This rule specifies requirements for conventional surface water treatment plants used in public water systems. 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, flocculation, sedimentation, filtration

Date of Last Change: August 28, 2013

Notice of Continuation: February 10, 2025

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