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This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

Map of Arsenic concentrations in groundwater of the United States

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 March 2013
Modified Date
17 November 2014
Update Frequency
notPlanned
Publishers
U.S. Geological Survey, Department of the Interior
Identifier
map-of-arsenic-concentrations-in-groundwater-of-the-united-states
Landing Page
http://catalog.data.gov/dataset/map-of-arsenic-concentrations-in-groundwater-of-the-united-states
Temporal Coverage
1 January 1973 — 30 March 2000

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Description

The map graphic image at http://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about 31,000 wells and springs in 49 states compiled by the United States Geological Survey (USGS). The map graphic illustrates an updated version of figure 1 from Ryker (2001). Cited Reference: Ryker, S.J., Nov. 2001, Mapping arsenic in groundwater-- A real need, but a hard problem: Geotimes Newsmagazine of the Earth Sciences, v. 46 no. 11, p. 34-36 at http://www.agiweb.org/geotimes/nov01/feature_Asmap.html. An excel tabular data file, a txt file, along with a GIS shape file of arsenic concentrations (20,043 samples collected by the USGS) for a subset of the sites shown on the map. Samples were collected between 1973 and 2001 and are provided for download.

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/map-of-arsenic-concentrations-in-groundwater-of-the-united-states 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/usgs-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/map-of-arsenic-concentrations-in-groundwater-of-the-united-states 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/map-of-arsenic-concentrations-in-groundwater-of-the-united-states Do you think this data is incorrect? Let us know

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