Public Notices, Meetings, and Events in EPA's Pacific Southwest
About
EPA’s Pacific Southwest (Region 9) office encourages public participation in addressing environmental issues. When EPA hosts public meetings, events, or other opportunities for public participation, they will be found here.
EPA provides public notices about regulatory and other actions it takes, often related to its permitting authorities. Many public notices seek comment (e.g., notices about proposed EPA actions) or participation from the public (e.g., public meeting notices); some are for informational purposes only (e.g., announcing a final rule). Some EPA actions will be included in the Public Notice listings, and some will be included in the Federal Register listings. Please be sure to check both listings to find the notice you are seeking.
Meetings and Events
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California - Mexico Border Waste and Materials Management Workshop
Join EPA Pacific Southwest Region, CA Department of Toxic Substances Control (DTSC) and the Baja CA Secretariat of the Environment and Sustainable Development (SMADS) for a workshop on CA-MX Border Waste & Materials Management.
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Arizona-Sonora Regional Workgroup Goal 1 (Air Quality)
Join local governments, Tribal Nations, and other program partners in a conversation about the future of environmental collaboration in the border region.
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Arizona-Sonora Regional Workgroup Goal 3 (Sustainable Materials Management)
Join local governments, Tribal Nations, and other program partners in a conversation about the future of environmental collaboration in the border region.
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Arizona-Sonora Regional Workgroup Goal 2 (Water Quality)
Join local governments, Tribal Nations, and other program partners in a conversation about the future of environmental collaboration in the border region.
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Arizona-Sonora Regional Workgroup Public Plenary
Join us as we mark the upcoming sunset (closeout) of the Border 2025: U.S.-Mexico Environmental Program. We will be bringing together representatives from local governments, Tribal Nations, and other program partners to discuss the future.
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EPA Pacific Southwest (Region 9) Fall 2026 RTOC Meeting
The Fall 2026 RTOC meeting will be in-person with virtual sign-in options. Please refer to the draft agenda for virtual meeting links and specific information about in-person meeting locations.
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San Diego-Tijuana Air Quality Task Force Meeting
The Goal 1 (Air Quality) Task Force meeting in the San Diego-Tijuana Region.
Public Notices
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Proposed Settlement of SDWA Underground Injection Control Administrative Penalty; State of Hawaii Department of Agriculture and Biosecurity, Waimanalo, Oahu
Notice of Proposed Settlement of Safe Drinking Water Act Administrative Penalty and Opportunity to Comment In the Matter of State of Hawaii Department of Agriculture and Biosecurity. EPA Docket No. SDWA-09-2026-0023.
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Intent to Modify Class I UIC Permit Issued to San Joaquin Refining Company Inc., Bakersfield, CA
Public Notice of intent to modify a Class I Underground Injection Control (UIC) Permit No. R9uic-Ca1-Fy16-1 issued to San Joaquin Refining Company Inc., Bakersfield, CA.
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EPA Pacific Southwest (Region 9) Completes Five-Year Reviews at 25 Superfund Sites in 2026
Notification that EPA Pacific Southwest (Region 9) completed comprehensive reviews of Superfund cleanups at 25 sites across Arizona and California in Fiscal Year 2026.
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Proposed Settlement of CWA Section 309(g) Class I Administrative Penalty; Core Tech-HDCC-Kajima LLC, Tamuning, GU
Notice of a proposed settlement with Core Tech-HDCC-Kajima LLC for violations of the Clean Water Act. EPA alleges construction activities at project J-609 Apra Embarkation Facility did not fully comply with EPA’s 2022 Construction General Permit.