Private well owners

Well disinfection is used to inactivate or control bacteria populations in a well and the distribution system.

Steps to follow to make sure your drinking water supply is safe after a flood.

This brochure provides private well owners with information about arsenic, including how to test for arsenic and what to do if you find it in your drinking water.

Information about short-term and long-term health effects of arsenic.

The arsenic guideline sets out the treatment and public reporting expectations that water suppliers must meet as a term and condition of their operating permit.