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Lake Tahoe EIP

Pilot project: Sonar Methods for Aquatic Plant Monitoring

Project Number
01.03.01.0043
Action Priority
Prevent, Control, or Eradicate Aquatic Invasive Species
Implementers
Tahoe Regional Planning Agency
Supporting Agencies
Tahoe Regional Planning Agency
Primary Contact
Emily Justice (ejustice@trpa.gov)

Stage
Completed
Duration
2023 - 2024
Total Project Cost
$150,000
Funding Request
$0
Aquatic Invasive Species Program Prevent, Control, or Eradicate Aquatic Invasive Species
Pilot project to better understand capabilities of sonar to enhance monitoring of aquatic invasive plant infestations. Methods include multibeam, side scan, dual frequency sonar, and comparison of commercially available sonar software.

Targeted Performance Measures

  • Acres of Invasive Species Inventoried

Threshold Categories

  • Fisheries
  • Water Quality
Example of data collection process using a sonar method. (Timing: During) (~880 KB) Credit: Marine Taxonomic Services Example of data collection process using a sonar method.

Location

Targeted Funding

Secured Funding: Lake Tahoe Restoration Act (TRPA), $150,000

Photos

Before
30 acre project area selected for pilot project. (Timing: Before) (~87 KB) Credit: Marine Taxonomic Services
30 acre project area selected for pilot project.
During
Field staff collecting sonar data on Lake Tahoe. (Timing: During) (~1,243 KB) Credit: Marine Taxonomic Services
Field staff collecting sonar data on Lake Tahoe.
Project Fact Sheet Data as of 06/12/2025