Sierra Nevada and Lake Tahoe

TRANS-SIERRA TRANSMISSION LINE INTERTIE, CALIFORNIA AND NEVADA — IMPACTS ON FISHERY RESOURCES

In connection with the EIR for a Trans-Sierra Transmission Line Intertie, AAR conducted a fishery resources assessment of over 400 square miles of streams along proposed alternate routes. Riverine systems included the American, Bear, Truckee, Carson, and Yuba rivers; Prosser, Dry, Wolf, Auburn Ravine, Weber, and Alder creeks; and, Dutch Flat, Rollins and, Camp Far West reservoirs. AAR’s responsibilities included: (1) Developing criteria for assessing the fishery resources values of each water course; (2) Assessing the effects of erosion and sedimentation on fishery resources; and, (3) Providing mitigation measures for fishery resources.

PINE AND MILL CREEK WATERSHED, CALIFORNIA — IMPACTS OF HOUSING DEVELOPMENT ON FISHERY RESOURCES

AAR completed the fishery resources section for an EIR for a housing development project near Bishop, California. The project involved the Pine and Mill Creek watersheds. The fish species of special concern included Owens pupfish, Owens speckled dace, Owens tui club, and Owens sucker. AAR’s responsibilities included: (1) Fishery resources habitat and population surveys; and, (2) Analysis of data and submittal of report describing existing conditions, potential impacts of the proposed project, and measures to mitigate potential impacts.

CANYON CREEK, CALIFORNIA — SMALL HYDROELECTRIC PROJECT

In connection with a small hydroelectric project, AAR evaluated the water availability and potential conflicts that streamflow withdrawals would have on existing salmonids.

LAKE TAHOE BREAKWATER, NEVADA — BIOLOGICAL ASSESSMENT

AAR analyzed the fishery resources and fish habitat in connection with a breakwater that was installed by a landowner in Incline Village, Lake Tahoe. AAR’s responsibilities included: (1) Habitat (SCUBA and snorkeling) surveys to determine existing substrate conditions; (2) Water temperature and water quality monitoring; (3) Assessing whether or not the breakwater was impacting fishery resources; and, (4) Expert witness testimony provided by Dr. Alice A. Rich.

LAKE TAHOE CONVERSION OF BOAT RAMP TO PIER, NEVADA — BIOLOGICAL ASSESSMENT

AAR assisted a homeowner with the conversion of a boat ramp to a Pier in Incline Village, Lake Tahoe. AAR performed the following: (1) Habitat surveys to determine existing environmental conditions; (2) An assessment of the potential impacts of the proposed project; (3) Analysis, report of results, mitigation measures; (4) Fish habitat restoration plan for the project; and, (5) Biological Assessment for the Project.

LAKE TAHOE FISHING ACCESS BOAT RAMP, CALIFORNIA — BIOLOGICAL ASSESSMENT

As part of the environmental process for a Master Plan developed by the Tahoe City Public Utility District, AAR conducted a fishery resources assessment, that included: (1) Habitat surveys to determine existing environmental conditions; (2) An assessment of the potential impacts of the project; (3) Analysis, report of results and, mitigation measures for the project; and, (4) Biological Assessment for the Project.

LAKE TAHOE PIER CONSTRUCTION — BIOLOGICAL ASSESSMENT

AAR assisted a homeowner with a pier construction project in Meeks Bay, Lake Tahoe, California. Tasks included: (1) SCUBA and habitat surveys to determine existing environmental conditions; (2) An assessment of potential impacts of the proposed project; and, (3) A Biological Assessment, including analysis, report of results, and mitigation measures for the project.

LAKE TAHOE PIER EXTENSION, NEVADA — BIOLOGICAL ASSESSMENT

AAR assisted a homeowner with a pier extension at Crystal Bay in Lake Tahoe. Tasks included: (1) SCUBA and habitat surveys to determine existing environmental conditions; (2) An assessment of the potential impacts of the proposed project; and, (3) A Biological Assessment that included analysis, report of results, and mitigation measures.

LAKE TAHOE BOAT DOCK, NEVADA — BIOLOGICAL ASSESSMENT

AAR assisted a homeowner with a boat dock project in Incline Village, Lake Tahoe. Tasks included: (1) Habitat surveys to determine existing environmental conditions; (2) Assessment of the potential impacts of the project; (3) Analysis, report of results and, mitigation measures for the project; and, (4) Rehabilitation measures.