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  • EPA Sole Source Aquifers

    Metadata Updated: October 30, 2020

    Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. A national layer, including all available SSA coverages, is available for use in GIS. This layer includes the GIS polygons for SSAs. In addition to single SSA designated area polygons, some EPA regional offices have delineated GIS layers for: * Streamflow zones * Aquifer recharge areas * Other features at the land surface important for SSA designations. The SSA geospatial data set is available through Data.gov for use by government agencies, private organizations, and the public.

    Access & Use Information

    License: U.S. Government Work

    Downloads & Resources

    Dates

    Metadata Date October 21, 2020
    Metadata Created Date August 9, 2017
    Metadata Updated Date October 30, 2020
    Reference Date(s) August 1, 2020 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from Environmental Dataset Gateway FGDC CSDGM

    Additional Metadata

    Resource Type Dataset
    Metadata Date October 21, 2020
    Metadata Created Date August 9, 2017
    Metadata Updated Date October 30, 2020
    Reference Date(s) August 1, 2020 (publication)
    Responsible Party U.S. Environmental Protection Agency, Office of Water (Point of Contact)
    Contact Email
    Access Constraints Use Constraints: None., Access Constraints: None.
    Bbox East Long -12.68151645
    Bbox North Lat 61.7110157
    Bbox South Lat 6.65223303
    Bbox West Long -138.21454852
    Coupled Resource
    Frequency Of Update asNeeded
    Guid
    Harvest Object Id 081b82f3-2e1c-40a9-90e0-94fac657aefc
    Harvest Source Id d0d72986-7693-406b-b71d-840540909711
    Harvest Source Title Environmental Dataset Gateway FGDC CSDGM
    Licence https://edg.epa.gov/EPA_Data_License.htm
    Licence Url https://edg.epa.gov/EPA_Data_License.htm
    Metadata Language
    Metadata Type geospatial
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True

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