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Lake Tahoe EIP

Tahoe Keys Offshore Aquatic Invasive Plant Control Project

Project Number
01.03.01.0034
Action Priority
Prevent, Control, or Eradicate Aquatic Invasive Species
Implementers
Tahoe Resource Conservation District
Primary Contact
Mollie Hurt (mhurt@tahoercd.org)
Stage
Implementation
Duration
2019 - 2030
Aquatic Invasive Species Program Prevent, Control, or Eradicate Aquatic Invasive Species
This site is identified in the 2019 Lake Tahoe Region AIS Action Agenda as a Tier 1 priority for treatment. Aquatic invasive plant control at this site commenced in September 2020. Diver-assisted suction removal has been the primary method of plant control thus far. In September 2023, an aquatic invasive species, New Zealand mudsnail (Potamopyrgus antipodarum), was detected by contracted divers within the project area. Work was paused to reduce risk of spread of this species.

Key Accomplishments

  • Acres of Invasive Species Inventoried: 666.3 acres
  • Acres Treated for Invasive Species: 8.8 acres

Threshold Categories

  • Fisheries
  • Water Quality
Dive team offshore of the West Channel of the Tahoe Keys implementing diver-assisted suction removal. (Timing: During) (~619 KB) Credit: Marine Taxonomic Services, 2022. Dive team offshore of the West Channel of the Tahoe Keys implementing diver-assisted suction removal.

Location

Expenditures

Expenditures by Funding Source to Date: $819,460
(Estimated Cost: $2,500,000)
League to Save Lake Tahoe (League): $25,000

Lake Tahoe Restoration Act (TRPA): $312,268

SB630 Funds (CTC): $482,192

Photos

Before
Aerial View of West Channel of Tahoe Keys Complex, South Lake Tahoe, CA, July 2020. (Timing: Before) (~1,005 KB) Credit: Monique Rydel-Fortner, Marine Taxonomic Services, LTD.
Aerial View of West Channel of Tahoe Keys Complex, South Lake Tahoe, CA, July 2020.
During
Aerial View of West Channel of Tahoe Keys Complex, South Lake Tahoe, CA, October 2020. (Timing: During) (~930 KB) Credit: Monique Rydel-Fortner, Marine Taxonomic Services, LTD.
Aerial View of West Channel of Tahoe Keys Complex, South Lake Tahoe, CA, October 2020.
Dive team offshore of Tahoe Keys, South Lake Tahoe, CA, May 2021 (Timing: During) (~342 KB) Credit: Monique Rydel-Fortner, Marine Taxonomic Services, LTD.
Dive team offshore of Tahoe Keys, South Lake Tahoe, CA, May 2021
After
Diver-assisted suction control work at Tahoe Keys Offshore is shown by day for 2020 and 2022. (Timing: After) (~1,198 KB) Credit: S.Matthews, Tahoe RCD.
Diver-assisted suction control work at Tahoe Keys Offshore is shown by day for 2020 and 2022.
Under water dive Site Assessment was carried out in June 2022. (Timing: After) (~711 KB) Credit: S.Matthews, Tahoe RCD.
Under water dive Site Assessment was carried out in June 2022.
Project Fact Sheet Data as of 10/17/2024