EWG Investigation | U.S. Tap Water Quality Database

Health Limit Exceeded
• Placeholder text

Legal Limit
• EPA set legal limit which balances health concerns and treatment costs

Tier 3 Control - past mining and drilling
• Closed or abandoned mines/plans/notices
• Mineral rich land that has been titled to mining interests (mining patents)
• Formerly drilled and pumped oil & gas Leases

EWG INVESTIGATION

Findings

About The Data

News Release

EWG Statement, 03/10/2008

Credits

The Environmental Working Group would like to extend a heartfelt thank you to the dedicated foundations whose support made this project possible: The Agua Fund, The New York Community Trust, Park Foundation, and the Wallace Genetic Foundation. The opinions expressed in the Tap Water Quality Database are those of the authors and do not necessarily reflect the views of the supporters listed above. EWG is responsible for any errors of fact or interpretation contained in this report.