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  • Public Water Systems Program

    Public Water System Plan Review Program


    In accordance with Arizona Administrative Code (AAC) R18-5-502 through -509, PDEQ is authorized to review and approve plans for water line extensions, modifications, or relocations, as well as new water sources, tanks, or other infrastructure for a Public Water System, in order to ensure that it is constructed in accordance to State standards and engineering guidelines published by the Arizona Department of Environmental Quality (ADEQ) under Engineering Bulletin Number 8 and Number 10.

    More for information, visit Public Water System Plan Review Program

    Public Water System Operation and Maintenance Inspection Program


    A Public Water System (PWS) is defined as a water system which serves 15 or more connections, or 25 or more people, for more than 60 days a year. There are approximately 200 currently identified PWS in Pima County. PDEQ is responsible for inspecting these systems to ensure construction and operation in accordance with ADEQ's Safe Drinking Water rules.

    For more information, visit Public Water System Operation and Maintenance Inspection Program

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    Department of Environmental Quality

    33 N. Stone Ave., Suite 700
    Tucson, AZ 85701

    Phone: (520) 724-7400
    Fax: (520) 838-7432


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