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New Zealand Mudsnail Rapid Response
Project Number
01.03.01.0042
Action Priority
Prevent, Control, or Eradicate Aquatic Invasive Species
Implementers
Tahoe Regional Planning Agency, Tahoe Resource Conservation District
Primary Contact
Emily Frey (efrey@trpa.gov)
Stage
Implementation
Duration
2023 - 2024
Aquatic Invasive Species Program
Prevent, Control, or Eradicate Aquatic Invasive Species
On September 6, 2023, invasive New Zealand mudsnails (NZMS) were discovered in areas off the South Shore by divers conducting aquatic invasive plant monitoring. Following rapid response protocols under the federally approved Lake Tahoe Aquatic Invasive Species Management Plan, TRPA convened an incident team comprised of staff from TRPA and Tahoe RCD and partner experts. A technical advisory committee was formed to provide expertise to the incident team.
The rapid response includes delineating infestation, tracking spread, implementing prevention procedures to prevent further spread, incorporating education components for the public and partners, and researching management options.
Key Accomplishments
- Acres of Invasive Species Inventoried: 3,200 acres
Threshold Categories
- Fisheries
- Water Quality
Location
Expenditures
Expenditures by Funding Source to Date: $150,000
(Estimated Cost: $550,000)
(Estimated Cost: $550,000)
Lake Tahoe Restoration Act (TRPA): $150,000
Photos
During
Invasive New Zealand mudsnails from Lake Tahoe under a microscope.
New Zealand mudsnail size is about the size of a grain of rice.
Project Fact Sheet Data as of 05/05/2024