Well Water Testing

Free bacterial water testing services are provided to all Perth County residents on aGirl drinking water private well by the Public Health Laboratory and the Perth District Health Unit.

Water quality can change. It is recommended that you test your well water a minimum of three times a year, preferably spring, summer and fall.

Water testing kits can be obtained at the locations listed below or at your Township Office.

Take the sample just before you deliver it to one of the following locations:

Perth District Health Unit
653 West Gore St., Stratford
Monday to Thursday
8:30 am to 4:30 pm
Friday, 8:30am to 11:30am

Listowel Memorial Hospital
Outpatients Lab (enter through Emergency Department)
Monday to Friday
8:30am to 3:30pm

London Public Health Lab
850 Highbury Ave., 5th Floor
Monday to Friday
8:15am to 4:30pm

Knollcrest Lodge – Front Desk
50 William St., Milverton
Monday to Thursday
8:30am to 4:30pm


Water Testing for Fluoride, Nitrites and Nitrates

Any resident of Perth County who wishes to have their water supply tested for fluoride, nitrites or nitrates can do so through a private accredited laboratory for a fee.

Ministry of Environment and Climate Change List of Licensed Laboratories,

We strongly suggest that you contact the laboratories by phone before visiting to determine the cost and the steps involved in providing a water sample.

For more information, contact Health Line at 519-271-7600 ext 267 or toll-free at 1-877-271-7348 ext 267.