Well Water Testing in Oroville, California

5 verified well water specialists serving Oroville. 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 Oroville

$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 Oroville

5 listings

Precision Pump Company

Oroville, California

Featured
✓ CSLB C57 | D21

Precision Pump Company provides professional home safety services in Oroville, CA. The company holds CSLB C57 | D21 certification. Contact Precision Pump Company for more information.

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Westervelt Well Drilling

Oroville, California

Pro
✓ CSLB C57

Westervelt Well Drilling provides professional home safety services in Oroville, CA. The company holds CSLB C57 certification. Contact Westervelt Well Drilling for more information.

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E N W O P Llc

Oroville, California

Free
✓ CSLB A | C10 | C57

E N W O P Llc provides professional home safety services in Oroville, CA. The company holds CSLB A | C10 | C57 certification. Contact E N W O P Llc for more information.

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Enprobe Inc

Oroville, California

Free
✓ CSLB C57

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

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Wiegand'S Water Well Drilling

Oroville, California

Free
✓ CSLB C57

Wiegand'S Water Well Drilling provides professional home safety services in Oroville, CA. The company holds CSLB C57 certification. Contact Wiegand'S Water Well Drilling for more information.

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Well Water Testing in Oroville — 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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