Metadata or "data about data" describes the content, quality, condition, and other characteristics of data. Geospatial metadata are critical to data discovery and serves as the fuel for the Geospatial One-Stop data portal.

For up-to-date environmental data, please visit EPA's Envirofacts Data Warehouse. For further information about BASINS data or metadata, please email: basins@epa.gov.

• Spatially Distributed Data in BASINS
• Environmental Monitoring Data in BASINS

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Spatially Distributed Data in BASINS

• Land use/land cover
• Urbanized areas
• Populated place locations
• Reach File Version 1 (RF1)
• Soils (STATSGO) Exit 
• Elevation (DEM)
• National Elevation Dataset (NED)
• Major roads
• USGS hydrologic unit boundaries
• EPA regional boundaries
• State boundaries
• County boundaries
• Federal and Indian Lands  Exit
• Ecoregions

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Environmental Monitoring Data in BASINS

• Water quality monitoring station summaries
• Water quality observation data
• Bacteria monitoring station summaries
• Weather station sites
• USGS gaging stations
• Permit Compliance System (PCS) sites and loadings

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