FLOOD10404

• Designation Number: 128
• County: Larimer
• Community: Larimer County and Unincorporated Areas
• Basin: South Platte
• Title: FIS - Larimer County and Unincorporated Areas
• Date: 9/1/1978
• Designation Date: 1/31/1979
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

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FLOODiNG SOURCE FLOODWAY BAS E FLOOD
WATER SURFACE ELEVATION
I SECTION I MEA N WIT H I WITHOUT 10 I FFERENCE
CROSS SECTiON DISTANCE1 VI lOT H ARE A VELoC I TY FLoooWAY FLoOOWAY
(FEET) (SQUARE FEET) (FEET PER SECOND) (FEET NGVD) (FEET NGVD) (FEET NGVD)
DE 43,785 65 444 9.9 7195.4 7195.4 0.0
OC 43,860 105 493 8.9 7200.1 7200.1 0.0
DD 43,900 121 654 6.7 7201.4 7201.4 0.0
DE 43,945 126 646 6.8 7201. 7 7201.7 0.0
DF 44,370 124 486 9.1 7211. 6 7211. 6 0.0
DG 44,455 92 375 11. 7 7212.4 7212.4 0.0
DE 44,555 166 742 5.9 7216.6 7216.6 0.0
DI 44,650 197 685 6.4 7216.8 7216.8 0.0
DJ 44,865 114 472 9.3 7219.8 7219.8 0.0
DK 45,175 102 383 10.4 7228.2 7228.2 0.0
DL 45,470 140 446 9.0 7235.9 7235.9 0.0
J]'.1 45,560 130 472 8.5 7238.3 7238.3 0.0
DN 45,580 119 444 9.0 7238.5 7238.5 0.0
00 45,620 130 551 7.3 7240.0 7240.0 0.0
DP 45,930 150 447 8.9 7247.3 7247.3 0.0
DQ 46,080 105 448 8.3 7250.9 7250.9 0.0
DR 46,090 110 327 11.3 7251. 3 7251. 3 0.0
DS 46,200 115 446 8.3 7255.3 7255.3 0.0
IYI' 46,385 121 401 9.2 7261.3 7261. 3 0.0
DU 46,765 64 336 11.0 7275.5 7275.5 0.0
DV 46,780 62 338 10.9 7276.8 7276.8 0.0
DW 47,420 95 403 9.2 7295.8 7295.8 0.0
DX 48,165 82 354 10.5 7323.2 7323.2 0.0
DY 48,190 86 366 10.1 7325.5 7325.5 0.0
DZ 48,360 89 365 10.1 7329.0 7329.0 0.0
EA 48,865 130 392 9.4 7349.5 7349.5 0.0
EB 49,750 87 356 10.4 7375.2 7375.2 0.0
EC 50,015 70 336 11.0 7381.0 7381.0 0.0

IFeet Above Confluence With Big Thompson River

DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT
Federal Insurance Administration

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FLOODWAY DATA

LARIMER COUNTY, CO
IUNINCORPORATED AREAS)

NORTH FORK BIG THOMPSON RIVER