South Dakota requires a state-level water treatment operator license. The licensing authority is State Dept of Environmental Quality. The median salary is $47,009 per year.
Last updated 2026-05-08
South Dakota requires a water treatment operator to hold a state license. Operate and maintain water treatment plants to ensure safe drinking water supply. Licensing is administered by the State Dept of Environmental Quality.
| Minimum Age | 18 years old |
| Education | State-approved training + operator-in-training period |
| Experience Details | State-approved training + operator-in-training period |
South Dakota requires passing the South Dakota Water Treatment Operator Certification Exam with a minimum score of 70%. The application fee is $50.
| Exam Name | South Dakota Water Treatment Operator Certification Exam |
| Passing Score | 70% |
| Code Edition | Water Treatment Operator Certification Exam |
| Application Fee | $50 |
Getting licensed as a water treatment operator in South Dakota takes 24 months on the typical path. Here are the steps.
The total cost includes an exam application fee of $50 and renewal fees of $50 every 2 years. Continuing education of 20 hours is required per renewal cycle.
| Fee | Amount |
|---|---|
| Exam Application | $50 |
| License Renewal | $50 every 2 years |
| Continuing Education | 20 hours |
Water Treatment Operators in South Dakota earn a median salary of $47,009, which is less than the national average. Data from BLS OEWS May 2024.
| Mean (average) | — / year |
| Entry level (10th pct) | — |
| Top earners (90th pct) | — |
| Total employed | — in South Dakota |
| National average | $53,420 |
Yes — South Dakota requires a state-level water treatment operator license. Operate and maintain water treatment plants to ensure safe drinking water supply.
The required exam is the South Dakota Water Treatment Operator Certification Exam. You need a score of 70% to pass. The exam fee is $50.
The median annual salary for water treatment operators in South Dakota is $47,009. The national median is $53,420.
South Dakota requires 20 hours of continuing education for license renewal every 2 years.
The fastest path takes approximately 6 months. The typical path takes 24 months including experience requirements.