Disclaimer: This article provides information for general knowledge and informational purposes only, and does not constitute legal advice. Readers should consult with qualified legal counsel for advice tailored to their specific circumstances.
PFAS Contamination Map Shows Expanding Scope of Forever Chemical Pollution Across the U.S.
Subject Matter Expert –
PFAS Contamination Map Shows Expanding Scope of Forever Chemical Pollution Across the U.S.
Environmental Working Group’s Data Points to Widespread Public and Private Water System Contamination
The latest update to the Environmental Working Group’s (EWG) PFAS contamination map underscores the expanding scale of “forever chemical” pollution across the United States. According to newly released EPA testing data under the Fifth Unregulated Contaminant Monitoring Rule, detectable levels of PFAS have been identified at 3,539 public water system sites based on results from approximately 95% of the community water systems tested under the rule.
Known PFAS Contamination Now Spans All 50 States
This brings the total number of known PFAS-contaminated sites to 9,728 across all 50 states, the District of Columbia, and four U.S. territories. The data also indicate that an estimated 176 million people live in communities where drinking water has tested positive for PFAS.
The map is important because it provides a visual, data-driven picture of how widespread PFAS contamination has become. As additional testing is completed, more communities are discovering contamination in public and private water systems. Because PFAS do not naturally break down in the environment and can accumulate in the human body, the growing number of detections raises significant public health, regulatory, and litigation concerns.
Helping Law Firms Organize Claimant, Exposure, and Documentation Data at Scale
For law firms, municipalities, water providers, and affected communities, this expanding contamination map reinforces the need for organized data collection, exposure analysis, documentation review, and claims management. As PFAS testing continues and more sites are identified, the ability to evaluate claims by geography, water source, exposure
For firms evaluating PFAS-related claims, Verus helps organize complex claimant, exposure, and documentation data so legal teams can better assess case readiness, identify gaps, and manage large-scale litigation with confidence.
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