This rule specifies requirements for facilities that disinfect public drinking water. It is to be applied in conjunction with rules R309-500 through R309-550, Drinking Water Facility Construction, Design, and Operation. Collectively, these Rules govern the design, construction, and operation and maintenance of public drinking water system facilities. These Rules are intended to assure that such facilities are reliably capable of supplying adequate quantities of water that consistently meet applicable drinking water quality requirements and do no harm to general public health.

KEY: drinking water, primary disinfectants, secondary disinfectants, operation and maintenance

Date of Last Change: November 16, 2015

Notice of Continuation: February 10, 2025

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