Posted on: February 21, 2017

Survey of Wells in Yavapai and Coconino

AZ Dept. Water Resources

Arizona Department of Water Resources will survey wells in parts of Yavapai and Coconino Counties


Phoenix- March 10, 2017 - Beginning in early March, the Arizona Department of Water Resources will be making an extensive effort to measure water levels in wells in the Prescott Active Management Area and the Verde Basin (see attached map).

Every year the Department’s field services technicians collect water levels in a statewide network of about 1,600 to 1,800 “index” wells that have typically been measured annually over the last several decades.  There are roughly 250 groundwater index wells measured annually or semi-annually in the Prescott AMA/Verde Basin region. 


During the remainder of the 2017 field season Water Resources staff will measure several hundred wells in the Prescott AMA/Verde River basin area in addition to those 250 index wells. 


This 2017 survey of area wells – or basin “sweep,” as it is known -- will be the first such basin survey of the area since 2009. The data collected will be analyzed and used to obtain a comprehensive overview of the groundwater conditions and used to support scientific and water management planning efforts.


Frequently Asked Questions about basin surveys:

What will the ADWR do with the data?

The department uses the information from the basin survey to develop water level maps to support scientific, planning and management studies of the basin’s aquifer system.

The department produces invaluable “Hydrologic Map Series” reports, and “Water Level Change” reports which show groundwater conditions statewide.

What if well owners don’t want the ADWR measuring their well depth?

Participation and cooperation with the department’s basin survey is entirely voluntary.

The data collected from basin surveys has proved valuable to property owners and lessees just as much as it is to state and municipal water planners.

Why here? And why now?

Historically, the department measures its index wells in the Prescott/Chino Valley/Verde Basin area in the late winter/early spring. During this time, the water levels in the aquifer have typically recovered from the previous summer “pumping” levels and represent a more “static” condition which gives a more representative picture of what’s happening with the aquifers in the area.

Do well owners and lessees get to review the data?

Arizona Department of Water Resources data are all public records. Data collected should be available by early to mid-summer. As maps are completed, the data will be available via the department’s website at azwater.gov. The department’s Groundwater Site Inventory (GWSI) well database is available at: https://gisweb.azwater.gov/waterresourcedata/GWSI.aspx

For more information regarding this matter, please contact Doug MacEachern, Communications Administrator, at dmaceachern@azwater.gov or (602) 771-8507.

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