​​​​​​Phoenix Water and Arizona Department of Environmental Quality (ADEQ) Operator Certification ​

 ADEQ Operator Certification Examination

​The City of Phoenix (COP) Water Services Department (WSD) is now a proctoring agency for the Arizona Department of Environmental Quality (ADEQ) Operator Certification exams. We have entered into a partnership with ADEQ and the Association of Boards of Certifications (ABC). 

ADEQ's Operator Certification Program establishes guidelines to ensure that only certified operators make decisions about process control or system integrity that affects public health. The program establishes minimum standards for certification and re-certification of the operators of drinking water and wastewater systems.

For more information visit: https://azdeq.gov/Operator-Certification​

Exam Criteria:

ABC Criteria documents (2017 edition).

Review requirements to pass the exams.

“As of July 1, 2016, anyone who passes an operator certification exam must submit the operator certification new certificate application, a copy of their individual mastery report (IMR) and the $65.00 fee to ADEQ in order to receive their certificate. All this documentation can be mailed into ADEQ or dropped off in person during business hours at ADEQ."

How to register for an Operator Certification Exam:

Step 1 - Determine the Operator Certification exam that is appropriate.  

Step 2- Follow the links below for either Spring or Fall to register (SignUpGenius).

Spring 2024 Schedule​ 
Fall 2024 Schedule​

  • By signing up, you confirm you are eligible to sit for the exam you are registering for. Attempting to obtain a certificate fraudulently may result in revocation, suspension, probation (R18-5-109).

Step 3 - Select a date and time, exam to be taken, and sign up.

Step 4 – You will receive a confirmation email in a few hours and a reminder email three days before the day of your exam.

Note: be sure to check spam folders if not seen in your primary inbox.

Please note: all registrations are final. Ensure the correct selection of exam and date. COP offers two, 3-hour sessions (one in the morning and one in the afternoon). Only one exam is allowed per day.

Payment Information:

  • The cost of each exam is $47.00 (no refunds).

  • Payment will only be accepted on the day of the exam. Arrive at least 45 minutes prior to exam time to allow sufficient time to check-in and process payments.

  • No exams will be administered without payment.

  • Only acceptable form of payment is Certified Check, made payable to City of Phoenix.

  • Cash, personal check and credit or debit cards are NOT acceptable forms of payment.

  • All cancellations must be received 6 days prior examination date. If you must cancel, please email staff at wsdabcexam@phoenix.gov.    

  • No shows will be prohibited from scheduling future exams.


All candidates must present appropriate picture identification, including one of the following:

  • Valid Driver's License or State ID.
  • Current Passport.

Exam Location:

305 City Garage

305 W. Washington St.

Phoenix, 85003

Exam Center Entrance: from the north side of the building along Washington, enter the parking garage through the ground-floor tunnel just west of the elevators. Then enter through the double-door on the east side.



Parking is NOT FREE. Please check the Parking Garage Webpage hourly fees.

305 City Garage

305 W. Washington St.

Phoenix, 85003

Entrances are on 4th Ave or Jefferson Ave.

Click here for an INTERACTIVE Map & Directions

Health & Safety Measures:

  • All computers, keyboards, and mouse will be sanitized before each use. 
  • Hand-sanitizer will be provided to candidates before using any equipment.
  • Social distancing will be practiced.

*Recommended by CDC


COP WSD Contact Information:

The City of Phoenix Water Services Department registration program may be contacted by email at wsdabcexam@phoenix.gov or call (602) 534-0763.

Please allow two business days for reply.​​ 

This registration form is for external candidates only. ​

If you are a current Phoenix Water Services employee and want to take the ADEQ Operation Certification Exam, please contact the Training Team at wsdabcexam@phoenix.gov to register for the exam.


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