Certified labs near Herndon, Virginia
Lancaster, Pennsylvania · (717) 656-2300
95 mi away
Midlothian, Virginia · (804) 763-1200
107 mi away
Pittsburgh, Pennsylvania · (412) 922-4000
173 mi away
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Labs on Virginia’s official list
- Fairfax Water, Herndon · ~1 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- HP Environmental, Inc., Herndon · ~1 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- Legacy Environmental Laboratory, LLC, Sterling · ~3 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- Loudoun Water Laboratory, Ashburn · ~7 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- Fairfax County Health Department Joanne Jorgenson Laboratory, Fairfax · ~10 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- Water Testing Labs of Virginia, Burke · ~14 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- Virginia American Water Company - Alexandria, Alexandria · ~21 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
- H2O Quality Laboratory a Division of Prince William Water, Woodbridge · ~25 miListed in Virginia DCLS’s certified lab list. See the official list → (checked 2026-10-17)
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Official lab list for Virginia
Virginia DCLS – find an accredited or certified labVirginia's state laboratory keeps the official list of labs certified to test drinking water. Check it before you send a well sample.dgs.virginia.gov · checked 2026-10-18Virginia Division of Consolidated Laboratory ServicesThis state agency certifies the labs that may test drinking water. Use its list to pick a certified lab for your well sample.dgs.virginia.gov · checked 2026-10-18 · link via EPA
Recommended tests
- Every year: bacteria (total coliform and E. coli), nitrate, pH and total dissolved solids — CDC
Many labs accept mailed samples, so a lab a few hours away may still work for you.