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Coverage dated September 21, 2026

Invasive golden mussels found in Alameda County’s Lake Del Valle prompt 30-day boat quarantine

Headline from KION Central Coast

By Carlos E. Castañeda A species of highly invasive mussel have been found at an Alameda County lake, prompting authorities to issue a quarantine on boats that launch at the lake. The East Bay Regional Park District said on Monday that golden mussels were detected at Lake Del Valle in Del Valle Regi…

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  1. KRON4

    Invasive golden mussels detected in Lake Del Valle, prompting boat quarantine (opens KRON4)

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    KRON4's feed description

    (KRON) -- Highly invasive golden mussels have been detected in Lake Del Valle at Del Valle Regional Park, prompting new quarantine rules for boaters, the East Bay Regional Park District announced Monday.

  2. KION Central Coast

    Invasive golden mussels found in Alameda County’s Lake Del Valle prompt 30-day boat quarantine (opens KION Central Coast)

    Published

    KION Central Coast's feed description

    By Carlos E. Castañeda A species of highly invasive mussel have been found at an Alameda County lake, prompting authorities to issue a quarantine on boats that launch at the lake. The East Bay Regional Park District said on Monday that golden mussels were detected at Lake Del Valle in Del Valle Regi…

Invasive golden mussels found in Alameda County’s Lake Del Valle prompt 30-day boat quarantine | Since Then