R9UIC-CA1-FY20-1R: S.M.S. Briners Inc., Stockton, CA

Documents related to UIC Permit No. R9UIC-CA1-FY20-1R for S.M.S. Briners, Inc., authorizing operation of the Sousa 1 and Sousa 2 Class I injection wells to dispose of non hazardous wastewater generated at the S.M.S. Briners facility in Stockton, California.

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.
- Comments Due Date: November 16, 2026
- Geographic Locations: Southwest, Hawaii
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.
- Comments Due Date: November 18, 2026
- Geographic Locations: Southwest, California
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.
- Geographic Locations: Southwest, Arizona, California
Proposed Settlement of Clean Water Act Class I Administrative Penalty; Mercedes & BMW Auto Parts, Sun Valley, CA

Notice of proposed administrative penalty settlement with Mercedes & BMW Auto Parts for violations of the CWA. EPA alleges the company’s Sun Valley facility discharged industrial stormwater to the Los Angeles River and its tributaries without authorization
- Comments Due Date: October 30, 2026
- Geographic Locations: Southwest, California
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.
- Geographic Locations: Southwest, Guam

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EPA Fact Sheet: UIC Class I Permit No. R9UIC-CA1-FY20-1R; S.M.S. Briners Inc., Stockton, CA (pdf) (198.02 KB, September 2025)
Summary of the principal facts and considerations supporting the permit decision for S.M.S. Briners Inc., Stockton, California.
UIC Class I Permit No. R9UIC-CA1-FY20-1R: S.M.S. Briners Inc., Stockton, CA (pdf) (431.01 KB, September 9, 2025)
Authorizes operation of the Sousa-1 and Sousa-2 Class I non-hazardous waste injection wells at S.M.S. Briners facility in Stockton, California.
Appendices: UIC Permit R9UIC-CA1-FY20-1R (pdf) (3.03 MB, September 2025)
Permit Appendices for Class I UIC Permit No. R9UIC-CA1-FY20-1R issued to the S.M.S. Briners Inc.

R9UIC-CA1-FY20-1R: S.M.S. Briners Inc., Stockton, CA

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Proposed Settlement of SDWA Underground Injection Control Administrative Penalty; State of Hawaii Department of Agriculture and Biosecurity, Waimanalo, Oahu

Intent to Modify Class I UIC Permit Issued to San Joaquin Refining Company Inc., Bakersfield, CA

EPA Pacific Southwest (Region 9) Completes Five-Year Reviews at 25 Superfund Sites in 2026

Proposed Settlement of Clean Water Act Class I Administrative Penalty; Mercedes & BMW Auto Parts, Sun Valley, CA

Proposed Settlement of CWA Section 309(g) Class I Administrative Penalty; Core Tech-HDCC-Kajima LLC, Tamuning, GU

Underground Injection Control (UIC)