National Lakes Assessment (NLA) 2022 data, National Aquatic Resource Surveys
U.S. Environmental Protection Agency, Office of Water
- License
- Public domain
- Commercial
- Yes
- Format
- CSV
- Coverage
- Conterminous United States (sampled lakes)
- Last updated
- Added to findgis 31 Oct 2026 · Update frequency Irregular
Tags
Site visits measure water chemistry, biology and recreational indicators at randomly chosen lakes, ponds and reservoirs. Earlier cycles back to 2007 are included for comparison.
Source and attribution
- Publisher
- U.S. Environmental Protection Agency, Office of Water
- License
- Public domain
- Commercial use
- Yes
- Attribution required
- No
- Modification allowed
- See publisher
- Redistribution allowed
- See publisher
- Share-alike
- No
- Region
- United StatesUS
- Type
- Vector
- Time
- 2007–2022
- Extent
- -179.217.6-64.571.4West, south, east, north. Approximate region extent.
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