Wisconsin Water/Wastewater Operator Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the Wisconsin Water/Wastewater Operator Vocabulary Games
4 free word games built on 20 Wisconsin Water/Wastewater Operator terms across 7 topics. Every game deals terms at random and shows what each term means, so you can keep playing as long as you like.
How to Play
- 1.Read the clue and type the term (3 to 6 letters).
- 2.Green: right spot. Yellow: wrong spot. Gray: not in the term.
- 3.Solve it in 6 tries, then read the explanation.
- 1.Swap two neighboring tiles to line up 3 of the same term.
- 2.Longer lines, two lines at once and chains score more.
- 3.Play until no swap can make a line.
- 1.Flip two cards. A matching pair stays face up.
- 2.Each pair you find shows what the term means.
- 3.Clear the board in as few moves as you can.
- 1.Find each listed term in the letter grid.
- 2.Drag across its letters: across, down or diagonally.
- 3.Find all five as fast as you can.
Explore More Water / Wastewater Operator
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Videos and articles for deeper review.
Topics in the Wisconsin Water/Wastewater Operator Vocabulary Game
State certification and rules
Regulations and limits
Water treatment
Wastewater treatment
Collection systems
Laboratory analysis
Workplace safety
Sources for these terms (21)
- Operator Certification: Exams · Source checked 2026-11-05
- Wastewater operator certification · Source checked 2026-11-05
- Waterworks operator certification · Source checked 2026-11-05
- Small water system (OTM/NN) operator certification · Source checked 2026-11-05
- WPDES Permits · Source checked 2026-11-05
- Wastewater Technology Fact Sheet: Ozone Disinfection (EPA 832-F-99-063, September 1999) · Source checked 2026-11-05
- Secondary Drinking Water Standards: Guidance for Nuisance Chemicals · Source checked 2026-11-05
- Safe Drinking Water Act (SDWA) · Source checked 2026-11-05
- National Primary Drinking Water Regulations · Source checked 2026-11-05
- 5.5 Turbidity (Monitoring & Assessment, EPA archive) · Source checked 2026-11-05
- 40 CFR 141.2 - Definitions (National Primary Drinking Water Regulations) · Source checked 2026-11-05
- 5.2 Dissolved Oxygen and Biochemical Oxygen Demand (Monitoring & Assessment, EPA archive) · Source checked 2026-11-05
- Glossary of Acronyms & Technical Terms (EPA archive) · Source checked 2026-11-05
- Optimize Your Wastewater Plant Operations; Save Energy - Save Money; Reduce Nutrient Discharge (EPA webinar, October 21, 2021) · Source checked 2026-11-05
- Wastewater Technology Fact Sheet: Package Plants (EPA 832-F-00-016, September 2000) · Source checked 2026-11-05
- Primary Clarifiers (EPA Operator Webinar Series, August 24, 2023) · Source checked 2026-11-05
- What is a Wastewater Lagoon? (EPA 832-F-25-009, July 2025) · Source checked 2026-11-05
- Basic Information about Sewage Sludge and Biosolids · Source checked 2026-11-05
- Sanitary Sewer Overflows (SSOs) · Source checked 2026-11-05
- 1910.147 - The control of hazardous energy (lockout/tagout) · Source checked 2026-11-05
- Biological Treatment - Attached-Growth Processes Study Guide, Subclass A2 (February 2016 Edition) · Source checked 2026-11-06
About the WI Water/Wastewater Operator Exam
Wisconsin DNR certifies water and wastewater operators with three main levels (Operator-in-Training, Basic, Advanced). The passing score is 75% (higher than most states). Basic exams cost $25 and are given on paper by DNR staff at sessions around the state, with two three-hour sessions per exam day.
Exam sponsor: Wisconsin Department of Natural Resources (DNR). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Question count varies by module
Time Limit
3-hour exam session (take as many exams as fit)
Passing Score
75%
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the WI Water Operator vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How do the WI Water Operator vocabulary games work?
There are 4 games built on 20 WI Water Operator terms. In Guess the Term, a clue describes one term and you have six tries to spell it, with green, yellow and gray letters showing how close you are. In Term Match, six terms appear as colored tiles; swap neighbors to line up three or more of the same term, and each match shows what the term means. In Term Pairs, twelve face-down cards hide six pairs of terms; flip two at a time to find each pair, and every pair you find shows what the term means. In Term Search, five terms hide in a grid of letters, reading across, down or diagonally; drag across a term to circle it, and each term you find shows what it means.
Where do the WI Water Operator terms come from?
OpenExamPrep researched each term from the Wisconsin Department of Natural Resources (DNR) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What is Wisconsin's passing score for operator exams?
75%, which is higher than the 70% standard used by many other states.
How much do WI operator exams cost?
Each basic wastewater, waterworks and small water system exam costs $25; the advanced wastewater exam costs $50. Exam fees are non-refundable.