All public water systems are required to monitor their water according to the requirements of R309-205, R309-210 and R309-215 to determine if the water quality standards of R309-200 have been met. Water systems are also required to keep records and, under certain circumstances, give public notice as required in R309-220.

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