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Disinfect your well:

“Shock chlorination” is a process designed to inactivate harmful bacteria within the well and distribution system. For wells contaminated by bacteria as the result of flooding, shock chlorination should effectively reduce the bacteria levels. Shock chlorination is NOT intended to provide disinfection of the aquifer beyond the immediate location of a well.

Unless you are familiar with water wells, and are comfortable working with chemicals, the disinfection process should be done by a licensed water well driller or licensed plumber. If you have point-of-use or point-of-entry home water treatment devices, consult with your water treatment company before starting with chlorination.

If you wish to disinfect your well yourself, complete instructions for disinfecting both dug and drilled wells are available from Health Canada.

For more information, contact the Health Unit toll-free at 1-866-888-4577 and speak with a Public Health Inspector.