Water Quality Data


Water Temperature data Over 15 years of Tribal data from the Umatilla, Walla Walla and Grand Ronde Watersheds.
ISCO / Turbidity data Turbidity, sediment, total suspended solids data that have been collected by CTUIR and the Umatilla TMDL Monitoring Project.
Water Quality Lab data Parameters include nitrate, nitrite, arsenic and more. These samples were collected by CTUIR and the Umatilla TMDL Monitoring Project.
Interactive Map Find all of the above data using an interactive map that shows where the data were collected.




 Related Data


Air Temperature data Hourly air temperature data from a handful of locations.