Data and Tools
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Metadata Water Quality
EPA's STORET Water Quality Monitoring and Data Summaries for CONUS
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Metadata County Boundaries
Counties and County Equivalents Boundaries in the United States for BASINS
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Metadata State Boundaries
State Boundaries in the United States for BASINS
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Metadata Major Roads
Metadata - DOT/FHA Major Roads for CONUS, Alaska, and Hawaii in BASINS
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Metadata National Elevation Dataset (NED)
USGS 30 Meter Resolution, One-Sixtieth Degree National Elevation Dataset for CONUS, Alaska, Hawaii, Puerto Rico, and the U. S. Virgin Islands
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Metadata DEM
USGS 300 Meter Resolution, 1-Degree Digital Elevation Models (DEM) for CONUS, Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands
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Metadata Reach File 1
Metadata US Reach File 1 (RF1) for the Conterminous United States in BASINS
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BASINS Metadata
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.
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WASP
WASP is maintained through this website.
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Metadata Permit Compliance System (PCS)
EPA/OW Permit Compliance System for BASINS Version 3 in CONUS
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Metadata Urbanized Areas
1990 Tiger Urbanized Areas / Polygons for CONUS, Alaska, and Hawaii in BASINS
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Metadata Populated Place Locations
Populated Place Point Locations for CONUS, Alaska, and Hawaii in BASINS
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Metadata EPA Regional Boundaries
USEPA Regional Boundaries in the United States for BASINS
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Metadata (GIRAS)
1:2500 Scale Quadrangles of Land use / Land cover GIRAS Spatial Data of CONUS in BASINS
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Metadata Ecoregions
Level III Ecoregions of the Conterminous United States in BASINS
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Dynamometer Drive Schedules
This page provides the chassis dynamometer driving schedules and shift schedules used by EPA for vehicle emissions and fuel economy testing.
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SERAFM Release Notes
Release notes for SERAFM (Spreadsheet-based Ecological Risk Assessment for the Fate of Mercury) versions 1.0.2 to 1.0.4
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Point-of-Use/Point-of-Entry Cost Estimating Tool
WBS model for cost estimating POU and POE drinking water treatment systems.
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SED3D
Notes that the Three-Dimensional Numerical Model of Hydrodynamics and Sediment Transport in Lakes and Estuaries (SED3D) model was archived & is no longer available on the CEAM web site
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OXYREF
The Oxygen Requirements of Fishes (OXYREF) data base has been archived and is no longer available on this website.