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Tool

Washington State Department of Health Dashboard for Drinking Water Results

October 2, 2025

This online dashboard includes a mapping tool showing PFAS results for drinking water testing at Group A public water system sources, as well as a data table and summary statistics.

Michigan Department of Environment, Great Lakes, & Energy PFAS Geographic Information System

October 2, 2025

This online mapping tool features datasets on PFAS sites, areas of interest, water and fish sampling, and more.

Vermont Department of Natural Resources PFAS Sampling Inventory

October 2, 2025

This online mapping tool can be customized using 150 different map layers and including PFAS sampling results for waste management and drinking water.

Michigan EGLE PFAS Sites and Areas of Interest

September 30, 2025

This webpage features an app and table with several datasets including official PFAS sites, surface water sampling results, public water supply results, and fish sampling results.

New York Department of Environmental Conservation PFAS and 1,4-Dioxane Information Portal Portal

September 29, 2025

This portal includes information related to priority waterbodies and facilities as defined in Technical and Operational Guidance Series (TOGS )1.3.13 and ambient water quality information.

USGS Predictive Model of PFAS in Water

November 20, 2024

Reports national estimates of PFAS occurrence in untreated groundwater that supplies water to public and private wells (e.g., drinking water sources) to help the public, water suppiers, and regulators understand…

PFAS in U.S. Groundwater Interactive Dashboard

October 25, 2024

Displays information for pulblic or domestic groundwater and the probability of PFAS occurrence.

Missouri PFAS Viewer

May 15, 2024

Identifies the geographic location of voluntary sampling for PFAS in public drinking water systems in Missouri.

California GeoTracker PFAS Map

February 6, 2024

Interactive map of sampling points, drinking water well data, and other locations of PFAS sampling and investigative orders.

EPA PFAS Analytic Tools

February 6, 2024

Compilation of that can be used to evaluate what is known about PFAS manufacture, release, and occurrence in communities. 

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