If you would like to have your drinking water tested to see if your filtration and treatment systems are working, you can pick up a Drink Water Testing Kit at the South Eastern Georgian Bay Chamber of Commerce (SEGBAY) office at 45 Lone Pine Road in Port Severn.
SEGBAY has released the following information sheet. 
SEGBAY Services.pdf
You can find further information on drink water testing at the following links.
2019 CWS Authorization.pdf