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Historical Locations

There are numerous locations at which monitoring has been conducted over the years. However, data collection has since been stopped in many locations. This historical data was collected mainly by TMWRF (water quality), UNR (water quality and biological), DRI (water quality and biological) and the USGS (flow). Data from historical locations can be found on the associated TRIG website. There are at least 100 historic data locations; data users are encouraged to view this data for its potential use in ongoing scientific investigations. Additionally, some data has been collected by contractors working in or adjacent to the Truckee River that are subject to temporary construction activity permits. This data may be obtained from NDEP. Other water quality data specific to California sections of the Truckee River can be accessed through the Lahontan Regional Water Quality Board and may now be available through a new online database in annual reports.