USACE Water Data Portal
US Army Corps of Engineers national water data platform with interactive mapping of dams, rivers and streamgages plus water management, resources and quality data.
water.usace.army.mil
At a glance
- Region
- United States (North America)
- Coverage
- National
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- Reservoir levels
- Streamflow
- Dams
- Water quality
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
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water quality
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
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
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- Minnesota DNR/MPCA Cooperative Stream GagingNorth America | Free
- Oregon Near Real-Time Hydrographics DataNorth America | Free
- South Florida Water Management District DBHYDRO InsightsNorth America | Free
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