What do my test results mean?

Learn about the meaning of the test results on our Test Result Explanations page.

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1. How often should I test my well water for bacteria?
2. How do I test my well water for bacteria?
3. What should I do if coliform bacteria are detected in my well?
4. What do my test results mean?
5. How can I eliminate coliform bacteria from my well water?
6. How can bacteria get into drinking water?