ADEQ Sewer Approval (private, Marana and Sahuarita)

HB2212 Required Language for Pima County Permit, License, and Application Forms


Note: for projects including RWRD sewers, please use consolidated RWRD/ADEQ process

Administrative Review Requirements

Application package shall consist of:

Substantive Review Requirements

  • Plans and specifications must conform to A.A.C Title 19 Chapter 9 and RWRD design requirements (per A.A.C. R18-9-E301)
  • Plans and profiles for all sewer lines, manholes, force mains, depressed sewers, and lift stations
  • Cross sections showing construction details and elevations
  • Slope of each gravity sewer segment stated as a percentage
  • Drainage features and controls, and erosion protection
  • Horizontal and vertical location of utilities within the area affected by the sewer line construction
  • Manhole numbers shall start from the most downstream manhole and increase upstream
  • Label sewers as public or private
  • Current and proposed conditions such as topography, property boundaries, easements, hardscape, utilities (water, gas, etc.), and manhole rims and inverts, along with pipe slopes
  • Existing and proposed pump/lift stations and force mains
  • Public sewer easements
  • For commercial/industrial projects provide wastewater fixture unit equivalent calculations, shown in tabular form. Include the number, size and location of all proposed and existing water meters
  • Point of connection of new systems to the existing systems, the manhole rim and pipe invert elevations of the existing and proposed public sewers
  • Calculations to justify system integrity (i.e. sewer depth) and scour analysis (i.e. wash crossings)


  • Applicant  emails application package to, provides FTP link or USB drive (if site addressing is desired, it can be combined in this request)
  • If corrections are required, Pima County will follow-up directly with applicant
  • Prior to approval, Pima County will email applicant invoice
  • Upon applicant payment of invoice, Pima County will email applicant approved plans/ADEQ Construction Authorization and copy municipality
  • If municipality is requesting modifications to plans following Pima County approval, applicant is responsible for following up with Pima County regarding changes affecting approved sewer design
  • Upon completion of construction and receipt of appropriate certificates, Pima County will issue DA
  • Process for unincorporated County is imbedded in site construction permit

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