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Station name |
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Date and time |
Water Level/Flow Parameters |
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Reservoir storage, acre-ft (23 sites) |
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Streamflow, ft³/s (617 sites) |
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Elevation of reservoir water surface above datum, ft (2 sites) |
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Gage height, ft (644 sites) |
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Streamflow, gal/min (2 sites) |
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Groundwater level above NAVD 1988, ft (393 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (29 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (19 sites) |
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Stream water level elevation above NGVD 1929, in ft (3 sites) |
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Stream water level elevation above NAVD 1988, in ft (250 sites) |
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Depth to water level, ft below land surface (473 sites) |
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Streamflow, tidally filtered, ft³/s (61 sites) |
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Mean Stream velocity from field sensor, ft/s (7 sites) |
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Mean Stream velocity, ft/s (67 sites) |
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Water level elevation above NAVD 1988, corrected for barometric pressure, ft (3 sites) |
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Evapotranspiration total, mm (2 sites) |
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Long-term mean daily streamflow, ft³/s |
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Long-term median daily streamflow, ft³/s |
Water Quality Parameters |
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Temperature, water, °C (255 sites) |
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Temperature, water, °F (1 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (157 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (92 sites) |
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Dissolved oxygen, water, unfiltered, %saturation (32 sites) |
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pH, water, unfiltered, field, standard units (77 sites) |
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Salinity, water, unfiltered, parts per thousand (20 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, single band excitation, fluorescence emission, ppb QSE (27 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (8 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (31 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (1 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (1 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, fluorometric method, relative fluorescence units (RFU) (1 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (129 sites) |
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Residue, water, filtered, sum of constituents, mg/L (1 sites) |
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Suspended sediment particles between 0.50 to 16.00 microns, water, unfiltered, computed by regression equation, count/L (1 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 135-180 degrees, SDVB (SBU) (6 sites) |
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Salinity, water, in situ, tidally filtered, practical salinity units at 25 °C (12 sites) |
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Suspended sediment concentration, mg/L (7 sites) |
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Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, tons/day (4 sites) |
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Suspended sediment concentration, water, unfiltered, at a fixed point in stream, estimated by a regression equation with turbidity, mg/L (6 sites) |
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Bedload transport rate of coarse fraction greater than 8 mm, computed by regression equation, Mg/day (1 sites) |
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Salinity, water, unfiltered, practical salinity units at 25 °C (20 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (25 sites) |
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, mg/L (31 sites) |