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Arizona Department of Water Resources

Protecting & enhancing Arizona’s water supplies for current and future generations.

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Groundwater and Land Subsidence Information

Groundwater Information

GWSI MapThe Arizona Department of Water Resources is the State agency responsible for managing and allocating the State's groundwater supplies.  This is accomplished through data collection, data management, and data analysis, resulting in groundwater policies and management for the entire State, including Active Management Areas and rural groundwater basins.

ADWR has developed interactive maps and a simple search wizard of the Department's entire Groundwater Site Inventory database (GWSI) and Wells Registry database (Wells55) including automated sites and index wells. The interactive map can be used to identify groundwater levels and well information as well as to create custom hydrographs and locate wells around the State.


Land Subsidence Information

Arizona Land Subsidence Interactive MapLand subsidence has been occurring across Arizona since the early 1900s. Millions of people live in active land subsidence areas around the United States, many of whom may not even realize it. Most of the time, there is no clear and identifiable sign that land subsidence has occurred in an area. Areas in Maricopa and Pinal Counties have subsided more than eighteen feet since the early 1900s.

ADWR is the State agency responsible for identifying and monitoring active land subsidence areas around the State.  ADWR is the only State agency in the country that has developed and made available to the public land subsidence maps for the active subsidence features.  ADWR is also the only State agency that has developed and collected extensive statewide satellite data using Synthetic Aperture Radar to identify and monitor these land subsidence areas.

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    • Land Subsidence in Arizona
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  • Groundwater Level Changes

 

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Contact Info

Arizona Department of Water Resources
1110 W Washington Street Suite 310
Phoenix, AZ 85007
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Phone: 602.771.8500 | Fax: 602.771.8689
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