Certified labs near Philadelphia, Pennsylvania
Lancaster, Pennsylvania · (717) 656-2300
63 mi away
Midlothian, Virginia · (804) 763-1200
224 mi away
Mansfield, Massachusetts · (508) 898-9220
247 mi away
Pittsburgh, Pennsylvania · (412) 922-4000
261 mi away
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Labs on Pennsylvania’s official list
- Philadelphia Bureau of Laboratories, Philadelphia · ~7 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Eagle Industrial Hygiene Associates Inc, Willow Grove · ~10 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Aqua Pennsylvania, Inc., Bryn Mawr · ~10 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Criterion Laboratories Inc, Bensalem · ~12 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Eurofins Environment Testing Philadelphia LLC, Horsham · ~12 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- PA American Water Co - Norristown, Norristown · ~13 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Analytical Laboratories, Inc, Telford · ~25 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
- Brandywine Science Center, Kennett Square · ~33 miListed in Pennsylvania DEP’s certified lab list. See the official list → (checked 2024-06-11)
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Official lab list for Pennsylvania
Pennsylvania DEP – private well water testingPennsylvania's environmental agency explains well testing and links to its reports of labs accredited for drinking water.www.pa.gov · checked 2026-10-18Pennsylvania Department of Environmental ProtectionThis state agency certifies the labs that may test drinking water. Use its list to pick a certified lab for your well sample.cedatareporting.pa.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.