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  • National Sole Source Aquifer GIS Layer

    Metadata Updated: July 16, 2017

    This data set contains indexes and Esri shape files of boundaries of the designated sole source aquifers and related aquifer boundaries. Data provide a vector polygon GIS layer showing available materials representing extents at the land surface related to 78 designated Sole Source Aquifers (SSA) related to announcements in the Federal Register. GIS coverages for SSAs were obtained from EPA Regions 1, 2, 3, 4, 5, 6, 8, 9, and 10 for a baseline period in September of 2009. Each SSA polygon was checked against the Federal Register (FR) determination for that SSA. These coverages were appended, in order to create a national seamless coverage of SSAs. There are 89 GIS polygons for the Sole Source Aquifers, since in addition to a single SSA designated area polygons, some Regions have delineated GIS layers for streamflow zones, aquifer recharge areas, and other features at the land surface important for the SSA designations. GIS materials are not available at this time for the St. Joseph SSA in Indiana [53 FR 23682 (1988)]. Additional information can be found at: https://edg.epa.gov/data/Public/OW/SSA_FR_notices_DWMA_Sept2009.Zip and https://edg.epa.gov/data/Public/OW/SSA_IDS_revd.xls

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Date July 14, 2017
    Metadata Created Date June 3, 2017
    Metadata Updated Date July 16, 2017
    Reference Date(s) March 17, 2011 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from Environmental Dataset Gateway FGDC CSDGM

    Additional Metadata

    Resource Type Dataset
    Metadata Date July 14, 2017
    Metadata Created Date June 3, 2017
    Metadata Updated Date July 16, 2017
    Reference Date(s) March 17, 2011 (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 53668c1e-d8be-4900-ba80-11ec0db5c205
    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 underDevelopment
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True

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