FLOOD08945

• County: Larimer
• Community: Fort Collins
• Stream Name: Dry Creek
• Basin: South Platte
• Title: Hydrologic Analysis Major Drainageway Planning Dry Creek
• Date: 7/1/1979
• Prepared For: Larimer County
• Prepared By: Gingery Associates, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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HYDROLOGIC ANALYSIS
MAJOR DRAINAGEWAY PLANNING
DRY CREEK

TABLE OF CONTENTS

Study Scope
The Dry Creek Basin
Basin Description
Basin Flood History

Study Reconnaissance
Ini tial Meetings
Field Inspection
Past Studies

Hydrologic Procedures
SWMM Model
Model Setup
Input Data
Model Calibration
Reservoir Routing

Hydrology Results

Discussion of Results

Figures

Figure 1 Vicinity Map
Figure 2 Basin Boundary Map
Figure 3 2-Year Hydrograph at poudre River Confluence
Figure 4 5-Year Hydrograph at poudre River Confluence
Figure 5 10-Year Hydrograph at poudre River Confluence
Figure 6 50-Year Hydrograph at poudre River Confluence
Figure 7 100-Year Hydrograph at Poudre River Confluence
Figure 8 500-Year Hydrograph at Poudre River Confluence
Figure 9 2-Year Hydrograph at Eaton Ditch Crossing
Figure 10 - 5-Year Hydrograph at Eaton Ditch Crossing
Figure 11- 10-Year Hydrograph at Eaton Di tch Crossing

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