Well Water Testing in Paso Robles, California

8 verified well water specialists serving Paso Robles. 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 Paso Robles

$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 Paso Robles

8 listings

Sierra Exploration Drilling Co Inc

Paso Robles, California

Featured
✓ CSLB C57

Sierra Exploration Drilling Co Inc provides professional home safety services in Paso Robles, CA. The company holds CSLB C57 certification. Contact Sierra Exploration Drilling Co Inc for more information.

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Apex Pump And Well Services

Paso Robles, California

Pro
✓ CSLB C57

Apex Pump And Well Services provides professional home safety services in Paso Robles, CA. The company holds CSLB C57 certification. Contact Apex Pump And Well Services for more information.

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Case Pacific Company

Paso Robles, California

Pro
✓ CSLB A | C57

Case Pacific Company provides professional home safety services in Paso Robles, CA. The company holds CSLB A | C57 certification. Contact Case Pacific Company for more information.

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Cook Pump And Well Service

Paso Robles, California

Pro
✓ CSLB C57

Cook Pump And Well Service provides professional home safety services in Paso Robles, CA. The company holds CSLB C57 certification. Contact Cook Pump And Well Service for more information.

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Hank'S Welding Service

Paso Robles, California

Pro
✓ CSLB A | C38 | C51 | C57

Hank'S Welding Service provides professional home safety services in Paso Robles, CA. The company holds CSLB A | C38 | C51 | C57 certification. Contact Hank'S Welding Service for more information.

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Lyles Water Well Drilling

Paso Robles, California

Pro
✓ CSLB C12 | C57

Lyles Water Well Drilling provides professional home safety services in Paso Robles, CA. The company holds CSLB C12 | C57 certification. Contact Lyles Water Well Drilling for more information.

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Midstate Drillers

Paso Robles, California

Pro
✓ CSLB C57

Midstate Drillers provides professional home safety services in Paso Robles, CA. The company holds CSLB C57 certification. Contact Midstate Drillers for more information.

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Pro-H20 Drilling And Pump Company

Paso Robles, California

Free
✓ CSLB A | C57

Pro-H20 Drilling And Pump Company provides professional home safety services in Paso Robles, CA. The company holds CSLB A | C57 certification. Contact Pro-H20 Drilling And Pump Company for more information.

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Well Water Testing in Paso Robles — 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.

Other services in Paso Robles

Foundation Repair

in Paso Robles, California

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