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100+ Free UT Water/Wastewater Operator Practice Questions

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2026 Statistics

Key Facts: UT Water/Wastewater Operator Exam

Grade I-IV

Certification Levels

Utah DEQ

70%

Minimum Passing Score

Utah DEQ

$156

Total Exam Cost ($50 + $106)

Utah DEQ

3 Years

Renewal Cycle

Utah DEQ

100 Questions

Exam Length (3 hours)

Utah DEQ

About the UT Water/Wastewater Operator Exam

The Utah water/wastewater operator certification exam tests knowledge of UAC R309-300 (drinking water) and R317-10 (wastewater), water treatment operations, wastewater treatment processes, distribution and collection systems, and laboratory testing. Grades I-IV available with standardized WPI exams for wastewater.

Questions

100 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$50 application + $106 testing (Utah Department of Environmental Quality (DEQ))

UT Water/Wastewater Operator Exam Content Outline

20%

State Laws & Regulations

UAC R309-300 and R317-10, Grade I-IV levels, restricted vs. unrestricted status, and 3-year renewal cycle

25%

Water Treatment

Disinfection, coagulation, filtration, CT calculations, and SDWA compliance

25%

Wastewater Treatment

Activated sludge, sludge handling, NPDES permits, biological treatment, and safety

15%

Distribution & Collection

Cross-connection control, backflow prevention, pump operations, and hydraulics

15%

Laboratory & Math

Water quality testing, sampling, math calculations, record-keeping, and reporting

How to Pass the UT Water/Wastewater Operator Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 3 hours
  • Exam fee: $50 application + $106 testing

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

UT Water/Wastewater Operator Study Tips from Top Performers

1Review UAC R309-300 (drinking water) and R317-10 (wastewater) for certification grades and requirements
2Understand the difference between restricted and unrestricted certification status
3Study WPI need-to-know criteria for wastewater exams at WPI's website
4Master activated sludge operations: SVI, F/M, MLSS, and process control parameters
5Practice all math formulas: pounds formula, detention time, pump HP, and volume calculations

Frequently Asked Questions

What certification grades does Utah offer?

Utah offers Grades I through IV for both drinking water and wastewater operators. Wastewater also includes treatment, collection, restricted versions, and Small Lagoon System Operator (Grade I).

Are Utah operator exams sequential?

No, exams are not sequential. You can take any grade level desired. However, certifications are restricted until you gain required experience for unrestricted status.

What is the exam format and cost in Utah?

100 multiple-choice questions, 3-hour time limit, 70% to pass. Application fee is $50 to DEQ plus $106 testing fee to PSI. 30-day wait between retakes.

What is the certification renewal cycle?

Certifications renew every 3 years on December 31. CEUs are required during the 3-year cycle beginning January 1 after passing the exam.

Who produces Utah's wastewater exams?

Utah uses standardized exams produced by Water Professionals International (WPI), developed to evaluate 'need-to-know' criteria for wastewater operators.