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The OWRD Groundwater Information System (GWIS) allows you to explore subsurface data managed by the state.
The GWIS is a database housing information pertaining to “groundwater sites”, which are dominantly a cross-referenced subset
of the well report database (approximately 10%). In addition to these well locations, the GWIS also includes some spring locations, outcrop sample
locations, and stratigraphic section locations.
Data and information associated with groundwater sites may include:
- Location with horizontal and vertical error estimates
- Measured water levels
- Cross-reference well logs for the same site
- Cross-referenced water rights information for the same site (POA)
- Lithologic data (digitized from well logs)
- Stratigraphic interpretation
- Well construction data (digitized from well logs)
- Well pumping test data (reported) - planned
- Recorder water level
- Geochemistry
- Flow meter/power meter
- Cross-referenced reported water use and water level data - planned
DISCLAIMER
Because information in the GWIS comes from a variety of sources, OWRD cannot guarantee the reliability of all data. Field data-collection
procedures used by OWRD staff parallel those outlined in Groundwater Technical Procedures of the U.S. Geological Survey
(Cunningham and Schalk, 2001). Data from sources other than the OWRD or the U.S. Geological Survey may not have been
collected using these protocols. The Groundwater Section periodically reviews recent data collected by OWRD staff and classifies the quality
and accuracy of individual data elements; however, much historic data collected by the Department has not been thoroughly reviewed. Data from
outside sources is only reviewed and classified as time permits.
For these reasons, the Department cannot, and does not, accept any responsibility for errors, omissions, or accuracy of information in the GWIS.
There are no warranties, expressed or implied, including the warranty of merchantability or fitness for a particular purpose, accompanying this
information. However, notification of any errors would be appreciated.
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