the Chicago Naperville, IL-IN-WI area).