| Water Level/Flow Parameters |
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Streamflow, ft³/s (707 sites) |
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Gage height, ft (25 sites) |
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Groundwater level above NGVD 1929, ft (79 sites) |
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Groundwater level above NAVD 1988, ft (11 sites) |
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Lake or reservoir water surface elevation above NGVD 1929, ft (34 sites) |
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Lake or reservoir water surface elevation above NAVD 1988, ft (12 sites) |
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Estuary or ocean water surface elevation above NGVD 1929, ft (27 sites) |
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Estuary or ocean water surface elevation above NAVD 1988, ft (3 sites) |
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Stream water level elevation above NGVD 1929, in ft (1 sites) |
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Depth to water level, ft below land surface (119 sites) |
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Elevation above NGVD 1929, ft (10 sites) |
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Streamflow, tidally filtered, ft³/s (3 sites) |
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Lake or reservoir elevation above International Great Lakes Datum (IGLD), ft (20 sites) |
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Lake or reservoir elevation above New York State Barge Canal Datum (NYBCD), ft (1 sites) |
| Water Quality Parameters |
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Temperature, water, °C (126 sites) |
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Temperature, water, °F (1 sites) |
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Specific conductance, water, unfiltered, µS/cm at 25 °C (76 sites) |
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Dissolved oxygen, water, unfiltered, mg/L (46 sites) |
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Dissolved oxygen, water, unfiltered, %saturation (1 sites) |
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pH, water, unfiltered, field, standard units (1 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, single band excitation, fluorescence emission, ppb QSE (3 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, RFU (4 sites) |
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Chlorophyll a, estimated, water, in-situ, in-vivo fluorescence, concentration estimated from reference material, µg/L (7 sites) |
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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, ug/L (1 sites) |
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Phycocyanins (cyanobacteria), water, in situ, fluorometric method, excitation at 590 +-15 nm, emission at 685 +-20 nm, µg/L (3 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 (3 sites) |
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Colored dissolved organic matter (CDOM), water, in situ, fluorometric method, relative fluorescence units (RFU) (3 sites) |
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Phycoerythrin fluorescence (fPE), water, in situ, relative fluorescence units (RFU), RFU (1 sites) |
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Phycoerythrin fluorescence (fPE), water, in situ, concentration estimated from reference material, µg/L as phycoerythrin (1 sites) |
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in-situ sensor, µg/L (3 sites) |
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU (58 sites) |
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Suspended sediment concentration, mg/L (27 sites) |
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Suspended sediment discharge, tons/day (27 sites) |
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Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, tons/day (17 sites) |
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Salinity, water, unfiltered, practical salinity units at 25 °C (12 sites) |
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Nitrate plus nitrite, water, in situ, mg/L as N (2 sites) |
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Nitrite, water, in situ, mg/L as N (3 sites) |
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, mg/L (19 sites) |
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Turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 90 +/- 30 degrees to incident light, nephelometric turbidity units (NTU) (2 sites) |
