Commercial Testing: H2O Quality Laboratory

The H2O Quality Laboratory is a certified commercial laboratory. Our primary focus is to supply water quality testing.
Photo: a gloved hand reaching for laboratory test tubes and flasks
Test Your Water

  • Tap Water Testing

    In addition to compliance testing, Prince William Water offers free tap water testing to our customers once per year.

    Start a Tap Water test

  • Well Water Testing

    Prince William Water's H2O Quality Lab offers well water quality testing to non-customers in Prince William County for a nominal fee.

    Well Water Testing Flyer (6.91 MB)

  • Testing for Commercial Enterprises

    The H2O Quality Lab offers tap water and wastewater testing for commercial enterprises and businesses, including other laboratories. Commercial customers will need to fill out a Chain of Custody.

    Start a Commercial Test

Tap Water Testing Request

After submission, a member of the lab staff will reach out to you to confirm your request and provide you with payment instructions. Testing results will be released once full payment is received. Please refer to the FAQ if you are unsure if you need testing.

Please click here for priority pricing. Priority pricing is for sample collection and analysis outside of laboratory business hours.

Laboratory business hours:
Monday-Thursday: 7:30 a.m. - 1:30 p.m.
Friday: 7:30 a.m. - 9:30 a.m.

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What parameters would you like tested?

Estimate your costs using the calculator below.

If you are unsure what parameters you would like tested, please leave a note below and a member of the H2O Quality Lab staff will contact you.

Parameters and Pricing – Drinking Water

Potable Water
Organics
$67.00
$135.00
$135.00
Metals
$22.50
$22.50
$22.50
$22.50
$22.50
$22.50
$38.50
Metals using ICP-MS EPA Method 200.8.

(Aluminum, Antimony, Arsenic, Barium, Beryllium, Cadmium, Chromium, Copper, Lead, Manganese, Nickel, Selenium, Silver, Thallium, Zinc)
$45.50
$27.00
$21.00
$18.00
Microbiology
$33.00
$61.00
$31.00
$30.00
Inorganics
$20.00
$20.00
$40.00
$21.00
Miscellaneous
$28.50
$29.50
$29.50
Water Reclamation
Metals
$23.50
$23.50
$23.50
$23.50
$23.50
$23.50
$23.50
Microbiology
$31.00
$50.00
Inorganics
$20.00
$20.00
$40.00
$21.00
$21.50
$17.50
$17.50
$27.50
Miscellaneous
$28.50
$29.50
$46.50
$23.50
$23.50
$23.50
$23.50
$23.50
Separate total solids analysis is required
$35.00

Please include any additional details

For example, if you need to test different parameters for different samples, you can indicate that in the box below.

Commercial Customers Only: Chain of Custody

Commercial customers should download and complete the Chain of Custody form. This form must accompany all samples requiring testing.

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Once your request is submitted, a member of the lab team will contact you to confirm your order and provide payment instructions. Testing results will be released once full payment is received.

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