Well Water Testing in Fresno, California

11 verified well water specialists serving Fresno. 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 Fresno

$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 Fresno

11 listings

Kechichian Joseph Viken

Fresno, California

Featured
✓ CSLB C57

Kechichian Joseph Viken provides professional home safety services in Fresno, CA. The company holds CSLB C57 certification. Contact Kechichian Joseph Viken for more information.

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Featured
✓ CSLB C57

Technicon Engineering Services Inc provides professional home safety services in Fresno, CA. The company holds CSLB C57 certification. Contact Technicon Engineering Services Inc for more information.

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Asbury Well Drilling & Pumps

Fresno, California

Pro
✓ CSLB C57

Asbury Well Drilling & Pumps provides professional home safety services in Fresno, CA. The company holds CSLB C57 certification. Contact Asbury Well Drilling & Pumps for more information.

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Bakersfield Well & Pump Co

Fresno, California

Pro
✓ CSLB A | C57 | D21

Bakersfield Well & Pump Co provides professional home safety services in Fresno, CA. The company holds CSLB A | C57 | D21 certification. Contact Bakersfield Well & Pump Co for more information.

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Bsk Associates

Fresno, California

Pro
✓ CSLB C57

Bsk Associates provides professional home safety services in Fresno, CA. The company holds CSLB C57 certification. Contact Bsk Associates for more information.

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Hp Water Systems Inc

Fresno, California

Pro
✓ CSLB C10 | C57 | D21

Hp Water Systems Inc provides professional home safety services in Fresno, CA. The company holds CSLB C10 | C57 | D21 certification. Contact Hp Water Systems Inc for more information.

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Katch General And Katch

Fresno, California

Free
✓ CSLB A | ASB | B | C21 | C22 | C31 | C39 | C57 | HAZ

Katch General And Katch provides professional home safety services in Fresno, CA. The company holds CSLB A | ASB | B | C21 | C22 | C31 | C39 | C57 | HAZ certification. Contact Katch General And Katch for more information.

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Kroeker Inc

Fresno, California

Free
✓ CSLB A | ASB | C10 | C12 | C21 | C57 | D06 | D49 | HAZ

Kroeker Inc provides professional home safety services in Fresno, CA. The company holds CSLB A | ASB | C10 | C12 | C21 | C57 | D06 | D49 | HAZ certification. Contact Kroeker Inc for more information.

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Moore Twining Associates Inc

Fresno, California

Free
✓ CSLB C57

Moore Twining Associates Inc provides professional home safety services in Fresno, CA. The company holds CSLB C57 certification. Contact Moore Twining Associates Inc for more information.

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Salem Well Drilling

Fresno, California

Free
✓ CSLB C57

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

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Swage Kings Inc

Fresno, California

Free
✓ CSLB C57

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

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Well Water Testing in Fresno — 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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