PS
Penn State Agricultural Analytical Services Laboratory
University Park, PA
State-certified water testing labs in Pennsylvania
4 state-accredited labs for drinking and well water testing in Pennsylvania.
4 certified labs
Labs come from state lab accreditation records. Accreditation is granted test by test and must be renewed, so confirm the lab is currently certified for the tests you need before you collect a sample.
We list Pennsylvania labs one at a time after checking each lab's DEP accreditation. More are on the way. Until then, the mail-in labs below are certified in Pennsylvania.
Smaller counties in Pennsylvania
Counties with only a few listings so far, grouped by county.
Centre County 1
Erie County 1
EW
Erie Water Works Laboratory
399 Sommerheim Drive, Erie, PA
Public water system lab. Many don't accept private well samples, so call first.
Lancaster County 1
EL
Eurofins Lancaster Laboratories Environmental
2425 New Holland Pike, Lancaster, PA
Luzerne County 1
ML
Microbac Laboratories - Pittston
428 Route 315 Highway, Pittston, PA
Mail-in labs that ship to Pennsylvania
How mail-in testing worksNT
National Testing Laboratories (WaterCheck)
Ships nationwide
Single tests from $75; well and city packages $165 to $440
Certified in Pennsylvania
TS
Tap Score by SimpleLab
Ships nationwide
Single-contaminant kits from about $145; full well and city panels about $300 to $870
Testing service: sends your sample to a partner lab.
Bad result? Get help from water treatment pros near Pennsylvania
Tell us what your test found and we'll connect you with up to three local water treatment companies.
What happens next
- We match your ZIP to water treatment companies nearby.
- They contact you directly to talk through your results.
- Compare options and pick one, or none. No fee, no obligation.
Free, no obligation. We don't sell your details to anyone else.
Just need a lab? Every certified lab is listed above with directions.