Invasive golden mussels approaching the region
Yolo County, California
Summary
The Board would affirm the ongoing local emergency over the invasive golden mussel in the Delta, keeping boat inspection and prevention programs active.
At a glance
- Total mentions
- 4
- Last 30 days
- 1
Discussed at 1 meeting in the last 60 days; most recently Nov 3, 2026.
Impact analysis
No general fund impact is listed for the affirmation.
Boaters, water users and Delta infrastructure are protected by continued prevention efforts.
Mentions & discussions (4)
Board of Supervisors — November 3, 2026
The Board would affirm the ongoing local emergency over the invasive golden mussel in the Delta, keeping boat inspection and prevention programs active.
Board of Supervisors Meeting — August 25, 2026
Supervisors Villegas and Allen's ad hoc subcommittee reported on the invasive golden mussel emergency, a port tour showing infestation expected to worsen, and $6 million in state funding for Delta counties. Two major regional plans — the Yolo Bypass Comprehensive Study and the Bay Delta water quality plan — are under staff review.
Board of Supervisors — July 21, 2026
The Board declared a local emergency over golden mussels, an invasive species found at the Port of West Sacramento that clogs pipes and pumps and threatens Delta water infrastructure and flood control.
Board of Supervisors — July 7, 2026
Golden mussels, an invasive species established in the Delta, are moving upriver toward Yolo County. County staff are coordinating with West Sacramento, water agencies and reclamation districts, and may bring an action item to the Board soon.
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