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National Sole Source Aquifer GIS Layer

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
15 August 2015
Modified Date
15 August 2015
Update Frequency
asNeeded
Publishers
U.S. Environmental Protection Agency
Identifier
national-sole-source-aquifer-gis-layer
Landing Page
http://catalog.data.gov/dataset/national-sole-source-aquifer-gis-layer

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Description

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

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/national-sole-source-aquifer-gis-layer Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • There are

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

  • The content is available under

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • This data contains

    no data about individuals Do you think this data is incorrect? Let us know

Practical Information

  • The data appears in this collection

    http://catalog.data.gov/organization/epa-gov Do you think this data is incorrect? Let us know

  • This data changes

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  • The data is

    backed up offsite Do you think this data is incorrect? Let us know

Technical Information

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  • Find out how to contact someone about this data at

    http://catalog.data.gov/dataset/national-sole-source-aquifer-gis-layer Do you think this data is incorrect? Let us know

  • Find out how to suggest improvements to publication at

    http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/national-sole-source-aquifer-gis-layer Do you think this data is incorrect? Let us know

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