Agreement with the EPA would resolve claims the fertilizer company violated waste and community-protection laws. Simplot would change operations, monitor groundwater and devise a $126-million closure plan.
Temporary water transfers allow water-rights holders to sell billions of gallons of state-owned water for millions of dollars, almost none of which goes to the state.
State says still no definitive link between oil and gas industry and petroleum compounds discovered in water from some domestic wells.
In 2012, the Powder River Basin Resource Council published a six-point plan to protect Wyoming’s groundwater.
Wyoming passed a baseline groundwater testing rule for oil and natural gas activity, which may provide data needed to determine if drilling or fracking damages groundwater resources.