U.S. Census Bureau TIGERweb areal hydrography
January 1, 2025 vintage- Data
- Official mapped polygons for substantial lakes, reservoirs, rivers, bays, and coastal water, measured from the place representative point to the shoreline.
- What it tells us
- Establishes that physical water exists nearby; it does not establish legal shoreline access, water quality, recreation suitability, or current conditions.