All community and non-transient non-community water systems or any public system that employs treatment techniques for surface water or ground water under the direct influence of surface water shall have an appropriately certified operator in accordance with the requirements of these rules. Refer to R309-300, Certification Rules for Water Supply Operators, for specific requirements.

KEY: drinking water, watershed management

Date of Last Change: March 2, 2026

Notice of Continuation: February 10, 2025

Authorizing, and Implemented or Interpreted Law: 19-4-104