Station name
Date and time
Water Level/Flow Parameters
Streamflow, ft³/s (372 sites)
Elevation of reservoir water surface above datum, ft (8 sites)
Gage height, ft (328 sites)
Groundwater level above NAVD 1988, ft (3 sites)
Lake or reservoir water surface elevation above NGVD 1929, ft (5 sites)
Lake or reservoir water surface elevation above NAVD 1988, ft (9 sites)
Estuary or ocean water surface elevation above NAVD 1988, ft (13 sites)
Stream water level elevation above NAVD 1988, in ft (161 sites)
Depth to water level, ft below land surface (92 sites)
Streamflow, tidally filtered, ft³/s (1 sites)
Mean Stream velocity, ft/s (4 sites)
Long-term mean daily streamflow, ft³/s
Long-term median daily streamflow, ft³/s
Water Quality Parameters
Temperature, water, °C (41 sites)
Specific conductance, water, unfiltered, µS/cm at 25 °C (18 sites)
Dissolved oxygen, water, unfiltered, mg/L (27 sites)
pH, water, unfiltered, field, standard units (17 sites)
Salinity, water, unfiltered, parts per thousand (5 sites)
Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (2 sites)
Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (2 sites)
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (11 sites)
Nitrite, water, in situ, mg/L as N (1 sites)