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FreeGovernmentUnited States, North America
USFWS National Wetlands Inventory: Wetlands Mapper
Interactive Wetlands Mapper and seamless wetlands data services for the United States, providing on-the-fly viewing plus geospatial download of NWI wetland classification polygons by watershed or state.
fws.gov
At a glance
- Region
- United States (North America)
- Coverage
- United States
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- wetland inventory
- wetland polygons
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: wetland inventory
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Operations
Support release and supply decisions.
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
Shrinkage alerts
Detect water bodies that are drying or being encroached.
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