Pennsylvania Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Pennsylvania. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Pennsylvania draws drinking water from the Delaware and Susquehanna River watersheds and extensive limestone and sandstone aquifers. Legacy industrial contamination and acid mine drainage affect water sources in the coal and steel regions. Lead from aging infrastructure is a significant concern in Philadelphia, Pittsburgh, and many smaller cities.
Find Your Water System in Pennsylvania
Enter your ZIP code to see EPA violations, lead test results, PFAS data, and a safety grade for your water.
📊 Data from EPA’s SDWIS
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🔄 Updated quarterly
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🏛️ 0+ water systems in Pennsylvania