** FILE ** John Fenton and others examine neighbor Louis Meeks' water in 2007 in Pavillion, Wyo., where federal officials indicated people shouldn't drink water from 40 wells in and around this central Wyoming farming and ranching community. (AP Photo/Casper Star-Tribune, Dustin Bleizeffer)

Photo by: Dustin Bleizeffer

** FILE ** John Fenton and others examine neighbor Louis Meeks' water in 2007 in Pavillion, Wyo., where federal officials indicated people shouldn't drink water from 40 wells in and around this central Wyoming farming and ranching community. (AP Photo/Casper Star-Tribune, Dustin Bleizeffer)