Almost all public drinking water systems are required to have a certified waterworks operator in responsible charge of the water system. Candidates that meet the requirements of WAC 246-292-060 are eligible to take an exam to become a certified operator
Operator-in-Training (OIT) Exam
Allows candidates to sit for a Waterworks certification exam prior to having completed all required water system operating experience. Candidates must meet the eligibility requirements in WAC 246-292-060(3).
Upgrade without Exam
A certified "Operator-n-Training" (OIT) may apply to become fully certified once they've obtained the required water system operational or water treatment experience.
We may issue an operator certification without an exam to applicants who hold valid water system operator certifications issued by another state or province (WAC 246-292-075) if they meet the following criteria:
- The other certification program's minimum education, operating experience, and professional growth requirements must be equal to or more stringent than Washington state.
- The applicant has passed the appropriate level Association of Boards of Certification (ABC) exam, and;
- Applicant is currently certified in the originating state.
Please Note: Training is not a requirement or prerequisite for certification through reciprocity in Washington State.
Please review the requirements listed above prior to submittal to ensure eligibility and expedite the review process.
To request further information on reciprocity with Washington, please review our Reciprocity Fact Sheet or contact Washington Certification Services at: email@example.com.
We may issue a nonrenewable temporary certification to an individual to fill a vacated position on a public water system. Temporary certification is contingent on the requirements in WAC 246-292-080.