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.

Well Water Testing in New Castle, Delaware

3 verified well water specialists serving New Castle. 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 New Castle

$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 New Castle

3 listings

We're still building out our New Castle directory. These are the 3 verified well water specialists we've confirmed so far — see more across Delaware.

Hernandez Sanitation Services

New Castle, Delaware

Featured

✓ DE Licensed Class F (Liquid Waste)✓ Class F (Liquid Waste)

Hernandez Sanitation Services is a DE Licensed provider of Class F liquid waste services located in New Castle, Delaware. The company is certified to handle Class F liquid waste. Contact Hernandez Sanitation Services for more information.

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A-1 Sanitation Service Inc

New Castle, Delaware

Pro

✓ DE Licensed Class F (Liquid Waste)✓ Class F (Liquid Waste)

A-1 Sanitation Service Inc provides Class F liquid waste services in New Castle, Delaware. The company holds a Delaware license for Class F liquid waste handling. Contact A-1 Sanitation Service Inc for more information.

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Corrado Construction Company Llc

New Castle, Delaware

Pro

✓ DE Licensed Water Well Contractor✓ Water Well Contractor

Corrado Construction Company Llc is a water well contractor based in New Castle, Delaware. The company holds certification as a DE Licensed Water Well Contractor. Contact Corrado Construction Company Llc for more information.

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Well Water Testing in New Castle — 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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