Once you fix the contamination problem, you need to clean and then disinfect the cistern.
Before you start, arrange for the services of an approved water hauler—you need clean, safe water to clean and disinfect a cistern.
You need to clean the cistern to remove sediment and other contaminants. It’s a good idea to clean your cistern at the following times:
Follow these steps to clean your cistern:
After it’s clean and rinsed, the cistern is ready to disinfect.
Current as of: May 25, 2022
Author: Environmental Public Health, Alberta Health Services
This material is not a substitute for the advice of a qualified health professional. This material is intended for general information only and is provided on an "as is", "where is" basis. Although reasonable efforts were made to confirm the accuracy of the information, Alberta Health Services does not make any representation or warranty, express, implied or statutory, as to the accuracy, reliability, completeness, applicability or fitness for a particular purpose of such information. Alberta Health Services expressly disclaims all liability for the use of these materials, and for any claims, actions, demands or suits arising from such use.