Certified labs near Concord, New Hampshire
Mansfield, Massachusetts · (508) 898-9220
86 mi away
Lancaster, Pennsylvania · (717) 656-2300
328 mi away
Pittsburgh, Pennsylvania · (412) 922-4000
478 mi away
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Labs on New Hampshire’s official list
- Eurofins Environmental Testing Eastern Analytical, ConcordListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- NHDHHS Public Health Laboratories, ConcordListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Nelson Analytical Maine, KennebunkListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Endyne Inc., LebanonListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Seacoast Analytical Services LLC, LeeListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Nelson Analytical LLC, ManchesterListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Eurofins Portsmouth, PortsmouthListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
- Nelson Analytical Keene, SwanzeyListed in New Hampshire DES’s certified lab list. See the official list → (checked 2026-10-17)
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Official lab list for New Hampshire
NHDES – laboratories for private well testingNew Hampshire's environmental agency keeps a list of accredited labs that test water from private wells.www.des.nh.gov · checked 2026-10-17 (browser)New Hampshire Department of Environmental ServicesThis state agency certifies the labs that may test drinking water. Use its list to pick a certified lab for your well sample.www4.des.state.nh.us · 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.