From The Pueblo Chieftain (Chris Woodka):
New rule of thumb: An inch of rain in Colorado Springs equals a foot rise for Fountain Creek in Pueblo. And corresponding demands for stormwater control.
“It’s one big funnel,” said Jay Winner, manager of the Lower Arkansas Valley Water Conservancy District. “Because Colorado Springs is unable to control its stormwater, it all flows very quickly into that narrow area we call Fountain Creek. Geographically, it’s a tight funnel that fills up very fast.”
Sites throughout Colorado Springs received anywhere from 0.7 to 1.4 inches of rain that fell throughout the city, heaviest over the Waldo Canyon burn scar, which increases the amount of mud. About 12 hours later, Fountain Creek changed from a meandering stream to a full-blown dirty river in Pueblo, with the level increasing by one foot.