Denver Post: An oil well by the Wyndham Hill area in Frederick is one of 49,236 wells in the state, up 31 percent since 2008. (Hyoung Chang, The Denver Post)
Colorado's proposed new rule to protect water from expanding oil and gas operations would not apply to more than 25 percent of wells or to the tanks, pipelines and other production facilities that are frequent sources of leaks.
Environmental groups that worked with Shell Oil to develop a tougher before-and-after groundwater-testing rule are calling...