This rule specifies requirements for alternative surface water treatment methods. It is intended to be applied in conjunction with rules R309-500 through R309-550. Collectively, these rules govern the design, construction, 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 which consistently meet applicable drinking water quality requirements and do not pose a threat to general public health.

KEY: drinking water, direct filtration, slow sand filtration, membrane technology

Date of Last Change: March 31, 2022

Notice of Continuation: February 10, 2025

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