Tag: flood

Cottonwood Creek: “It Will Cost a Pretty Penny”

It must have been a dry July when the City of Boise founders platted the first streets in 1863. They established the city in the channel of Cottonwood Creek. Although Cottonwood Creek is a large tributary to the lower Boise River, it can dry up for months between rain storms and snow melt. The natural… Read more »

Cottonwood Creek: “A Great Source of Trouble and Expense”

A deep freeze had clenched the Boise valley for weeks and snow lay thick on the foothills. In mid-January the temperature shot up to a balmy 50 degrees and rain began to fall.  Day after day the rain continued. On January 21, 1866, according to the January 23, 1866 edition of the Idaho Tri-Weekly Statesman,… Read more »

Floodplains Are Refuge for Fish in High Water

by Michael K. Homza, PE It’s humbling to stand on the banks of the Boise River as it roars by above its official flood discharge of 7,200 cubic-feet-per-second (cfs). It’s deep, cold and fast. I wonder if I could survive an attempt to swim across to the other bank. I shudder at the thought. Luckily,… Read more »