San Francisco Bay Federal Channels Operation and Maintenance Dredging and Sediment Placement Activities, Dredging Years 2025-2034

The United States Army Corps of Engineers San Francisco District will conduct maintenance dredging of federal navigation channels in San Francisco Bay from 2025 through 2034 to ensure continued navigability for commercial and national security vessels. This long-term operation involves excavating accumulated sediment from key channels including Oakland Inner and Outer Harbors, Richmond Harbor, Pinole Shoal, and the San Francisco Main Ship Channel, with the sediment being transported and placed at approved aquatic and beneficial use sites. Placement locations include deep ocean disposal sites such as SF-DODS and SF-17, as well as terrestrial restoration areas like Cullinan Ranch and Montezuma Wetlands. Sediment must undergo rigorous testing for contaminants under Clean Water Act Section 404(b)(1) guidelines to ensure compliance with environmental standards before any placement. The project operates under a Clean Water Act Section 401 Water Quality Certification and Waste Discharge Requirements issued by the California State Water Resources Control Board’s San Francisco Bay Region, in alignment with the Bay Basin Plan and the Long-Term Management Strategy for sustainable dredged material use. Dredging activities are scheduled primarily between August and November each year, with flexible windows allowing operations to begin as early as June or extend into winter for specific harbor areas, subject to environmental and operational constraints. Work is conducted by contractors using hopper and clamshell dredges, with estimated annual volumes averaging two to two and a half million cubic yards and episodic costs ranging from $195,000 to $680,000 per event. Emergency dredging may occur up to three times annually for volumes under 30,000 cubic yards. While the contract does not specify a total value, CLINs, or formal pricing structure, all operations are subject to strict environmental review, regulatory oversight by USACE, the State Water Board, NOAA Fisheries, and the California Department of Fish and Wildlife, and must adhere to federal and state transportation, hazardous materials, and maritime regulations including 49 C.F.R., 33 C.F.R., RCRA, and MARPOL. Public input and environmental impact analysis under CEQA and NEPA drive adjustments to the operational plan, and sediment placement at new or expanded sites requires separate regulatory approval. The project is governed by coordinated federal and state authorities, with no formal FAR clauses, contract type designation, invoicing instructions, or contracting officer personnel details provided in the available documentation.