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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 (1 sites) |
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Streamflow, ft³/s (265 sites) |
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Gage height, ft (276 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (3 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (1 sites) |
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Estuary or ocean water surface elevation above NAVD 1988, ft (36 sites) |
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Stream water level elevation above NGVD 1929, in ft (1 sites) |
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Stream water level elevation above NAVD 1988, in ft (1 sites) |
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Depth to water level, ft below land surface (240 sites) |
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Mean Stream velocity from field sensor, ft/s (7 sites) |
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Mean Stream velocity, ft/s (2 sites) |
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Water level elevation above NAVD 1988, corrected for barometric pressure, ft (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 (128 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (90 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (61 sites) |
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pH, water, unfiltered, field, standard units (68 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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Crude oil relative fluorescence (fCO), water, in situ, 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 (81 sites) |
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UV fluorescence, water, in situ, 250-260nm excitation, 325-375nm emission, relative fluorescence units (RFU) (1 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (16 sites) |