FLOOD10345

• County: Douglas
• Community: Douglas County and Unincorporated Areas
• Stream Name: South Platte River, Horse Creek, Trout Creek, West
• Title: Hayman Fire Area Approximate 100-year Floodplain Delineation
• Date: 8/4/2003
• Prepared For: Douglas County
• Prepared By: Moser Associates
• Floodplain - Doc Type: Drawing/Map

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HAYMAN FIRE AREA
APPROXIMATE 1 DO-YEAR FLOODPLAIN DELINEATION
DOUGLAS COUNTY, COLORADO

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~EGEN.Q
ROAD
100- YEAR FLOODPLAIN BOUNDARY
FLOODPLAIN
HEC-RAS
CROSS-SECTION
SH 67 MILEPOST

INDEX

1. COVER SHEET
2. HORSE CREEK FLOODPLAIN MAP
3. HORSE CREEK FLOODPLAIN MAP
4. HORSE/WEST CREEK FLOODPLAIN MAP
5. WEST CREEK FLOODPLAIN MAP
6. WEST CREEK FLOODPLAIN MAP
7. WEST CREEK FLOODPLAIN MAP
8. WEST CREEK FLOODPLAIN MAP
9. TROUT CREEK FLOODPLAIN MAP
10. FOURMILE CREEK FLOODPLAIN MAP
11. FOURMILE CREEK FLOODPLAIN MAP
12. FOURMILE CREEK FLOODPLAIN MAP
13. FOURMILE CREEK FLOODPLAIN MAP
14. FOURMILE CREEK FLOODPLAIN MAP

NOTE:
(1) THE lOO-YEAR FLOODPLAIN DELINEATION SHOWN
WAS DEVELOPED FROM 5 FOOT CONTOUR MAPPING
PROVIDED BY DOUGLAS COUNTY. PEAK FLOWS USED IN
THIS ANALYSIS WERE OBTAINED FROM A USGS ANALYSIS
FOR THE SOUTH PLATTE RIVER AND ARE BASED ON
POST-BURN WATERSHED CONDITIONS. THIS FLOODPLAIN
IS APPROXIMATE AND IS NOT INTENDED TO BE USED AS A
REGULATORY FLOODPLAIN.

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(2) HYDRAULIC MODELING INCLUDED CHANNEL CROSS
SECTIONS ONLY. HYDRAULIC STRUCTURES WERE NOT
INCLUDED IN THE HEC-RAS MODEL.

STATIONING IS IN FEET.

(3)

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MAP

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