Well Water Testing in Sonora, California

4 verified well water specialists serving Sonora. 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 Sonora

$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 Sonora

4 listings

We're still building out our Sonora directory. These are the 4 verified well water specialists we've confirmed so far — see more across California.

Precision Pump Service Inc

Sonora, California

Pro
✓ CSLB A | C57

Precision Pump Service Inc provides professional home safety services in Sonora, CA. The company holds CSLB A | C57 certification. Contact Precision Pump Service Inc for more information.

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Canepa And Sons Inc

Sonora, California

Free
✓ CSLB C57

Canepa And Sons Inc provides professional home safety services in Sonora, CA. The company holds CSLB C57 certification. Contact Canepa And Sons Inc for more information.

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Tanko Bros Inc

Sonora, California

Free
✓ CSLB C57

Tanko Bros Inc provides professional home safety services in Sonora, CA. The company holds CSLB C57 certification. Contact Tanko Bros Inc for more information.

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Tanko Dennis

Sonora, California

Free
✓ CSLB C57

Tanko Dennis provides professional home safety services in Sonora, CA. The company holds CSLB C57 certification. Contact Tanko Dennis for more information.

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Well Water Testing in Sonora — 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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