
"Boat launches at two East Bay Municipal Utility District reservoirs will reopen in 2026 on a limited basis, following a yearlong closure aimed to stave off the invasive golden mussel. The reopening plan was approved last week by the EBMUD Board of Directors for the San Pablo Reservoir in the East Bay and the Camanche Reservoir South Shore in the Sierra foothills."
"The plan requires inspection of all trailered vessels and a mandatory 30-day quarantine and banding before they will be allowed to launch, according to EBMUD. The destructive species hasn't been detected at any of EBMUD's reservoirs, but the golden mussel has spread quickly throughout the state since it was first identified in the Sacramento-San Joaquin Delta in October 2024. The golden mussel originated in Asia and its detection in Stockton was the first time it was found in North America."
"EBMUD closed its boat launches soon afterward to prevent the spread to its reservoirs by boat, which is among the most likely ways mussels spread. The mussel is a freshwater species inhabiting shallow waters, and colonizes hard surfaces such as water intakes impeding water flow, clogging pipes, and damaging equipment, including boat motors. In addition, dense colonies of the species consume large quantities of microscopic plants and animals that are critical to native species and sport fish."
Boat launches at San Pablo Reservoir and Camanche Reservoir South Shore will reopen in 2026 on a limited basis following a yearlong closure aimed at preventing golden mussel introduction. The plan mandates inspection of all trailered vessels, cleaning, draining and drying prior to inspection, attachment of a tamper-proof band, and a mandatory 30-day quarantine before launching. San Pablo will be open Feb. 8–Oct. 31, 2026; Camanche South Shore will be open May 1–Oct. 1, 2026. Pardee Reservoir and Camanche North Shore will remain closed to recreational boats. The golden mussel was first detected in the Sacramento-San Joaquin Delta in October 2024 and poses risks to infrastructure and native aquatic life.
Read at www.mercurynews.com
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