The San Francisco Bay Regional Water Quality Control Board has fined Delta Diablo $5.6 million for a sewage spill that released over 23 million gallons of untreated wastewater into marshland connected to Suisun Bay. - The spill began in November 2024 and was discovered in December 2024, originating from a subsurface pipe break.
- The settlement is the largest ever approved by the regional board. - Funds will be used to install a new force main and upgrade the treatment plant outfall.
- Delta Diablo serves over 218,000 customers in Antioch, Pittsburg, and Bay Point.