St. Julian Creek

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Table of Contents

1. Executive Summary
2. Introduction
3. Watershed Issues & Background
   
4. Computer Modeling
   •  
     4.2.1 Rainfall Hyetographs
     4.2.2 Subarea Delineation
     4.2.3 Subcatchment Imperviousness, Roughness & Depression Storage
     4.2.4 Subcatchment Basins
     4.2.5 Green-Ampt Soils Parameters
     4.2.6 Drainage Network Discretization (Links and Nodes)
     4.2.7 Open Channel Approximations
     4.2.8 Important Considerations and Implications Regarding Boundary Conditions and Return Periods
   4.1 Data Sources & Processing
   4.2 Model Development & Selection Development & Selection of Parameters
5. Modeling Scenarios & Computer Files
   5.1 Vertical Datum
   5.2 Existing (2004) Conditions Models
   5.3 Future Conditions Models
6. Modeling Results
   6.1 Existing (2004) Conditions Maximum Water Surface Elevations
   6.2 Future Conditions Maximum Water Surface Elevations
7. Master Drainage Plan Improvements
   7.1 Camelot Lake Bypass
   7.2 Portsmouth Outfall -- Gust Lane to Deep Creek Boulevard
   7.3 Portsmouth Outfall -- West of U.S. 17

Appendix A.

Subcatchment Imperviousness & Soils Parameters