Minnesota Real-time Water Quality

Constituents Measured or Computed Continuously in Minnesota

Continuous measurements of constituents (water-quality parameters) can be obtained by direct measurement using sensors, or by indirect computation using models.

Below is a list of constituents continuously measured or computed by the USGS in Minnesota. Click on a constituent for more detailed information, including a list of where it is measured or computed.

Constituent Name Units Criteria
Acoustic Doppler Velocity Meter signal to noise ratio Number (num)
Computed discharge cubic feet per second (cfs)
Sediment Corrected Backscatter Decibels (dB)
Suspended sediment concentration, water, unfiltered, estimated by regression equation milligrams per liter (mg/L)
Turbidity, measured as NTU or FNU formazin nephelometric units (FNU)
Water temperature degrees Fahrenheit (°F)