The Special Environmental Situation of Boulder


Boulder has a unique environmental situation, primarily due to the proximity to the Rocky Mountains and the occurance of daily afternoon thunderstorms during the summer months. These thunderstorms, sometimes quite severe, have the ability to create flash flood situations. Additionally, the majority of downtown Boulder lies in the flood plain of Boulder Creek. The construction of a dam, 15 miles upriver of Boulder has provided some flood control, however the threat for a massive 100 year flood is still a reality.

Signs like this one warn Boulderites of the ever present threat of flash floods.


created 3/9/2002; last revised 5/1/2002 - Matt Kuhn & Andreas von der Dunk