Colorado DWR CDSS REST Web Services (HydroBase)
Colorado Division of Water Resources Decision Support System REST API serving HydroBase data: real-time and historical streamflow, surface water and groundwater station readings, reservoir levels, diversions, water rights, structures, and administrative call analysis. One of the most complete state water web services in the US.
dwr.state.co.us
At a glance
- Region
- United States (North America)
- Coverage
- State-wide (Colorado)
- Access
- Free
- Category
- Government
What's inside
- Streamflow
- Groundwater Levels
- Reservoir Levels
- Water Rights
- Diversions
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: Groundwater Levels
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Design flows
Estimate 1-in-50 and 1-in-100 year floods for bridges, culverts and spillways.
Because it has: Streamflow
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Flow forecasting
Train LSTM-style models on past records to forecast river levels and flow days ahead.
Machine access and documentation
Open API
Machine-readable endpoint on dwr.state.co.us
Licence: Open data / public domain
Listed in our registry of open water APIs, which WaterDataGPT can query live.
Related water data
- Colorado DSS / CDSS Data and ToolsNorth America | Free
- Colorado HydroBase / CDSSNorth America | Free
- Idaho Department of Water Resources Open DataNorth America | Free
- Oregon Near Real-Time Hydrographics DataNorth America | Free
- South Florida Water Management District DBHYDRO InsightsNorth America | Free
- Southwest Florida Water Management District Hydrologic DataNorth America | Free
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