Between September 11 and 15, 2013, Boulder received over 15 inches of rainfall (Daily Camera, 2013 Floods) resulting in severe flooding that destroyed 345 and damaged 557 houses, damaged 150 miles of county roads, and killed 4 people. Experts have claimed that this particular event was a 1000-year rain and a 100-year flood. The reality, however, is that floods are not new to Boulder (Static BoulderColorado).
Floods have been recorded in Boulder and the surrounding areas since 1844. Between 1844 and 1900, 10 floods were reported, of which 3 occurred in 1864 alone. Despite the frequency of floods, flood mitigation only entered public consciousness after the 1894 floods, during which peak discharge was estimated between 7,400 and 13,200 cubic feet per second and floodwaters destroyed building, roads, and bridges. Mitigation measures taken at this t