USACE National Inventory of Dams (NID)
Official US Army Corps of Engineers database of all known dams in the United States with over 70 data fields including location, size, purpose, inspection history, and flood inundation mapping
nid.sec.usace.army.mil
At a glance
- Region
- United States (North America)
- Coverage
- National (90,000+ dams)
- Access
- Free
- Category
- Government
What's inside
- Dam Inventory
- Flood Inundation Maps
- Dam Safety
- Water Infrastructure
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: Dam Inventory
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Hazard maps
Map flood-prone areas and who and what is exposed.
Because it has: Flood Inundation Maps
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
Flood extent from SAR
Segment flooded areas in radar imagery, even through cloud.
Machine access and documentation
Open API
NID public API https://nid.sec.usace.army.mil/api
Licence: US federal public domain
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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