Revised On: Nov. 19, 2023 - 12:30 p.m.

20-Year Overview of the ADEQ Ambient Groundwater Monitoring Program (1995 – 2015) 
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15-Year Overview of the ADEQ Ambient Groundwater Monitoring Program (1995 – 2009) 

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Agua Fria Basin (2004 – 2006) 

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Aravaipa Canyon Basin (2003)
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Avra Valley Sub-Basin (1998 – 2001) 

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Big Sandy Basin (2003 – 2004) 

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Bill Williams Basin (2003 – 2009) 

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Butler Valley Basin (2008 – 2012) 

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Cienega Creek Basin (2000 – 2001) 

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Detrital Valley Basin (2002) 

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Douglas Basin (1995 – 1996) 

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Dripping Springs Wash Basin (2004 – 2005) 

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Fort Valley Septic Study (1997) 

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Gila Bend Basin(2012 – 2015)

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Gila Valley Sub-Basin (2004) 

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Harquahala Basin (2009 – 2014)

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Hualapai Valley Basin (2000)

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Lake Mohave Basin (2003)

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Lower San Pedro Basin (2000) 

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Lower Gila Basin (2013 - 2017)

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McMullen Valley Basin (2008 – 2009) 

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Meadview Basin (2000 – 2003) 

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Pinal Active Management Area (2005 – 2006) 

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Prescott Active Management Area (1997 – 1998) 

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Ranegras Plain Basin (2008 – 2011) 

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Sacramento Valley Groundwater Basin (1999) 

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Salt River Basin (2001-2015)

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San Bernardino Valley Basin (2002) 

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San Rafael Basin (2002) 

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San Simon Sub-Basin (2002) 

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Sierra Vista Basin (1996) (in conjunction with the USGS) 

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Tiger Wash Basin (2014) 

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Tonto Creek (2002 – 2012) 

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Upper Hassayampa Basin (2003 – 2009) 

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Virgin River Basin (1997) 

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Western Mexican Drainage Basin (2016 - 2017)

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Willcox Basin (1999) 

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Yuma Basin (1995) 

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