100+ Free SD Water/Wastewater Operator Practice Questions
Pass your South Dakota Water/Wastewater Operator Certification Exam exam on the first try — instant access, no signup required.
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Key Facts: SD Water/Wastewater Operator Exam
7 Types
Certification Categories
DANR
70%
Minimum Passing Score
DANR
$60
Exam Fee
DANR
2 Weeks
Application Deadline Before Exam
ARSD 74:21:02:40
500+
Population Threshold for WW Certification
DANR
About the SD Water/Wastewater Operator Exam
The South Dakota water/wastewater operator certification exam tests knowledge of ARSD 74:21 regulations and SDCL 34A-3, water treatment, wastewater treatment, distribution and collection systems, stabilization ponds, and laboratory testing. Seven certification types are available including small water systems and very small water systems.
Questions
100 scored questions
Time Limit
2.5 hours
Passing Score
70%
Exam Fee
$60 per exam (SD Department of Agriculture and Natural Resources (DANR))
SD Water/Wastewater Operator Exam Content Outline
State Laws & Regulations
ARSD 74:21 regulations, SDCL 34A-3, seven certification types, DANR requirements, and continuing education
Water Treatment
Disinfection, coagulation, filtration, CT calculations, groundwater rule, and surface water treatment
Wastewater Treatment
Activated sludge, stabilization ponds, sludge handling, NPDES compliance, and safety procedures
Distribution & Collection
Cross-connection control, pump operations, I&I management, cold weather operations, and hydraulics
Laboratory & Math
Water quality testing, sampling procedures, math calculations, record-keeping, and CCR requirements
How to Pass the SD Water/Wastewater Operator Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 2.5 hours
- Exam fee: $60 per exam
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
SD Water/Wastewater Operator Study Tips from Top Performers
Frequently Asked Questions
What types of operator certifications does South Dakota offer?
SD offers seven types: water treatment, water distribution, wastewater treatment, wastewater collection, stabilization ponds, small water treatment systems, and very small water systems.
Which systems require certified operators in South Dakota?
All community and NTNC water systems regardless of size must have certified operators. Wastewater systems serving more than 500 people require certified operators in direct responsible charge.
How much does a South Dakota operator certification exam cost?
All exams cost $60. Applications must be received by DANR at least two weeks before the scheduled exam date per ARSD 74:21:02:40.
What are the continuing education requirements in South Dakota?
SD uses a sliding scale of contact hours based on the number and type of certificates held, implemented since the 2010 renewal cycle.
Who should I contact about SD operator certification exams?
Contact Tammie Hill at DANR at (605) 773-3577 or tammie.hill@state.sd.us. For training, contact SDARWS at (605) 556-7219.