Water Level/Flow Parameters
Reservoir storage, acre-ft (6 sites)
Streamflow, ft³/s (1064 sites)
Elevation of reservoir water surface above datum, ft (2 sites)
Gage height, ft (294 sites)
Groundwater level above NAVD 1988, ft (5 sites)
Lake or reservoir water surface elevation above NGVD 1929, ft (30 sites)
Lake or reservoir water surface elevation above NAVD 1988, ft (2 sites)
Stream water level elevation above NGVD 1929, in ft (2 sites)
Depth to water level, ft below land surface (11 sites)
Streamflow, tidally filtered, ft³/s (3 sites)
Gage height, above datum, m (1 sites)
Water Quality Parameters
Temperature, water, °C (161 sites)
Temperature, water, °F (1 sites)
Total partial pressure of dissolved gases, water, unfiltered, mmHg (7 sites)
Total partial pressure of dissolved gases, water, unfiltered, percent of saturation (15 sites)
Specific conductance, water, unfiltered, µS/cm at 25 °C (27 sites)
Dissolved oxygen, water, unfiltered, mg/L (21 sites)
pH, water, unfiltered, field, standard units (20 sites)
Salinity, water, unfiltered, parts per thousand (1 sites)
Chlorophyll, total, water, fluorometric, 650-700 nanometers, in-situ sensor, µg/L (2 sites)
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (42 sites)
Turbidity, water, unfiltered, monochrome near infra-red LED light source, 780-900 nm, detection angle 0 degrees to incident light (backscatter), FBU (3 sites)
Suspended sediment concentration, mg/L (45 sites)
Suspended sediment discharge, tons/day (45 sites)
Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, tons/day (1 sites)
Nitrate plus nitrite, water, in situ, mg/L as N (3 sites)
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