Arizona Department of Health Services

List of Arizona Certified Commercial Drinking Water Laboratories  

The following commercial laboratories are licensed by the Office of Laboratory Services to perform drinking water testing for Arizona. The list contains the laboratories current mailing address and contact information. Please note that not all commercial laboratories perform all drinking water testing. This list is current as of Thursday, July 18, 2024 and is updated on a 24 hour basis by the Department.

Arizona offers in-state laboratories the option to license multiple laboratories under a single license number. Therefore if you see the same laboratory name located in the same city with different area codes and phone numbers it means that only one of the laboratories is located in the city listed and the other is located in another part of the state.

All laboratories licensed by Arizona are inspected on a routine basis. Inspection reports and responses are available for review by contacting our office.

If you are interested in obtaining a list of laboratories that perform testing in additional matrices or need additional information, please contact our Office at (602) 364-0720.


 Lab NamePhoneCityState
SelectMohave Environmental Labs(928) 754-8101Bullhead CityAZ
SelectRadiation Safety Engineering, Inc.(480) 897-9459ChandlerAZ
SelectInner Basin Environmental, LLC928-440-5168FlagstaffAZ
SelectNortest Analytical(928) 774-2312FlagstaffAZ
SelectMohave Environmental Labs(928) 754-8101HolbrookAZ
SelectStatewide Laboratory(480) 981-8859MesaAZ
SelectLegend Technical Services of AZ, Inc.(602) 324-6103PhoenixAZ
SelectInter Ag Services(602) 273-7248PhoenixAZ
SelectMotzz Laboratory, Inc.(602) 454-2376PhoenixAZ
SelectEurofins Environment Testing Southwest(602) 437-3340PhoenixAZ

Laboratory Facility Detail:


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