Water Data for Texas (TWDB)
Texas Water Development Board's single-access-point platform for real-time and historical conditions of 122+ major water-supply reservoirs (level, storage, surface area, elevation-area-capacity), plus coastal bays and estuaries freshwater inflow data. Widely used for Texas drought and supply monitoring.
waterdatafortexas.org
At a glance
- Region
- United States (North America)
- Coverage
- State-wide (Texas)
- Access
- Free
- Category
- Government
What's inside
- Reservoir Levels
- Reservoir Storage
- Freshwater Inflow
- Drought
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: Reservoir Levels
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Drought indices
Track SPI and SPEI style indices for declarations and relief.
Because it has: Drought
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
Onset forecasts
Predict drought onset months ahead from climate signals.
Machine access and documentation
Open API
Machine-readable endpoint on waterdatafortexas.org
Licence: Open data; Texas public information
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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- Oregon Near Real-Time Hydrographics DataNorth America | Free
- USACE CWMS Data (RADAR) Public ServicesNorth America | Free
- USACE CWMS Data API (CDA) - Public Water Resources DataNorth America | Free
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