Idaho Real-Time Water Quality

Real-time computed concentrations of water-quality constituents such as suspended sediment, total nitrogen, and total phosphorus are calculated using ordinary least squares regression models. The results of these models, along with direct water-quality measurements, can be viewed here as time-series graphs, or downloaded as tabular data.

Ordinary least squares regression models on this site use conventional sensor measurements (for example, discharge, temperature, pH, specific conductance, turbidity, and dissolved oxygen) to compute concentrations and loads of other water-quality constituents in real time. This makes it possible to compute instantaneous values of many constituents in real time for public safety without the lengthy time delay of collecting a sample and waiting for analysis of a sample at a laboratory.

Please select a site from below to start viewing data. You also can read more about the methods, measured constituents, and disclaimers by using the navigation bar at the top of each page.

Map Legend

	Continuous Water-Quality Gage
	Discontinued Continuous Water-Quality Gage

Station Name	Station Identifier	County	Computation Period
Boise River near Parma, ID	13213000	Canyon	Jan. 2013 to present
Clearwater River at Spalding, ID	13342500	Nez Perce	Jan 2013 to present
East Fork of South Fork Salmon River at Stibnite, ID	13311000	Valley	Jan 2012 to Present
EFSF Salmon River above Sugar Creek near Stibnite, ID	13311250	Valley County	Jan. 2015 to present
Meadow Creek NR Stibnite, ID	13310850	Valley	Jan 2012 to Present
Sugar Creek Near Stibnite, ID	13311450	Valley	Jan. 2012 to present