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Tell us
Start with what you’ve noticed
Tell us which tap, what changed and when. We help you choose the tests and give you a quote before you book.
Water testing
Water Testing in Fairfax County, VA
Cloudy water, an odd taste or a smell you can’t place? Get laboratory results from a sample collected at your Fairfax County home. We’ll help you choose the right tests.
Water Quality Association memberServing Fairfax County
How much does water testing cost in Fairfax County?
One panel starts at $325 on its own, or $275 with a home inspection. The loan panel starts at $450 or $400 with an inspection. Tell us what you want to learn; we confirm the price before booking.
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At home
We collect the water sample
A trained technician visits your property. Your samples go to an accredited independent laboratory for the tests you chose.
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Your results
Understand what the lab finds
Receive a written report for your selected tests. We confirm expected report timing when you book.
Across Fairfax County
Fairfax County homes may use public water or a private well. Fairfax Water notes that some customers receive Washington Aqueduct water. Check your bill to find the provider and water quality report for your address.
For a private well, Fairfax County’s Health Department recommends sampling the water every year. Tell us about the well and any filters so we can discuss which of the offered panels fits your question.
For a home on Fairfax Water, its 2026 water quality report covers utility testing completed in 2025. A sample from your own tap checks the substances in the panel you choose.
Local water information: County private-well guidance · Fairfax Water service areas · 2026 water quality report
North & east
West & central
South & inside the Beltway
Nearby water testing
Which test fits your question?
Tell us your concern. We’ll help you choose a panel, a group of tests, from the four options below.
- Bacteria panel
Concerned about bacteria?
Check for the bacteria in this panel, whether your concern involves drinking water or a private well.
What it measures: Total coliform · E. coli · Hydrogen sulfide bacteria
- Nitrate, nitrite & lead panel
What if the water looks fine?
A clear glass doesn’t tell you whether these substances are present. This panel checks for all three.
What it measures: Nitrate · Nitrite · Lead
- Water quality panel
An unusual taste or deposits?
Check acidity and dissolved material as part of looking into a taste or buildup concern.
What it measures: pH · Conductivity · Total dissolved solids · Salinity
- Turbidity panel
Cloudy water or particles?
Measure cloudiness from particles in the sample. Tiny air bubbles can also make water look cloudy.
What it measures: Turbidity, a measure of water clarity
Taste, smell and appearance alone don’t identify a cause. Each panel checks only what is listed; we’ll help you choose before you book.
Clear results. An informed next step.
Your results come from an independent laboratory. They can help you decide what to discuss with your water provider, lender or a treatment professional.
The report covers the sample and tests you chose.
Water testing questions in Fairfax County
My water tastes or smells different. Which test should I choose?
Tell us what changed, which taps are affected and when it happens. A taste or smell alone does not identify the cause. We’ll help you choose tests that fit your concern.
Can water look clear and still need testing?
Yes. Lead, for example, has no taste, smell or visible sign. Testing checks for the substances in your chosen panel; one panel does not cover everything.
Can you test a private well or a home on public water in Fairfax County?
Yes. Tell us which water source the home uses, plus any filters or softeners, so we can plan the sample collection.
How much does it cost?
One panel starts at $325 standalone or $275 with a home inspection. The loan panel starts at $450 standalone or $400 with an inspection. Ask for a quote for your home and the tests you need.
I’m buying a home. Will the loan panel meet my lender’s requirements?
Send your lender’s written requirements before booking. We’ll check the requested tests and collection instructions against the loan panel. Tell us your deadline too.
When will I get the results?
It depends on the tests and the laboratory. We confirm expected report timing when you book, so you can plan around your deadline.
Get informed about your water
Tell us what you’ve noticed in your Fairfax County home. We’ll help you choose a useful test.
NextDay Inspect
(703) 450-6398 · [email protected]
Serving Fairfax County, Virginia.