Well Water Testing in Santa Rosa, California

7 verified well water specialists serving Santa Rosa. 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 Santa Rosa

$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 Santa Rosa

7 listings

Clear Heart Drilling Inc

Santa Rosa, California

Pro
✓ CSLB A | B | C57

Clear Heart Drilling Inc provides professional home safety services in Santa Rosa, CA. The company holds CSLB A | B | C57 certification. Contact Clear Heart Drilling Inc for more information.

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Pro
✓ CSLB C55 | C57 | D21

Petersen - Gpm Well Testing And Water Treatment Services Llc provides professional home safety services in Santa Rosa, CA. The company holds CSLB C55 | C57 | D21 certification. Contact Petersen - Gpm Well Testing And Water Treatment Services Llc for more information.

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Razo Drilling And Pump Co

Santa Rosa, California

Pro
✓ CSLB C57

Razo Drilling And Pump Co provides professional home safety services in Santa Rosa, CA. The company holds CSLB C57 certification. Contact Razo Drilling And Pump Co for more information.

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Pacific Coast Drilling Company Inc

Santa Rosa, California

Free
✓ CSLB A | C57

Pacific Coast Drilling Company Inc provides professional home safety services in Santa Rosa, CA. The company holds CSLB A | C57 certification. Contact Pacific Coast Drilling Company Inc for more information.

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Petersen Les Drilling & Pump Inc

Santa Rosa, California

Free
✓ CSLB A | C55 | C57 | D21

Petersen Les Drilling & Pump Inc provides professional home safety services in Santa Rosa, CA. The company holds CSLB A | C55 | C57 | D21 certification. Contact Petersen Les Drilling & Pump Inc for more information.

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Pumpman Norcal

Santa Rosa, California

Free
✓ CSLB A | C10 | C16 | C55 | C57 | D21

Pumpman Norcal provides professional home safety services in Santa Rosa, CA. The company holds CSLB A | C10 | C16 | C55 | C57 | D21 certification. Contact Pumpman Norcal for more information.

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Stapleton Brett Austin

Santa Rosa, California

Free
✓ CSLB A | C57 | D09

Stapleton Brett Austin provides professional home safety services in Santa Rosa, CA. The company holds CSLB A | C57 | D09 certification. Contact Stapleton Brett Austin for more information.

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Well Water Testing in Santa Rosa — 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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