Septic System Transfer Inspectors in Arizona

AAC R18-9-A316 requires a Transfer Inspector to meet the following qualifications:

  1. Possesses working knowledge of the type of facility and the inspection process, AND
  2. Holds a certificate of training from a course recognized by the Department as sufficiently covering the information specified in this Section, AND
  3. Holds a license in one of the following categories:
  • An Arizona-registered engineer
  • An Arizona-registered sanitarian
  • An owner of a vehicle with a human excreta collection and transport license issued under 18 AAC 13 Article 11 or an employee of the owner of the vehicle
  • A contractor licensed by the Registrar of Contractors in one of the following categories:
  1. Residential license B-4 or C-41;
  2. Commercial license A, A-12, or L-41; or
  3. Dual license KA or K-41;
  • A wastewater treatment plant operator certified under 18 AAC 5 Article 1 or
  • A person qualifying under another category designated by the department.

To see the full rule, visit the Arizona Secretary of State Website.

Qualified Inspectors

Kathryn Mills, P.E., MSCE - Principal Engineer
Mills Engineering, LLC and - 480-235-5052

License: Civil Engineer, State of Arizona, No. 31118, Expires 3-31-15
Qualifications and Experience: Over 20 years designing water and wastewater systems including conventional septic systems with chambers, trenches, beds, seepage pits, and treatment systems with textile filters, peat filters, aerobic systems, geotextile filters, drip emitters, pressure dosing, mounds, and Evapotranspiration Beds.
Geographic Area: Maricopa, Pinal, Gila, Yavapai, Coconino, and Pima Counties.

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