Hydrocarbons found in Wyo. stock well Trace amounts of hydrocarbons have been found for the first time in a livestock water well bordering a natural gas drilling area in southwest Wyoming. Officials say the concentrations of hydrocarbons found in the well were minuscule and posed no threat to human or animal health. But they were still concerned. "We found this detection for hydrocarbons, which shouldn't be there, and we're trying to figure out how it got there and where it's coming from," Chuck Otto, director of the Bureau of Land Management's office in Pinedale, said Tuesday. The state hasn't determined the source of the hydrocarbons found in the livestock water well, but the nearby oil and gas drilling is a likely suspect, according to Mark Thiesse, hydrogeologist with the state Department of Environmental Quality....