FLOOD10234

• Designation Number: 148
• County: Adams
• County: Arapahoe
• County: Douglas
• Community: Denver Metro Region
• Stream Name: Harvard Gulch, West Harvard Gulch & Dry Gulch
• Basin: South Platte
• Title: Flood Hazard Area Delineation - Harvard Gulch, West Harvard Gulch and Dry Gulch
• Date: 12/1/1979
• Designation Date: 1/30/1980
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE OF CONTENTS

LIST OF FIGURES

Page

PREFACE
Authorization
Scope of Work
Topographic Mapping

Figure 1 - Harvard Gulch Discharge Profiles

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Figure 2 - Dry Gulch Discharge Profiles

Figure 3 - West Harvard Gulch Discharge Profiles

BASIN DESCRIPTIONS

Figure 4 - Harvard Gulch 10 - 100-Year Flood Hydrograph
at Logan Street

2

FLOOD HISTORY

3

Figure 5 - Harvard Gulch 10 - 100-Year Flood Hydrograph
at Downing Street

FLOOD RELATED STUDIES

3

Figure 6 - Harvard Gulch 10 - 100-Year Flood Hydrograph
at Colorado Boulevard

HYDROLOGIC AND HYDRAULIC DETERMINATIONS
Hydrologic Analysis
Hydraulic Analysis

3
4

Figure 7 - Dry Gulch 10 - 100-Year Flood Hydrograph at
Confluence at Harvard Gulch

FUTURE FLOODS
Flood Frequency and Discharge
Flooded Areas
Harvard Gulch
Dry Gulch
West Harvard Gulch
Floodplain and Floodway Data
Flood Velocities

Figure 8 - West Harvard Gulch 10 - 100-Year Flood Hydrograph
at Mouth

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Figure 9 - West Harvard Gulch 10 - 100-Year Flood Hydrograph
at Federal Boulevard

SUMMARY

7

BIBLIOGRAPHY

8

DRAWINGS

Sheets 1 - 16

LIST OF TABLES

TABLE 1 - Rainfall Depths

TABLE 2 - Discharge Summary

TABLE 3 - Floodplain and Floodway Reference Data,
Harvard Gulch

TABLE 4 - Floodplain and Floodway Reference Data,
West Harvard Gulch

TABLE 5 - FloOdplain and Floodway Reference Data,
Dry Gulch

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