PA · 67 COUNTIES

Well Water Testing — Pennsylvania

Certified labs and testing options for private well owners in Pennsylvania.

County Risk Distribution

67counties
High Risk — 69% Moderate Risk — 28% Low / Info — 3%

Why Test Your Well Water?

Private well owners in Pennsylvania are responsible for the safety of their own water. The EPA recommends testing annually for coliform bacteria and nitrate, and whenever a change in water quality is noticed. For contaminants common in Pennsylvania — such as Iron, Sodium, pH — additional targeted testing is advisable.

Find a Certified Lab

State-Certified Labs

Contact your state drinking water program for a list of certified labs in Pennsylvania.

What to Test For in Pennsylvania

Based on Pennsylvania groundwater data, the most common contaminants in private wells are:

Browse the county directory to see specific contaminant data for your area.