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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 (2 sites) |
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Streamflow, ft³/s (295 sites) |
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Gage height, ft (290 sites) |
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Groundwater level above NGVD 1929, ft (1 sites) |
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Groundwater level above NAVD 1988, ft (31 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (9 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (2 sites) |
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Stream water level elevation above NGVD 1929, in ft (6 sites) |
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Stream water level elevation above NAVD 1988, in ft (29 sites) |
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Depth to water level, ft below land surface (136 sites) |
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Mean Stream velocity from field sensor, ft/s (1 sites) |
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Mean Stream velocity, ft/s (10 sites) |
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Groundwater flow direction, true north azimuth, degrees (1 sites) |
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Groundwater flow velocity, ft/day (1 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 (84 sites) |
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Oxidation reduction potential, mV (1 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (44 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (36 sites) |
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pH, water, unfiltered, field, standard units (26 sites) |
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Phosphate, water, unfiltered, mg/L (1 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (2 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (8 sites) |
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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, ug/L (5 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (9 sites) |
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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, relative fluorescence units, RFU (4 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 (6 sites) |
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Orthophosphate, water, in situ, mg/L as phosphorus (7 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (29 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (21 sites) |
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, mg/L (9 sites) |
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Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, estimated by regression equation, mg/L (3 sites) |
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Phosphorus, water, unfiltered, estimated by regression equation,mg/L as phosphorus (3 sites) |