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  • Wastewater

    Prescription Drug Disposal

    Information about how and where to properly dispose of prescription medication.

    Regional Optimization Master Plan (ROMP)

    ROMP is a master plan to allow the Pima County Regional Wastewater Reclamation Department (RWRD) to meet environmental regulatory requirements. RWRD is working to meet new environmental requirements mandated by the Arizona Department of Environmental Quality (ADEQ). ADEQ regulates our activities and the way we convey and treat the community's sewage.

    Septic Systems Program

    PDEQ is authorized to review and approve plans for on-site wastewater treatment and disposal systems in order to ensure they are designed in accordance with Aquifer Protection Permit (APP) Rules.  This approval is called a "Construction Authorization."

    Wastewater Conveyance

    The Conveyance Division manages the operation of the sanitary sewerage conveyance system of Pima County. Conveyance Division Field Operations provides for the administration, inspection, and cleaning of Pima County's public sanitary sewage conveyance systems.

    Wastewater Treatment

    The Treatment Division operates and maintains the treatment facilities that receive, treat, and dispose of over 64 million gallons of sanitary sewage per day (mgd). Two major facilities handle sewage from the metropolitan Tucson area, and six facilities serve remote areas scattered across the sanitary sewage system of eastern Pima County.

    Water Quality Research

    Developing water quality criteria for the Arid West.

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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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