FLOOD05212

• County: Larimer
• Community: Fort Collins
• Stream Name: Boxelder Creek, Spring Creek, Dry Creek
• Basin: South Platte
• Title: Flood Control for Boxelder Creek at Fort Collins
• Date: 2/1/1993
• Prepared For: Fort Collins
• Prepared By: US Army Corps of Engineers
• Floodplain - Doc Type: Floodplain Report/Masterplan

Table 4-4
Avel1lllleFloodOepths .
(Full
. Tabte4.-3 Su~rea 2-Vur S_Vear 10_Vaar SO-Vear 100.Yea, SOO-Year
Number of Strue1ures Affee1ed
By Flood Event 1 0.0 0.0 0.1 1.' 1.7 2.3
2 0.0 0.0 0.0 0.7 0.' 1.'
, 0.2 " 0.7 0.' 1.0 1.'
Subarea Activity 2.Vear Ii.Vear 10.Vear liO.Vear 1GO.Year liOO-Year . 0.0 00 0.0 0.0 0.0 0.0
. 0.0 0.0 0.0 0.0 0.0 0.0
. 0.0 0.0 0.' U 2.0 2.
1 Residenliat 0 0 0 0 0 0 7 00 0.0 0.' 0.7 0.' 1..
Commerelal 0 0 1 7 7 7 . 00 0.0 " 0.7 0.' "
, Residential 0 0 0 " " 16 . 0.0 0.0 0.' 0' u U
Commerelat 0 0 0 , 11 13 to 0.0 0.0 0.0 0.' 07 1..
, Residential 0 0 0 I I 1 11 0.0 0.0 0.' 1.1 I.' U
Commercial 8 16 " 77 " " 12 0.0 0.0 0.' 0.' 1.2 1.8
. Residenlial 0 0 0 0 0 0 13 0.0 0.0 0.7 1.2 1.5 2.2
Commercial 0 0 0 0 0 0 .. 0.0 0.0 0.0 0.' 0.8 0.'
. Residential 0 0 0 0 0 0 " 0.0 0.0 1.5 20 20 25
Commercial 0 0 0 0 0 0 16 0.0 0.0 0.8 2.' '0 '.8
. Residential 0 0 34 35 35 35 17 0.0 0.0 1.' 1.8 2.' ,..
Commercial 0 0 20 " " "
, Residential 0 0 25 " " " Note: Avelllge IIClOd deplhs are based on depth 01 IIClOdillg on grourld fdjacenlto buildlllgs .
Commerciat 0 0 5 20 " "
8 Residential 0 0 0 , 8 12
Commercial 0 0 7 19 20 25
. Residemial 0 0 " ". 227 "8
Commercial 0 0 2 12 13 "
10 Res/denlial 0 0 0 0 0 0 damages. The nood damage potential for Dry Creek includes damage to buildings
Commercial 0 0 0 3 3 3 and their OOTltents, as well as damage to public facilities and emergency eosts within
11 Residenlial 0 0 " " 108 165
COmmercl81 0 0 0 0 0 0 the 500-year flood plain. Public facilities include utilitics, roads, parks, and bridges.
12 Residential 0 0 I 1 I 1
Commereial 0 0 0 0 0 0 Emergency costs lU"e costs for flood fighting. evacuation, and additional police and
13 Residentiat 0 0 2 22 23 "
Commerciat 0 0 12 12 12 12 fire prote<:tion.
!1 P:es!>;!e~~;~! " " 7 ; 11
" " .
Commercial 0 0 0 . 5 8
" Residential 0 0 106 115 '" '" Costs for damages to public facilities other than buildings and cleanup costs were
Comme/cial 0 0 2 5 . . not estimatl:d by the Corps' flood damage computer model. These damages were
16 Residenlial 0 0 0 0 0 0
Commercial 0 0 2 3 3 3 based on a percentage of the total structure and eontent damages estimated using the
17 Residential 0 0 1 I 2 2
Commerdal 0 0 0 3 3 3 model. The percentage was hased on previous Omaha Disuict studies and was
TotGl Residential 0 0 328 '" ." ." deu:nnined to be approximately 11 percent of the damages to buildings and their
TotJl Commerd~t , 16 90 2n 221 Z~ e.ontents. lliewise,emergency-n:lated costs we:-edeteTInincd to bc 6 percent of the
TOTAL . 16 ". 7" "8 9" .
4-18
. 4-17