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
Environmental Working Group has compiled drinking water contamination on over 39751 water utilities in 42 states through contact with state environmental and health agencies. For the first time ever, you will see how your tap water stacks up against other cities and towns throughout the US.