Rehabilitation of the Existing San Joaquin Pipelines

The California Department of Fish and Wildlife has executed Lake and Streambed Alteration Agreement EPIMS-TUO-59887-R4 with the San Francisco Public Utilities Commission for the Rehabilitation of the Existing San Joaquin Pipelines. This project focuses on the Hetch Hetchy Junction Culvert Replacements, which involve replacing three existing culverts, performing site preparation through the removal of native and non-native grasses, replacing roads over the culverts, and installing riprap over geotextile fabric. The project is classified under NAICS code 237990 and is managed by the City and County of San Francisco within the state of California. A Notice of Determination dated August 24, 2026, confirms that the project will not have a significant environmental effect within the jurisdiction of the California Department of Fish and Wildlife. This determination is based on a Mitigated Negative Declaration, which includes the adoption of specific mitigation measures and a comprehensive monitoring and reporting plan.