Penn State Agricultural Analytical Services Laboratory
720 Tower Rd
University Park, PA 16802
- Total coliform bacteria
- Nitrate
- Arsenic
- Lead
DEP-accredited. Kits available through many county Extension offices. Email [email protected].
Well water testing in Centre County, Pennsylvania
Labs copied from the official Pennsylvania certified lab list (last verified 2026-10-27). All Pennsylvania labs
The official Pennsylvania list shows 1 certified lab in Centre County. Call before you sample to confirm the lab accepts private well water and to ask about bottles, prices and drop-off times.
Certified labs in Centre County
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What to test for
- Test every year for total coliform bacteria, nitrates, total dissolved solids, and pH. Use a state-certified drinking water laboratory. Source
- Penn State Extension: about half of PA private wells that have been tested show at least one water-quality problem, yet only about half of wells have ever been tested. Source
- 2025 Penn State citizen-science study: PFAS detected in 65% of 167 private wells sampled statewide; 18% exceeded EPA health-related limits, with higher detections in southeastern PA. Source
After a flood in Centre County
EPA says to test a private well for bacteria after flooding before drinking the water again. Check current flood alerts and Flood Watch, and read flood season testing. EPA: your well after a flood
Local help
Your Centre County or local health department can tell you about local well testing, including any free or low-cost programs. State contact: PA DEP — private well water testing guidance.
Questions
Where can I test well water in Centre County, PA?
The official Pennsylvania certified lab list shows 1 lab in Centre County; they are listed on this page with phone numbers. Call first to confirm they accept private well samples.
How often should I test my well?
EPA recommends testing every year for total coliform bacteria, nitrates, total dissolved solids and pH, and testing right away after flooding, well repairs, or a change in taste, color or smell.