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Water/Wastewater Operator — OIT/ORC
Total cost: $156
Governing Authority
Utah Department of Environmental Quality - Division of Water Quality (wastewater) and Division of Drinking Water (drinking water)
Official website →Yes
Certification Required
Accepted
ABC Exams Accepted
Available
Water Treatment
Available
Wastewater Treatment
24 hrs
CE Hours
$156
Total Initial Fees
Education & Training Requirements
VerifiedMinimum Education
High school diploma or GED required; education and experience requirements vary by class
Minimum Degree Level
High school diploma/GED
Approved Programs
DEQ-approved training programs; Utah-specific continuing education providers
Water and wastewater operator certification requires at minimum a high school diploma or GED for entry-level positions. Higher certification levels may require additional education such as college coursework in water/wastewater technology, environmental science, chemistry, biology, or engineering. Many community colleges and technical schools offer water/wastewater technology programs that prepare candidates for certification examinations. On-the-job experience at a treatment facility is also required, with hours varying by certification level.
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ABC Certification & State Requirements
VerifiedABC Certification Accepted
Association of Boards of Certification
Water Treatment Cert.
Available
Wastewater Treatment Cert.
Available
Certification Details
Utah DEQ certifies water and wastewater operators. Computer-based exams cost $50 plus PSI testing center fee ($106); paper-based exam $200. Restricted certificates available for 1 year (Class I-II) or 2 years (Class III-IV) while gaining experience. 100 multiple-choice questions per exam covering Need-to-Know Criteria.
The ABC (Association of Boards of Certification) is the primary national examination body for water and wastewater operators. Approximately 35 states accept ABC standardized examinations for operator certification. Certification is typically tiered (e.g., Class I through IV or Grade 1 through 4) with higher levels corresponding to more complex treatment facilities and larger population served. Water treatment, water distribution, wastewater treatment, and wastewater collection are separate certification categories in most states.
Examination Requirements
VerifiedABC Examinations Accepted
Association of Boards of Certification
Exam Topics
Water treatment, distribution, wastewater treatment, collection, regulations, safety, mathematics
Passing Score
70%
No State-Specific Exam
State Supplemental Examination
The ABC (Association of Boards of Certification) provides standardized examinations for water and wastewater operator certification, accepted by approximately 35 states. Examinations cover water treatment processes, distribution system operation, water quality analysis, laboratory procedures, regulatory compliance, safety protocols, and mathematics. A passing score of 70% is standard across most jurisdictions. Some states administer their own examinations covering state-specific regulations and treatment requirements. Separate examinations are typically required for water treatment, water distribution, wastewater treatment, and wastewater collection.
Overall licensing difficulty: 4/100
Study recommendation: 1–2 weeks of focused review is usually sufficient
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Water/Wastewater Operator Exam Prep
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Difficulty rating based on education, exam, and experience requirements. Individual experience may vary.
Study guides for water and wastewater operator certification exams.
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State Certification Requirements
VerifiedState Certification Required
State Certification Title
Certified Water/Wastewater Operator
Additional Notes
Computer-based exams: $50 + $106 PSI fee; paper-based: $200.
All 50 states and the District of Columbia require certification for water and wastewater treatment system operators under the federal Safe Drinking Water Act and Clean Water Act. Each state establishes its own certification program with tiered levels based on facility complexity and population served. The Association of Boards of Certification (ABC) provides standardized examinations used by approximately 35 states. Operators must demonstrate competency in treatment processes, water quality, regulatory compliance, and safety.
Facility Types & Operator Authority
VerifiedFacility Types
Wastewater treatment facilities, drinking water treatment systems, water distribution systems, wastewater collection systems
Certification Levels
Class I through Class IV for wastewater; drinking water uses grade levels based on population and system complexity
Multiple Certifications
Permitted
Supervision Requirements
Unrestricted certified operator required; restricted certificates available for operators building experience
Certified water/wastewater operators are responsible for the safe and compliant operation of water treatment plants, water distribution systems, wastewater treatment facilities, and wastewater collection systems. They ensure safe drinking water for public consumption and proper treatment of sewage before discharge. Operators must be certified at a level equal to or higher than the facility's classification. Most states allow operators to hold multiple certifications across water treatment, distribution, wastewater treatment, and collection categories.
| Fee | Amount |
|---|---|
Application Fee Computer-based exam $50 + PSI fee $106; paper-based exam $200 | $50 |
Certification Fee Computer-based exam $50 + PSI fee $106; paper-based exam $200 | $106 |
Renewal Fee | $75 |
Total Initial Fees Computer-based exam $50 + PSI fee $106; paper-based exam $200 | $156 |
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Renewal & CE Requirements
Verified3 years
Renewal Period
24 hrs
CE Hours Required
$75
Renewal Fee
CE Details
CEUs must be earned during the 3-year period prior to certificate expiration date. Wastewater certificate renewal $75.
Regulatory Board
Water and wastewater operator certifications must be renewed on schedule with the state certifying authority. Renewal cycles typically range from 2 to 3 years with 12-30 continuing education hours per cycle. CE requirements typically cover treatment processes, water quality analysis, regulatory compliance updates, laboratory procedures, safety protocols, and emerging contaminants. Many states accept training from ABC-approved providers, state conferences, and online courses.
Out-of-State Reciprocity
VerifiedEndorsement Available
Yes
ABC Reciprocity
Yes
Reciprocity Requirements
Most states offer reciprocity or endorsement for water/wastewater operators certified in other states. States that accept ABC examinations generally offer smoother reciprocity for operators who have passed ABC standardized tests at the equivalent level. Requirements typically include verification of current certification, meeting experience requirements, and paying application fees. Some states may require a state-specific examination covering local regulations. Reciprocity agreements vary and should be verified with the specific state certifying authority.
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Utah offers both restricted and unrestricted certificates, allowing operators to begin working at classified facilities while accumulating the full experience requirements over 1-2 years.
Computer-based exams: $50 + $106 PSI fee; paper-based: $200.
100 multiple-choice questions covering Need-to-Know Criteria.
Restricted certificates available: 1 year for Class I-II, 2 years for Class III-IV.
Wastewater certificate renewal: $75.
CEUs must be earned in the 3 years before expiration.
There is no interstate compact for water/wastewater operators. ABC member states generally recognize each other's ABC exam scores, providing significant mobility.
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Water Wastewater Operator Schools in Utah
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Utah requires certification for water/wastewater operators. ABC examinations are accepted. All certification is managed through the Utah Department of Environmental Quality - Division of Water Quality (wastewater) and Division of Drinking Water (drinking water).
Requirements vary by state. Always verify current requirements with your state certifying authority.