Well Water Testing in Sebastopol, California

2 verified well water specialists serving Sebastopol. Every listing shows the credentials we verified.

Informational only. This page helps you find certified professionals. It is not medical, legal, or structural safety advice. For any health or safety hazard, consult a certified/licensed expert. See our verification methodology.

Typical cost in Sebastopol

$150–$600

Credentials to expect

EPA-Certified Lab, State Health Dept Certified, NELAP Accredited

Key fact

~43 million U.S. homes rely on private wells; the majority are under-tested.

Well Water specialists in Sebastopol

2 listings

Fisch Bros Drilling

Sebastopol, California

Free
✓ CSLB A | C57

Fisch Bros Drilling provides professional home safety services in Sebastopol, CA. The company holds CSLB A | C57 certification. Contact Fisch Bros Drilling for more information.

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Weeks Drilling And Pump Co

Sebastopol, California

Free
✓ CSLB C36 | C57 | D21

Weeks Drilling And Pump Co provides professional home safety services in Sebastopol, CA. The company holds CSLB C36 | C57 | D21 certification. Contact Weeks Drilling And Pump Co for more information.

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Well Water Testing in Sebastopol — FAQ

How often should I test my well water?
The CDC recommends annual testing for bacteria, nitrates, and pH — and after any flooding or nearby land-use change.
What does a well water test cost?
A standard panel runs $150–$600 depending on the contaminants screened (bacteria, nitrates, arsenic, lead, VOCs).
Why use a certified lab?
Only EPA/state-certified or NELAP-accredited labs produce results accepted for real-estate transactions and regulatory purposes.

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