Boulder County flood structure tally — 337 structures destroyed, $41 million #COflood

Surfing Boulder Creek September 2013 via @lauras
Surfing Boulder Creek September 2013 via @lauras

From the Boulder Daily Camera (Charlie Brennan) via the Longmont Times-Call:

September’s historic flood destroyed a total of 337 structures on 313 properties in Boulder County, representing $41 million in market value, according to newly released data from the Assessor’s Office.

The county is waiving taxes on those ruined properties for Sept. 13 through the end of the year, meaning taxes won’t be levied against a combined total of $12,367,815 in market value. That figure counts only the value of the destroyed structures, and not the value of the land on which they stood.

Of the 313 properties destroyed in the county, 260 lay within the 100-year flood zone, while 53 did not.

Every one of the 82 properties in Lyons that were destroyed lay within the 100-year flood zone. In unincorporated Boulder County, however, while 54 of the destroyed properties sat in the 100-year flood zone, 32 did not…

Boulder has 14 tributaries, plus Boulder Creek, which flow through the city, and remapping efforts were already under way before the flood for some of them, including Two Mile Canyon Creek, Upper Goose Creek, Skunk Creek, King’s Gulch, Bluebell Canyon Creek, the Boulder Slough and Boulder Creek itself.

“Basically, because of the large number of creeks we have in town, we are in a continual cycle of mapping and mitigation. We already had various areas where we were in different stages of either studying or going through the map adaptation process, or pursuing mitigation measures,” said Jeff Arthur, Boulder’s director of public works for utilities…

The highest concentration of destroyed properties in the county, according to Roberts, was in two mobile home parks along the St. Vrain River: the 32-space Riverbend Mobile Home park in Lyons and the 60-space Royal Mobile Home Park in Longmont…

Earlier this fall, the city of Boulder released preliminary findings that the flood caused $48.91 million in damage to city infrastructure, parks and open space. Additionally, Boulder County shortly after the flood put the damage to county roads and bridges at $89 million, and damage to county buildings at $1.3 million.

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