Nebraska Water/Wastewater Operator Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the Nebraska Water/Wastewater Operator Vocabulary Games
4 free word games built on 20 Nebraska Water/Wastewater Operator terms across 6 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.
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Topics in the Nebraska Water/Wastewater Operator Vocabulary Game
Administrative procedures
Treatment process
Equipment operation
Laboratory analysis
Workplace safety
Source water
Sources for these terms (21)
- National Pollutant Discharge Elimination System (NPDES) · Source checked 2026-11-06
- What is a Wastewater Lagoon? (EPA 832-F-25-009, July 2025) · Source checked 2026-11-06
- Optimize Your Wastewater Plant Operations; Save Energy - Save Money; Reduce Nutrient Discharge (EPA webinar, October 21, 2021) · Source checked 2026-11-06
- Wastewater Technology Fact Sheet: Package Plants (EPA 832-F-00-016, September 2000) · Source checked 2026-11-06
- Primary Clarifiers (EPA Operator Webinar Series, August 24, 2023) · Source checked 2026-11-06
- Preliminary Wastewater Treatment (NPDES Operator Webinar, July 25, 2023) · Source checked 2026-11-06
- 5.2 Dissolved Oxygen and Biochemical Oxygen Demand (Monitoring & Assessment, EPA archive) · Source checked 2026-11-06
- Glossary of Acronyms & Technical Terms (EPA archive) · Source checked 2026-11-06
- 1910.132 - General requirements (Personal Protective Equipment) · Source checked 2026-11-06
- 1915.11 - Scope, application, and definitions applicable to this subpart · Source checked 2026-11-06
- 1926.1202 - Definitions (Confined Spaces in Construction) · Source checked 2026-11-06
- 1910.146 - Permit-required confined spaces · Source checked 2026-11-06
- 1910.134 - Respiratory protection · Source checked 2026-11-06
- 40 CFR 141.2 - Definitions (National Primary Drinking Water Regulations) · Source checked 2026-11-06
- Overview of Drinking Water Treatment Technologies · Source checked 2026-11-06
- National Primary Drinking Water Regulations · Source checked 2026-11-06
- 5.5 Turbidity (Monitoring & Assessment, EPA archive) · Source checked 2026-11-06
- Wastewater Treatment Facility Operator Certification Program · Source checked 2026-11-06
- NPDES Compliance Inspection Manual, Chapter 4 (2017 interim revision) · Source checked 2026-11-06
- Title 197 – Rules and Regulations for the Certification of Wastewater Treatment Operators in Nebraska (effective April 6, 2020) · Source checked 2026-11-06
- Wastewater Treatment Operator Class I Need-to-Know Criteria (WPI, copyright 2025) · Source checked 2026-11-06
About the NE Water/Wastewater Operator Exam
The Nebraska water and wastewater operator certification exams cover state DWEE rules, drinking water treatment (Grade I-V), wastewater treatment (Class L, I-IV), distribution systems, laboratory testing, and safety. Wastewater exams are ABC customized exams; drinking water exams are written and scored by DWEE staff.
Exam sponsor: Nebraska Department of Water, Energy, and Environment (DWEE). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
100 questions
Time Limit
2-3 hours
Passing Score
70%
Exam / Certification Fees
$150 wastewater ($125 retest); $50 drinking water individual exam
Exam sponsor websiteReported exam pass rate: Not published. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
Frequently Asked Questions
Is the NE 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 NE Water Operator vocabulary games work?
There are 4 games built on 20 NE 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 NE Water Operator terms come from?
OpenExamPrep researched each term from the Nebraska Department of Water, Energy, and Environment (DWEE) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What certification levels does Nebraska offer?
Nebraska offers Grade I-V for drinking water (plus Grade VI for backflow) and Class L, I-IV plus Industrial I-IV for wastewater operators.
What exam format does Nebraska use?
Wastewater exams are ABC customized exams that DWEE gives in person (closed book) or online at PSI Testing Centers. Drinking water exams are written and scored by DWEE staff, often at the end of a DWEE training course; an individual exam costs $50.