Colorado re-mapping floodplains of most-affected waterways — TheDenverChannel.com

Flooding in Longmont September 14, 2013 via the Longmont Times-Call

From TheDenverChannel.com (Deb Stanley):

After the 2013 floods devastated communities and took several lives, the state of Colorado is remapping the regulatory floodplain of the most affected waterways in Colorado.

“It’s important to provide public and local land use managers with the most accurate flood risk information so they can make better decisions,’ explained Thuy Patton, Flood Mapping Program Manager for the Colorado Water Conservation Board.

In some counties, there are areas that now have higher flood risk and other areas that now have lower flood risk, which changes which homes are in the flood plain. NOTE: these numbers are approximate, based on public information, and are subject to change.

In Boulder County, with this update, 420 new structures are in flood risk area and approx. 400 structures are now not in special flood hazard area, Patton explained.

In Jefferson County, 53 structures were added.

In Larimer County, 601 structures were added and 1,571 were removed.

In Weld County, 453 structures were added and 1,994 were removed.

In Sedgwick County, 85 structures were added and two were removed.

In Washington County, 26 structures were added and 31 were removed.

In Morgan County, 38 structures were added and four were removed.

And in Logan County, 222 structures were added, while 59 were removed.

FEMA uses Flood Insurance Rate Maps (FIRMs) to set flood insurance premiums. The Preliminary FIRMs will become FEMA’s final effective FIRMs in 2021, pending any appeals received by FEMA.

Learn more about the mapping project here.

Boulder County is starting a series of public meetings about the changes. Representatives from FEMA, the mapping team, and Boulder County will be present at each session. Each open house will focus on specific reaches, but residents are invited to discuss any stream at each meeting:

  • Lower Boulder Creek, New Dry Creek, Coal Creek, and Rock Creek – Tuesday, Jan. 14 | 5 to 6:30 p.m. (presentation at 5:15 p.m.) Boulder County Recycling Center – 1901 63rd Street in Boulder County
  • Saint Vrain Creek, Lower Left Hand Creek, Dry Creek #2, and Little Thompson River – Thursday, Jan. 16 | 5 to 6:30 p.m. (presentation at 5:15 p.m.) Boulder County Parks and Open Space Ron Stewart Building – 5201 St. Vrain Drive in Longmont
  • North, Middle, and South Saint Vrain creeks and Cabin Creek – Tuesday, Jan. 21 | 5 to 6:30 p.m. (presentation at 5:15 p.m.) Highlands Presbyterian Church – 1306 Business Highway 7 in Allenspark
  • Little James Creek, James Creek, Upper Left Hand Creek, and Geer Canyon – Tuesday, Jan. 28 | 5 to 6:30 p.m. (presentation at 5:15 p.m.) Jamestown Town Hall – 118 Main St. in Jamestown. This is a joint meeting between Boulder County and the Town of Jamestown
  • Fourmile Canyon Creek, Two Mile Canyon Creek, Gold Run, Fourmile Creek, Boulder Creek and North, Middle, and South Boulder creeks – Thursday, Jan. 30 | 5 to 6:30 p.m. (presentation at 5:15 p.m.). Boulder Public Library Main Branch, Boulder Creek Room – 1001 Arapahoe Ave. in Boulder
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