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Antioch to pursue $4M Caltrans grant to install two large trash‑capture devices after NPDES noncompliance report
Summary
Public Works told the council it will apply for and accept Caltrans funding to install two large trash‑capture devices that staff estimate could move the city toward roughly 50% trash‑capture for the regulated area; the city has previously notified the regional board it cannot meet the permit’s 100% capture deadline.
The Antioch City Council on Feb. 10 authorized staff to apply for and accept Caltrans funding to design and install two large full trash‑capture devices at Cavallo/13th Street and Wilbur/Almond Street to reduce trash entering the storm drain system and the San Joaquin River.
Public Works Director Bunting said the devices — paid for by Caltrans and managed through a cooperative implementation agreement — would capture stormwater trash from approximately 549 acres of urban land within Antioch (including 31 acres of Caltrans jurisdiction). Bunting said installation and design costs will be fully reimbursed by Caltrans, but the city would have ongoing operations and maintenance responsibilities; staff estimated annual maintenance costs beginning in later years of roughly $10,000.
Bunting explained the city had submitted a letter of noncompliance to the Regional Water Board because it could not meet the municipal regional stormwater permit’s 100% final trash‑capture requirement by the target date. He described the Caltrans agreement as a cost‑effective opportunity to make meaningful progress; staff estimated the two large devices plus relocation of some smaller in‑catchment devices could approach 50% capture of the regulated area.
Councilmembers asked about the permit jurisdiction and enforcement consequences, noting the regional board alignment changed with the recent permit cycle. Councilmembers also raised funding and fee‑structure questions because the city’s NPDES fee has not been adjusted for many years and may be insufficient to support ongoing maintenance obligations.
Council approved the resolution to accept Caltrans funding and proceed with the cooperative implementation agreement on a 5–0 vote.
Next steps: staff to finalize the Caltrans cooperative implementation agreement, proceed with design and permitting (including coordination with Caltrans and BNSF where right‑of‑way access is required), and return with a plan for ongoing maintenance funding.
