New York State Well Contamination Map
Known PFAS, chemical, and groundwater contamination sites — sourced from NY DEC, NYSDOH, EPA, EWG & USGS public records
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Contamination Sites (15)
Map Legend
Official Data Sources
Contamination data compiled from verified government, academic, and nonprofit public records. All links below are primary sources.
NY DEC Water Well Database
Official NY State well completion reports submitted by registered drillers
NYS GIS Clearinghouse — Water Wells
Geospatial dataset of all registered water wells in NY State
ESOGIS Interactive Well Map
NY State Museum geological well map with depth and formation data
NY DEC PFAS Investigations
NY DEC ongoing PFAS site investigations and contamination updates
NYSDOH Drinking Water Reports
NY Dept of Health water quality advisories and private well guidance
EWG PFAS Contamination Map
Environmental Working Group national PFAS contamination tracker
EPA ECHO — NY Facilities
EPA enforcement and compliance data for regulated facilities near water sources
USGS Groundwater Data for NY
Real-time groundwater level monitoring stations across New York State
Data Disclaimer: Contamination levels shown reflect publicly documented peak measurements from official government sources. Actual current levels may differ. This map is for informational and advocacy purposes. For health decisions, consult your county health department or NYSDOH. Private well owners are strongly encouraged to test annually — contact NYSDOH Private Well guidance for certified labs.