Water Level/Flow Parameters
Streamflow, ft³/s (457 sites)
Gage height, ft (61 sites)
Discharge, m³/s (3 sites)
Lake or reservoir water surface elevation above NAVD 1988, ft (1 sites)
Stream water level elevation above NAVD 1988, in ft (3 sites)
Depth to water level, ft below land surface (186 sites)
Water Quality Parameters
Temperature, water, °C (97 sites)
Specific conductance, water, unfiltered, µS/cm at 25 °C (63 sites)
Dissolved oxygen, water, unfiltered, mg/L (64 sites)
pH, water, unfiltered, field, standard units (39 sites)
Ammonia, water, filtered, mg/L as N (7 sites)
Ammonia plus organic nitrogen, water, unfiltered, mg/L as N (7 sites)
Nitrite plus nitrate, water, filtered, mg/L as N (7 sites)
Phosphorus, water, unfiltered, mg/L as phosphorus (7 sites)
Orthophosphate, water, filtered, mg/L as phosphorus (7 sites)
Chloride, water, filtered, mg/L (2 sites)
Colored dissolved organic matter (CDOM), water, in situ, single band excitation, fluorescence emission, ppb QSE (1 sites)
Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (1 sites)
Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (1 sites)
Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (1 sites)
Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (1 sites)
Colored dissolved organic matter (CDOM), water, in situ, fluorometric method, relative fluorescence units (RFU) (2 sites)
Ammonia, water, dissolved, pounds per day as nitrogen (7 sites)
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (27 sites)
Chloride, water, dissolved, tons/day (2 sites)
Tryptophan, water, in situ, relative fluorescence units (RFU) (2 sites)
Suspended sediment concentration, mg/L (28 sites)
Suspended sediment discharge, tons/day (28 sites)
Phosphorus, water, unfiltered, short tons of phosphorus per day (1 sites)
Phosphorus, water, unfiltered, pounds per day (6 sites)
Suspended solids, dried at 105 degrees Celsius, water, unfiltered, tons/d (3 sites)
Ammonia plus organic nitrogen, water, unfiltered, pounds of nitrogen per day (7 sites)
Orthophosphate, water, dissolved, pounds per day (7 sites)
Nitrite plus nitrate, water, dissolved, lb/d as N (7 sites)
NOTE: During winter months, stage
and discharge may be significantly affected by backwater from ice,
resulting in incorrect discharge data. Consequently, discharge data may
not be displayed during periods of ice effect.
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Daily data pages will be decommissioned in early 2026.