CASPER, Wyo.β Officials in Wyoming say the dam at Pathfinder Reservoir will spill over for the fourth time in 30 years.
Mahonri Williams, chief of the resources management division for the Wyoming office of the Bureau of Reclamation, told The Casper Star-Tribune that the Pathfinder in Alcova doesn't spill over often. The most recent spill was in 2011.
Williams says an unexpected increase in snowpack levels in March and April led to the overflowing dam. He says officials will try to move water downstream if they know a big inflow is coming, but they weren't expecting this year's snowpack increase and had little time to react.
Williams expects the reservoir to be two feet above the spillway by mid-June.
