South Dakota Distribution System Operator Certification
Distribution systems in South Dakota are classified Class I through IV by population served, matching the wastewater classification thresholds. Certification is administered by the South Dakota Board of Operator Certification using ABC standardized exams, with certificates renewing annually (February 1) contingent on rolling 3-year continuing education requirements.
No Size Exemption
Unlike Wastewater Treatment and Collection, where systems under 500 people are only encouraged (not required) to certify, ALL community and non-transient non-community water systems in South Dakota must have a certified water distribution operator, regardless of size. Even a "Very Small Water System" (under 500 people, no treatment) still requires a Class I Distribution certificate. Distribution operators should not assume small-sys