Water & Wastewater Operator Certification in North Dakota
What it takes to get and keep a water or wastewater operator license in North Dakota, and where to go for help. This page is the map: who runs the program, what the grades are, what the exam costs, and how renewal works. It is not exam prep. Rules change, so confirm with the agency before you act.
Jump to:Get certified here · Transferring in? · Renewing? · Run a system here
This page won't tell you how to pass a test. It tells you what's required in North Dakota and how the process actually works, so the paperwork doesn't stand between you and the job.
Your path to certified in North Dakota
- One program, four certificates. North Dakota DEQ's Division of Municipal Facilities certifies all four operator categories, water treatment, water distribution and storage, wastewater treatment, and wastewater collection and transfer, under one rule (NDAC 33.1-19-01). Most operators hold more than one.
- A 2026 change reset the calendar and the fees. As of April 1, 2026, the certification year moved from July to January, the exam fee rose to $150, and the law now allows a third-party testing service. Many older DEQ documents still show the old July date and $50 fee; the current rule wins.
- Read the grade ladder. Each category runs five grades, IA, I, II, III, and IV, where IA is the small-system entry tier sitting below Grade I, and IV is the highest. There is a separate exam for each grade.
- The exams are the state's own. DEQ staff write, give, and grade them, at roughly monthly sessions (skipping the May-to-July renewal months) in Bismarck and a couple of other towns. Apply at least 15 days ahead; you may retake once within a year.
- Renew every year. Certificates now expire January 1, at $40 per certificate, and continuing education is a flat 12 credits over each three-year period, the same at every grade.
The exams are state-built, but the math is the same math. Drill it free in the practice tool before a session.
Drinking water: North Dakota DEQ, Division of Municipal Facilities (Operator Certification) program page
Who runs certification here
North Dakota keeps it under one roof. The Division of Municipal Facilities at North Dakota DEQ certifies all four operator categories, develops and grades the exams, approves continuing education, and also holds the state's Safe Drinking Water Act primacy. One rule, NDAC 33.1-19-01, and one statute, North Dakota Century Code chapter 23.1-07, govern the whole program. The recent news is regulatory, not structural: a 2025 law, carried into the rule on April 1, 2026, moved the certification year to the calendar year, lifted the exam fee into rule at a higher figure, and opened the door to a third-party testing service down the road. Until that service arrives, the exams stay state-built.
The grades and what they cover
Each of the four categories, water treatment, water distribution and storage, wastewater treatment, and wastewater collection and transfer, runs five grades: IA, I, II, III, and IV. The catch in the labeling is IA, which is the small-system entry tier and sits below Grade I, not above it; Grade IV is the top. A facility's class is set mostly by the population or population equivalent it serves, layered with treatment type and process complexity, and DEQ can raise a class for unusually complex processes. The operator in direct responsible charge must hold a certificate at least equal to the facility's class. Because every grade in every category carries its own exam, an operator climbing two ladders sits a number of separate tests. A few of the smallest systems need no certified operator at all, a statutory exclusion for the smallest nonmechanical wastewater and seasonal simple-treatment water systems.
The exam: logistics, not cramming
North Dakota builds and gives its own exams: DEQ staff write, conduct, and grade them, with a separate exam for each grade in each category. They are not ABC or national-bank exams, though the 2026 change now lets the state bring in a third-party testing service later. Sessions run roughly the last Tuesday of the month, with none in the May-to-July renewal stretch, mostly at the Environmental Training Center in Bismarck plus selected dates elsewhere. Your application has to clear DEQ at least 15 days ahead, the exam fee is $150, and you may retake an exam once within a year of the original sitting. One thing North Dakota deliberately does not publish is a passing percentage, so do not assume the usual national figure.
For what the exams cover by grade, the what's on the exam guide is the place to start.
Keeping it current (renewal)
Certificates renew every year and now expire January 1, a change from the old July date, at $40 per certificate, with a separate fee for each certificate you hold. Continuing education works on a longer clock: a flat 12 credits over each three-year period, the same total at every grade, rather than hours that scale with class. Operators who leave the state can keep a certificate active by paying the annual fee without earning credits, but they owe the full total in their first year back. Miss a renewal and you have a 90-day grace to catch up on credits and fees; past that, you requalify and retest. North Dakota also runs an operator reimbursement program that helps cover certification and renewal costs.
Training and continuing education
North Dakota Rural Water Systems Association is the small-system anchor, running operator training and exam prep, circuit-rider field assistance, source-water protection, an apprenticeship, and backflow-tester courses from Bismarck, and it is a primary DEQ-recognized provider of continuing-education credits. The AWWA North Dakota Section handles the water side and the North Dakota Water Environment Association the wastewater side. Credits have to come from DEQ-developed or DEQ-recognized training, and a credit counts for the three-year period in which it is earned.
Reciprocity
North Dakota can certify an operator from another state without making them retest, but on two conditions: the other jurisdiction's requirements have to be at least equal to North Dakota's for a like certificate, and that jurisdiction has to grant the same courtesy to North Dakota operators. There is no separate exam fee, since reciprocity skips the exam, though the standard annual renewal fee applies once you hold the certificate.
Where to get help (small systems)
- North Dakota Rural Water Systems Association, ndrw.org: operator training, exam prep, circuit riders, source-water protection, and backflow courses, from Bismarck.
- Grade IA is the small-system entry, a diploma plus six months operating a small system, and a few of the smallest systems need no certified operator at all.
- DEQ's operator-certification pages carry the exam dates, the four categories, fees, and the continuing-education rules.
- The operator reimbursement program helps small systems cover certification and renewal costs.
Running a system in North Dakota
The oversight and funding picture for managers and boards.
Rate regulation. In practice, no state agency sets retail water or sewer rates in North Dakota. The Public Service Commission oversees electric, gas, and other utilities but does not set water and sewer rates; municipal systems set their own under home-rule authority, and water districts set theirs through their boards.
Funding. Both revolving funds are administered by DEQ's Division of Municipal Facilities for the program and technical side, with the North Dakota Public Finance Authority acting as the financial agent that issues the bonds and services the loans.
Mutual aid. North Dakota participates in the national WARN framework for utilities helping utilities after an emergency. Sign the agreement before the spring flood.
North Dakota Rural Water Systems Association (NDRWSA)
Training & technical assistance; Water System Circuit Riders; Wastewater Technical Advisors (east & west); Source Water Protection / Water Quality Action; SRF Program training; Leadership Retreat (Medora)
Free practice tool
120 worked problems across the exam math. No signup, no email wall.
Water math calculator
The everyday conversions and dosage math, in your pocket.
What's on the operator exam
New to all this? Start here.
New to all this? Start with what's on the operator exam.
Verify against
- A 2025 law (SB 2110), implemented in the rule on April 1, 2026, is the headline: the certification year moved from July 1 to January 1, the exam fee rose to $150 from $50, and a third-party testing service is now permitted. Older DEQ documents still show the prior figures. Read live off NDAC 33.1-19-01, NDCC 23.1-07, and the DEQ pages on 2026-06-16.
- Exams are state-built (not ABC), grades run IA below I up to IV, and North Dakota publishes no passing percentage, so this page does not assert one. Continuing education is a flat 12 credits per three-year period across all grades.
- Organizations only, never individuals; the only phone number in this guide's records is the rural water association office line. Logistics reference, not exam content.