Announcements
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- Los Angeles Water Board and Hi-Shear Corporation enter into Interim Settlement Agreement Concerning Cleanup and Abatement Order No. R4-2021-0079
- Court finds discharge from fire debris contributed to the 2021 Dominguez Channel odor incident
- Public Notice No. 25-011 - Notice of opportunity for public comment regarding proposed settlement involving The Boeing Company Santa Susana Field Laboratory. Comment Deadline: 5:00 pm on January 15, 2026: The Los Angeles Regional Water Quality Control Board is accepting public comments on a proposed settlement of Administrative Civil Liability Complaint No. R4-2025-0268. Please click here for further information and instructions on how to submit comments.
- Administrative Civil Liability Complaint (ACLC) No. R4-2025-0268
- Attachments A, B, and C to ACLC No. R4-2025-0268
- Signed Waiver Form
- LARWQCB 2025 Post-Fire Water Quality Monitoring
- Consultant settles fraud allegations involving state Underground Storage Tank Fund
- Oil refinery companies agree to pay $9.8 million for site cleanup
- Public Notice No. 24-004 regarding proposed settlement involving former Mouren-Laurens Oil Company and Leach Oil Company sites - Comment Deadline: 5:00 p.m. March 25, 2024: The Los Angeles Regional Water Quality Control Board is accepting public comments on a proposed Settlement Agreement regarding People of the State of California ex rel. California Regional Water Quality Control Board, Los Angeles Region v. Mouren-Laurens Oil Co., Inc., et al. Please use the link to Public Notice No. 24-004 (below) for further information and instructions on how to submit comments.
- Public Notice No. 24-004 (English) | En Español
- Proposed Settlement Agreement
- Remedial Action Plan
- LARWQCB Conditional Approval of Remedial Action Plan
- Los Angeles Water Board introduces expedited enforcement of municipal stormwater violations
- Los Angeles County sanitation districts to pay $6 million for multiple sewage spills
- Southern California consulting firm agrees to pay $150,000 to resolve multiple fraud allegations
- Public Notice of Adoption of Order No. R4-2023-0180, General NPDES No. CAG994007 for Discharges of Residual Firework Pollutants from Public Fireworks Displays to Surface Waters in Los Angeles and Ventura Counties
- The Los Angeles Water Board proposes $21.7 million in penalty for sewage spill at Hyperion facility
- The Los Angeles Water Board proposes $1.2 million in administrative civil liability against Robert French and Wahib Mikhail for their failure to address underground storage tank releases at the Former Buy Rite Gasoline Facility in Los Angeles as required by a Health and Safety Code section 25296.10 directive.
- The Los Angeles Water Board proposes $1.9 million in penalties against Garvey Garden Plaza LLC, Yang Ming Construction Inc., and Jimmy Duong for alleged violations of the statewide construction stormwater permit.
- California holds Boeing accountable for cleanup at toxic Santa Susana Field Laboratory
In a major development to strengthen the cleanup of contamination at the Santa Susana Field Laboratory in southeastern Ventura County, the California Environmental Protection Agency announced a comprehensive framework that establishes strict cleanup protocols and timelines for The Boeing Company. Together, the agreements ensure that: (1) Boeing will clean up chemical contamination in its areas of responsibility to a health protective cleanup standard that could be as stringent as a “Resident with Garden” standard that has long been advocated for by members of the surrounding community; (2) Boeing will clean up radionuclides in soil in its areas of responsibility to levels that would exist locally without industrial activity; and (3) Following the cleanup, stormwater runoff from the Boeing areas will not be polluted. Boeing’s total cleanup costs are expected to be in the hundreds of millions of dollars, including cleanup costs that have already been expended. Read the press release.
- More Information about matters related to the Santa Susana Field Laboratory (SSFL) Site
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