Truckee River looking upstream at the Interstate 80 riffle site where benthic macroinvertebrates are collected. Truckee River looking upstream at the Interstate 80 riffle site where benthic macroinvertebrates are collected.

 

Taking measurements along the Truckee River at the Interstate 80 site. Taking measurements along the Truckee River at the Interstate 80 site.

 

Benthic macroinvertebrate sampling at higher flows.Benthic macroinvertebrate sampling at higher flows.

Monitoring Map >> Interstate 80


Interstate 80 - Physical Habitat and Bioassessment Sampling Site


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Location: Latitude N: 39.61706
Longitude W: 119.30449
Elevation: 4096 ft.
Washoe County, NV; near Interstate 80, Wadsworth, NV 89442
Annual Physical Habitat/ Bioassessments are also conducted during the last week of August. Water samples and in-situ stream measurements are taken at the same time.
Equipment: A YSI 6920 multiparameter water quality sonde is used to obtain temperature, specific conductance, pH, dissolved oxygen, salinity, tds, and turbidity.
A 18"x12" kicknet, 500 micron mesh, is used to collect benthic macroinvertebrates.
A densiometer is used to get an estimate for canopy cover along the 500 meter reach.
Period of Record: 1999 to present.

The Tribe's Physical Habitat & Bioassessment monitoring program began on the lower Truckee River in 1989. Physical Habitat & Bioassessments are conducted annually at eleven locations on the lower Truckee River, usually during base flows (end of August). Physical Habitat assessments are conducted within a 20 x 500 meters reach of the river. Water samples, in situ stream measurements, and benthic macroinvertebrates are collected at the mid point of the reach following protocols in the Tribe's 2007 Quality Assurance Project Plan.(7.4 Mb PDF file)


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