Pima County Department of Environmental Quality (PDEQ), committed to providing effective and efficient service, is responsible for regulating and enforcing four major program established to protect and enhance our surface water and groundwater resources. These programs include Wastewater Systems, Drinking Water Systems, Stormwater Management (pollution prevention), and Private Well Monitoring near the TIAA Superfund Site.
PDEQ’s regulatory and enforcement authority is established pursuant to applicable provisions of the Arizona Revised Statutes, Arizona Administrative Code, Pima County Code, federal environmental statutes and by delegation of specified state functions and duties from the Arizona Department of Environmental Quality.
Special Notice: Starting June 20, 2016, PDEQ will begin a new procedure for invoicing plans received by the department for review. The updated plan review procedure affects submittals for sewer projects, water projects, and the approval of sanitary facilities for subdivision projects.