West private wells

Washington private well water test guide

Learn which results matter, how to read your lab report, and when Washington homeowners should retest or call a well professional.

Common concerns in WA

  • Nitrate - High nitrate can be dangerous for infants and pregnant people.
  • Arsenic - Long-term arsenic exposure is linked to cancer and other chronic health risks.

Washington contaminant pages

Keep your well history

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 for your family or water professional.

Save Washington well test results