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Private Exam Pricing

Fees for private sessions (USA and Canada)

Certified Water Specialist (CWS) $140.00 $240.00
Certified Installer (CI) $140.00 $240.00
Certified Sales Representative (CSR) $140.00 $240.00

Deionization by By Exchange $115.00 $190.00
Disinfection $115.00 $190.00
Filtration $115.00 $190.00
Ozonation $115.00 $190.00
Reverse Osmosis/Ultrafiltration $115.00 $190.00

Private Exam Sessions Outside USA and Canada

Examinees are responsible for all shipping costs. Please contact the education department to discuss rates and options: (630) 505-0160 or

Exam Scheduling

Requests for private testing session must be received in WQA office at least three weeks prior to the desired test date. Forms can be downloaded here for U.S. and International requests.

Exams must be prepaid and be pre-scheduled. Exams must be taken on schedule as approved by WQA.

Exams may not be taken on premises of the company employing the examinee or any private premises owned by the company, the examinee, or person related to the examinee.

Exam Proctoring

The examinee is responsible for securing an exam proctor. Proctors must be approved by WQA and will be instructed by WQA of requirements for WQA exam proctoring.

Proctor payment is the responsibility of the company/individual requesting the private exam session.

Discounts for Multiple Persons from Same Company at Same Exam Session

A multi-person discount will be given for persons pre-registered for either public or private exam sessions as follows:

  • 5 to 9 people – 5% discount
  • 10 to 20 people – 10% discount
  • 21 or more people – 15% discount

Cancellation Deadlines for Refunds

Full refunds will be made if the examinee cancels the exam registration by the cancellation deadline, which is 5:00 p.m. Central time on the 6th business day prior to the scheduled exam session. NO REFUNDS will be given if cancellation is received AFTER cancellation deadline. NO REFUNDS will be given for "NO Shows" who don't appear for registered exam.