Watermain Disinfection Procedure

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This document outlines procedures for disinfecting water mains as part of an addition, modification, replacement, extension, planned maintenance, or emergency repair in a municipal residential drinking water system. The procedures are required to be followed in order to satisfy conditions imposed by the Director in a drinking water works permit. (MECP, 2020)’

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2020 Watermain disinfection procedure

Watermain Disinfection Procedure Questions and Answers – February 19, 2021

Request for Early Implementation of the Watermain Disinfection Procedure, dated August 1, 2020 (Municipal Residential Drinking Water Systems)

2015 Watermain disinfection procedure