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USACE Access2Water API

provides a subset of the USACE Corps Water Management System (CWMS) API specifically focused on water control management data. This is a proxy of the CWMS API into the OGC API EDR format.

open data

Data Queries

Query Name Query Location
locations https://api.wwdh.internetofwater.app/collections/usace-edr/locations
cube https://api.wwdh.internetofwater.app/collections/usace-edr/cube
area https://api.wwdh.internetofwater.app/collections/usace-edr/area
items https://api.wwdh.internetofwater.app/collections/usace-edr/items
Note: EDR Queries may require query parameters not provided in the Query Location.

Parameter Groups

Elevation (2 matches)
id name units
Elevation Elevation
Elevation		 ft
Elevation Tailwater Elevation Tailwater
Elevation Tailwater		 ft
Equipment (1 matches)
id name units
Voltage Voltage
Voltage		 V
Evaporation (1 matches)
id name units
Evaporation Evaporation (in)
Evaporation		 in
Inorganic Analytes (1 matches)
id name units
Dissolved Oxygen Dissolved Oxygen
Dissolved Oxygen		 ppm
Irradiance (1 matches)
id name units
Irradiance Irradiance
Irradiance		 langley/min
Lake/Reservoir Elevation (1 matches)
id name units
Elevation Rule Curve Elevation Rule Curve
Elevation Rule Curve		 ft
Lake/Reservoir Inflow (1 matches)
id name units
Inflow Lake/Reservoir Inflow
Inflow		 ft³/s
Lake/Reservoir Outflow (2 matches)
id name units
Outflow Outflow
Outflow		 ft³/s
Surcharge Release Surcharge Release
Surcharge Release		 ft³/s
Lake/Reservoir Storage (4 matches)
id name units
Conservation Storage Conservation Storage
Conservation Storage		 acre·ft
Flood Storage Flood Storage
Flood Storage		 acre·ft
Percent Flood Pool Percent Flood Pool
Percent Flood Pool		 %
Percent Conservation Pool Percent Conservation Pool
Percent Conservation Pool		 %
Power Generation (2 matches)
id name units
Stage Tailwater Stage Tailwater
Stage Tailwater		 ft
Power Generation Power Generation
Power Generation		 MW·h
Precipitation (1 matches)
id name units
Precipitation Precipitation
Precipitation		 in
Stream Stage / Gage Height (current/historical) (2 matches)
id name units
Stage Stage
Stage		 ft
Stage Tailwater Stage Tailwater
Stage Tailwater		 ft
Water Temperature (1 matches)
id name units
Water Temperature Water Temperature
Water Temperature		 °F
Weather Data (3 matches)
id name units
Air Temperature Air Temperature
Air Temperature		 °F
Wind Speed Wind Speed
Wind Speed		 mi/h
Wind Direction Wind Direction
Wind Direction		 °

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