Date
Huwebes, Oktubre 09, 2025
The Air District has fined Marathon Martinez Refinery, which is operated by Marathon subsidiary Tesoro Refining & Marketing Company LLC, $372,500 for 13 Notices of Violation that include tank-related violations, uncertified pieces of equipment at their on-site gas dispensing facility and reporting delays.
By addressing these violations, Marathon Martinez Refinery will minimize excess emissions in the future. This penalty also incentivizes Marathon Martinez Refinery to increase attention to inspection and maintenance at their facility in unincorporated Contra Costa County, near Martinez.
All violations have been corrected.
The Air District issues Notices of Violation when a facility violates a specific air quality regulation or rule. Violators are required to correct the problem and pay a monetary penalty based on the seriousness of the violation. Corrective actions may include shutting down certain operations or modifying operations or equipment to achieve compliance.
A portion of the collected penalty funds will be used in the community that is impacted by the violation. These funds will support local projects aimed at reducing pollution and improving public health.
View press release.
Last Updated: 10/9/2025