Test your well water once a year for bacteria and nitrates and every 3 to 5 years for arsenic, fluoride, uranium, radon, lead, and manganese.
If you have never tested your well water, we recommend doing a comprehensive test. Other times to test your well include:
Get our brochure to learn more about well water testing
Find a lab to test your well water
Find a lab certified to test water for Radon
Learn more from the Maine government website