National Water Information System: Web Interface

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USGS Groundwater Data for Arkansas

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(29 sites)

Current conditions at selected sites based on the most recent data from on-site automated recording equipment. Measurements are commonly recorded at a fixed interval of 15- to 60-minutes and transmitted to the USGS every hour. Values may include "Approved" (quality-assured data that may be published) and/or more recent "Provisional" data (of unverified accuracy and subject to revision). Most current data are provisional.

(29 sites)

The same data accessed by the Current Conditions link above but including both active and discontinued sites with data for any part of the period October 1, 2007, through the present. Values may include "Approved" (quality-assured data that may be published) and/or more recent "Provisional" data (of unverified accuracy and subject to revision).

(33 sites)

Summary of all data for each day for the period of record and may represent the daily mean, median, maximum, minimum, and/or other derived value. Values may include "Approved" (quality-assured data that may be published) and/or more recent "Provisional" data (of unverified accuracy and subject to revision). Example.

Statistics
(26 sites)

Statistics are computed from approved daily mean data at each site. These links provide summaries of approved historical daily values for daily, monthly, and annual (water year or calendar year) time periods.

(10,219 sites)
Manual measurements of depth to water in wells.
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Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Groundwater Data for Arkansas
URL: http://waterdata.usgs.gov/ar/nwis/gw?

Page Contact Information: Arkansas Water Data Maintainer
Page Last Modified: 2014-07-14 01:01:14 EDT
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