Surface Water Management Division

Snohomish Urban Growth Area

Drainage Needs Report - December, 2002

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Cover and Table of Contents

Executive Summary

1.0 - Introduction

2.0 - Basin Characteristics

3.0 - Hydrologic and Hydraulic Modeling

4.0 - Habitat Assessment

5.0 - Water Quality Assessment

6.0 - Channel Erosion Assessment

7.0 - CIP Design Guidelines

8.0 - Existing and Future Problems

9.0 - CIP Development, Alternatives Analysis and Recommended Solutions

10.0 - Recommended Plan

11.0 - References

Appendix A - Hydrologic Model Development and Application

Appendix B - Hydraulic Model Development and Application

Appendix C - Habitat Surveys, Data Analysis, and Results

Appendix D - Water Quality Data and Results

Appendix E -Geomorphic Channel Assessment

Appendix F - Project Summaries and Cost Estimates