How Often Should I Test My Private Well Near Barrie?
Test well water for bacteria several times a year, including in spring and after heavy rain or flooding, and whenever the taste, smell or colour changes. In Ontario, bacteria testing of private well water is available free through public health, using sample bottles from your local health unit.
Request a plumberWhy does it matter?
Nobody tests a private well except the owner. Bacteria from surface water or septic systems can get in without any change in taste or smell.
Where do I get a test kit?
Pick up sample bottles from the Simcoe Muskoka District Health Unit or a drop-off location, follow the instructions exactly and return the sample the same day it's taken.
What about minerals and chemicals?
The free test checks for bacteria. Hardness, iron, sodium, nitrates and other minerals need a lab test you pay for. Do one before buying treatment equipment.
What do the results mean?
If bacteria are found, the health unit will explain next steps, which often include disinfecting the well and retesting. Repeated problems may point to a damaged cap or casing.
When is treatment worth it?
Hard water, iron staining, sulphur smells and repeated bacteria problems can all be treated with the right equipment. See well pumps and water treatment.
Look after the wellhead
Keep the area around the well cap clear, make sure the cap is secure and keep fuel, chemicals and manure well away from it.
How do I disinfect a well?
Shock chlorination is the usual method after a positive test, flooding or repairs. Follow the health unit's instructions carefully, or have a well contractor do it, then retest before drinking the water again. Keep a simple log of test dates and results with your house papers; it helps you spot changes and is useful when you sell. Septic systems should also sit well away from the well, so if you're adding or replacing either one, ask about the required separation.
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