Heavy rain and flooding can cause surface water to enter your private water well. This means there is a risk of harmful germs (bacteria) getting in and contaminating the water. Test your well water for bacteria after flood waters go down (recede) to make sure it’s safe.
Don’t drink untreated well water until you get your test results back. You may need to
boil your water while you’re waiting for your results.
The Provincial Laboratory for Public Health (ProvLab) tests private drinking water systems. However, the ProvLab can’t test water for every type of harmful germ. The ProvLab does 2 standard tests on water samples to show how likely they are to be contaminated with bacteria.
The ProvLab tests for:
After the heavy rain stops and the flooding is over, send
a water sample to a lab for testing.
If your first water sample results shows:
Find out more about
water safety including:
Current as of: March 7, 2018
Author: Environmental Public Health, Alberta Health Services
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