Find where to get your well water tested, state by state

Private wells are the owner's responsibility. The EPA advises testing a private well every year for total coliform bacteria, nitrates, total dissolved solids and pH, and notes your local health department may offer private well testing for free. [source]

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Covered so far

Guides

• Where to get well water tested (all options)
• Mail-in kit vs. certified lab vs. county program
• Well water smells like rotten eggs
• Buying a house with a well: testing checklist
• How to collect a bacteria sample

Sources

1. US EPA – Protect Your Home's Water (accessed 2026-10-21)

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