FLOOD01615

• Designation Number: 258
• County: Arapahoe
• Community: Littleton
• Stream Name: Big Dry Creek
• Title: Flood Insurance Study - City of Littleton
• Date: 6/1/1978
• Prepared For: Littleton
• Prepared By: FIA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

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ELEVATION DIFFERENCE FLOOD BASE FLOOD
1 BETWEEN 1% (lOO-YEAR) FLOOD AND
FLOODING SOURCE PANEL HAZARD ZONE ELEVATION 3
10% 2% 0.2% FACTOR (FEET NGVD)
(lO-YEAR) (50-YEAR) (500-YEAR)
Big Dry Creek
Reach 1 0003 -1. 2 -0.6 1.3 010 A2 Varies - See Map
Reach 2 0001,0003 -2.1 -1.0 2.6 020 A4 Varies - See Map
Reach 3 0001 -3.3 -1.5 4.7 035 A7 Varies - See Map
Slaughterhouse Gulch
Sheet Flow Area 0004 N/A N/A N/A N/A AO Depth 1. 0
Reach 1 0004 -0.5 -0.3 0.8 005 Al Varies - See Map
Reach 2 0004 -2.2 -0.5 5.2 020 A4 Varies - See Map
Reach 3 0004 -1.0 -0.4 2.9 010 A2 Varies - See Map
Reach 4 0004 -2.6 -1.1 1.2 025 AS Varies - See Map
Reach 5 0001,000' -0.6 -0.2 0.9 005 Al Varies - See Map
South Tributary of
Slaughterhouse Gulch
Reach 1 0004 -0.8 -0.1 1.2 010 A2 varies - See Map
Reach 2 0004 -0.3 -0.1 0.4 005 Al Varies - See Map
Little Creek
Sheet Flow Area 0004 N/A N/A N/A N/A AO Depth 1.0
Reach 1 0004 -0.5 -0.2 1.0 005 Al varies - See Map
Reach 2 0001,000, -0.8 -0.2 0.8 010 A2 Varies - See Map
0005
Lee Gulch
Reach 1 0004 -1.4 -0.6 1.4 015 A3 Varies - See Map
Reach 2 0004 -3.3 -1.2 0.6 035 A7 Varies - See Map
Reach 3 0004 -7.4 -4.8 3.1 075 A15 varies - See Map
Reach 4 0004 -2.7 -9.3 2.7 025 AS varies - See Map
Reach 5 0004,000 -1.1 -0.4 1.7 010 A2 Varies - See Map

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Flood Insurance Rate Map panel

2 .
Weighted Average

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Rounded to Nearest Foot

DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT
Federlllnsurance Administration

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CITY OF LITTlETON, CO
IARAPAHOE CO.)

FLOOD INSURANCE ZONE DATA

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BIG ORY CREEK.SLAUGHTERHOUSE GULCH.SOUTH TRIBUTARY OF SLAUGHTER HOUSE GULCH
LITTlE CREEK.lEE GULCH