Enforcement ActionLiveEnforcement Action
Illinois EPA notifies Dupo water systems of PFAS detections above state standards
Illinois PFAS Right-to-Know RequirementsIllinois Environmental Protection AgencyIllinois
Announced
Jan 14, 2026
Description
Illinois EPA notified the Village of Dupo and connected water systems that PFAS compounds were detected in water sampling at levels exceeding the state's newly established groundwater quality standards. This action triggers mandatory Right-to-Know notification requirements under Illinois law, requiring water systems to notify customers within 5 business days. This demonstrates ongoing enforcement of Illinois' state-level PFAS standards independent of federal regulatory actions.
Sources
Key Findings
Illinois EPA notifies Dupo water systems of PFAS detections above state standards
January 14, 2026 Kim Biggs, Illinois EPA FOR IMMEDIATE RELEASE 217-558-1536 kim.biggs@illinois.gov Illinois EPA Notifies Village of Dupo and Connected Water Systems of Right-to-Know Requirements Triggered by Recent Sampling PFAS Chemical Detected in Groundwater; System Owners/Operators, Private Well Owners, and all Residents are Encouraged to be Proactive in Reducing PFAS Exposure Springfield – The Illinois Environme