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Lake Tahoe EIP

Tahoe Keys Lagoon Aquatic Weeds Control Methods Test Implementation

Project Number
01.03.01.0006
Action Priority
Prevent, Control, or Eradicate Aquatic Invasive Species
Implementers
Tahoe Keys Property Owners Association
Primary Contact
Emily Frey (efrey@trpa.gov)
Stage
Implementation
Duration
2017 - 2025
Aquatic Invasive Species Program Prevent, Control, or Eradicate Aquatic Invasive Species
The Control Methods Test was approved by TRPA and Lahontan in January 2022, and implementation of the full test- ultraviolet light, aquatic herbicides and other non-herbicidal methods- began in May of 2022. In addition to the test treatment methods, extensive monitoring is being conducted to follow herbicide degradation, water quality conditions, and efficacy of treatment methods.

Key Accomplishments

  • Acres Treated for Invasive Species: 69.17 acres

Threshold Categories

  • Fisheries
  • Water Quality
Tahoe Keys Lagoons infested with Eurasian Watermilfoil (Timing: Before) (~161 KB) Credit: TKPOA Tahoe Keys Lagoons infested with Eurasian Watermilfoil

Location

Expenditures

Expenditures by Funding Source to Date: $8,623,826
(Estimated Cost: $12,000,000)
Lake Tahoe Restoration Act (USFWS): $5,408,826

Tahoe Keys Property Owners A... (TKPOA): $3,215,000

Photos

Before
Tahoe Keys Treatment and Monitoring locations (Timing: Before) (~204 KB) Credit: TKPOA
Tahoe Keys Treatment and Monitoring locations
During
Tahoe Keys CMT Test sites and monitoring locations (Timing: During) (~325 KB) Credit: TKPOA
Tahoe Keys CMT Test sites and monitoring locations
Year 2 (2023) Treatment Map - Tahoe Keys Control Method Test (Timing: During) (~194 KB) Credit: Sierra Ecosystem Associates
Year 2 (2023) Treatment Map - Tahoe Keys Control Method Test
Project Fact Sheet Data as of 04/23/2024