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Virginia water and wastewater operator certification

To become a certified water or wastewater operator in Virginia, apply to the Board for Waterworks and Wastewater Works Operators and Onsite Sewage System Professionals, Virginia Department of Professional and Occupational Regulation (DPOR), meet its education and experience rules for your class, and pass the exam for your series. Confirm the current exam format with the certifying authority; most states use the WPI standardized series (100 questions, 3 hours, pass at 70).

Updated 2026 from the authority's official pages. Researched, not legal or professional advice.

Standardized exams
Confirm
Class ladder
Yes
Verified
Official source

Virginia certification key facts

Certifying authorityBoard for Waterworks and Wastewater Works Operators and Onsite Sewage System Professionals, Virginia Department of Professional and Occupational Regulation (DPOR)
Official sitedpor.virginia.gov
ExamConfirm with the authority
SeriesWater treatment, water distribution, wastewater treatment, wastewater collection

Virginia licenses operators through an occupational-regulation board rather than its environmental agency; exams are administered by AMP using candidate handbooks that reference ABC Need-to-Know criteria, but the board states ABC's classes are not applicable to Virginia's own license classes.

Start at the source

Board for Waterworks and Wastewater Works Operators and Onsite Sewage System Professionals, Virginia Department of Professional and Occupational Regulation (DPOR) is the certifying authority. Its site, www.dpor.virginia.gov, carries the current eligibility rules, class structure, exam registration and renewal requirements. Requirements change; the authority's version is the one that counts.

The exam, and what actually decides it

Whether Virginia uses the standardized WPI series or its own exams, operator exams share one shape: knowledge questions plus applied math, delivered against a clock. The math is where candidates actually lose points, and not for lack of formulas: the skill is recognizing which formula the word problem wants, converting units cleanly, and holding pace. The math, concept by concept trains exactly that, and the method article gives you the drill.

The path

  • Pull the certification requirements and application from the authority above.
  • Confirm which exam series and class level applies to your role and system.
  • Study the territory with the exam reference and the four series guides.
  • Drill the math formula-first, then run timed sets at roughly ninety seconds a question.

Other states

AlabamaAlabama Department of Environmental Management (ADEM) - Operator Certification Program
AlaskaAlaska Department of Environmental Conservation (DEC) - Operator Certification and Training Program
ArizonaArizona Department of Environmental Quality (ADEQ) - Operator Certification Program
ArkansasArkansas Department of Health - Drinking Water Operator Licensing Program (Engineering Section)
CaliforniaCalifornia State Water Resources Control Board - Drinking Water Operator Certification Program (DWOCP)
ColoradoColorado Department of Public Health & Environment - Water and Wastewater Facility Operators Certification Board (Colorado Certified Water Professionals)
ConnecticutConnecticut Department of Public Health - Drinking Water Section Operator Certification Program
DelawareDelaware Health and Social Services, Division of Public Health - Office of Drinking Water (Public Water System Operator Certification)
TennesseeOperator Certification Program, Tennessee Department of Environment and Conservation (Division of Water Resources / Fleming Training Center)
TexasOccupational Licensing (Water and Wastewater Operator Licensing), Texas Commission on Environmental Quality (TCEQ)
UtahOperator Certification Program, Utah Department of Environmental Quality (Division of Drinking Water)
VermontPublic Water System Operator Certification, Vermont Department of Environmental Conservation (Drinking Water and Groundwater Protection Division)
WashingtonWaterworks Operator Certification Program, Washington State Department of Health (Office of Drinking Water)
West VirginiaCertification and Training Program, Environmental Engineering Division, West Virginia Office of Environmental Health Services (Bureau for Public Health)
WisconsinOperator Certification Program, Wisconsin Department of Natural Resources
WyomingOperator Certification Program, Wyoming Department of Environmental Quality (Water Quality Division)

Common questions

Who certifies water operators in Virginia?

Board for Waterworks and Wastewater Works Operators and Onsite Sewage System Professionals, Virginia Department of Professional and Occupational Regulation (DPOR) runs Virginia's operator certification program. Its official site carries the current application requirements, class structure and exam registration.

What is the Virginia operator exam like?

Many states use the WPI (formerly ABC) standardized exams (100 questions, 3 hours, formula sheet provided); confirm Virginia's current exam format with the certifying authority.

How do the operator grades work in Virginia?

Operator certification climbs a class ladder, with higher classes qualifying operators for larger or more complex systems. Virginia's exact grade names, experience prerequisites and renewal rules come from the certifying authority.

Sources

New to the vocabulary? Start with how water treatment works and the stages of wastewater treatment.

The operator math sheet, free

The exam format, the formula-first drill method, and the unit-conversion discipline on one printable page. Enter your email and we will send you straight to it.

No spam. One useful sheet and occasional notes.

Verified against official sources at the time of writing; the certifying authority is always the final word.