How to Read a Private Well Water Test Report

A plain-English guide to units, lab flags, EPA limits, and what to do after a private well water test.

Next steps

Check my water results
Tests to run: nitrate, arsenic, lead, bacteria, pH, hardness, iron, manganese.
Educational guidance only. Always confirm important decisions with a certified laboratory, local health department, qualified water treatment professional, or clinician.

Download iOS App

Interpret once on the web. Track forever in the app.

Save test history, set annual reminders, compare results over time, and create a shareable report.

Download the iOS app

Educational guidance only. Always confirm important decisions with a certified laboratory, local health department, qualified water treatment professional, or clinician.