Beal Slough Stormwater Management Plan

• Planning Area Description
• Hydrology
• Hydraulics
• Water Quality
• Stream Segment Evaluation
• Evaluation Summary

• Plan Formulation
• Issues Addressed
• Proposed Master Plan
• Minor System Improvements
• Opinions of Probable Cost
• Stormwater Management Plan Implementation

Executive Summary

• ES-1 Subarea Target Peak Flow Rates for 2-, 10-, and 100-year Storms
• ES-2a Target Peak Flow Rates at Selected Locations on the Mainstem
• ES-2b Target Peak Flow Rates at Selected Locations on the Mainstem
• ES-3 Preliminary Opinion of Approximate Cost for Major Capital Components

Section I – Basin Evaluation

• I-1 Hydrologic Parameters of the Basin
• I-2 Summary of 1997 Land Use in the Beal Slough Watershed
• I-3 Development in the Watershed
• I-4 Comparison of Soil Associations Found in the Watershed
• I-5 Soil Legend and Hydrologic Soil Group
• I-6 Pond Characteristics
• I-7 Beal Slough Historic Storm Distribution
• I-8 Beal Slough 24-hour Type II Storm Distribution
• I-9 Drainage Subbasin Characteristics
• I-10 100-year Peak Flow Rate Comparison of 1997 to FIS Values
• I-11 Annual Pollutant Loads Estimated from 1992 Monitoring Results
• I-12 Inventory of Industrial Facilities
• I-13 Monitoring Site Description
• I-14 Results of Chemical Analysis
• I-15 Comparison of Beal Slough Sampled Data to NURP Data
• I-16a Comparison of Bridge Capacity Mainstem Channel
• I-16b Comparison of Bridge Capacity Tributary Channels
• I-17a Comparison of Stream Reach Capacity Mainstem Channel
• I-17b Comparison of Stream Reach Capacity Tributary Channels
• I-18 Visual HEC-1 Reach and HEC-RAS Cross-section Labeling Key

Section II – Master Plan

• MP-1 Target Peak Flow Rates at Selected Locations on the Mainstem
• MP-2 Target Peak Flow Rates at Selected Locations on the Tributaries
• MP-3 Subarea Target Peak Flow Rates for 2-, 10-, and 100-year Storms
• MP-4 2-year Peak Flow Rate Comparison of 1997 Conditions to Master Plan Conditions
• MP-5 Preliminary Opinion of Approximate Cost for Major Capital Components

Executive Summary

• ES-1 Pattern of Development Map
• ES-2 Basin Map
• ES-3 Growth in Peak Flow Rates
• ES-4 Master Plan Major Capital Cost Components
• ES-5 Master Plan Improvement in Peak Flow Rates

Section I – Basin Evaluation

• I-1 Locator Map
• I-2 Basin Map
• I-3 Land Use
• I-4 Future Land Use
• I-5 Existing Soil Types
• I-6 SCS Hydrologic Soil Groups
• I-7 Visual HEC-1 Schematic of Beal Slough Master Plan Model
• I-8 1997 Land Use Map
• I-9 Future Hydrologic Conditions
• I-10 NPDES Stormwater Monitoring Site Location Map
• I-11 Photographic Key Map
• I-12 Channel Cross-section Comparison Between FIS 1978 and 1998 Channel

Section II – Master Plan

• MP-1 Master Plan - Major Capital Cost Components
• MP-2 Master Plan Improvements in Peak Flow Rates
• MP-3 Stream Segment Figure Key Map
• SG1-PC Stream Segment 1 Components - Salt Creek to 14th Street
• SG1-FP Stream Segment 1 Plan and Profile - Salt Creek to 14th Street
• SG1-CD1 Stream Segment 1 & 2 - Tieback Levee Concepts
• SG2-PC Stream Segment 2 Components - 14th Street to 27th Street
• SG2-FP Stream Segment 2 Plan and Profile - 14th Street to 27th Street
• SG2-CD1 Stream Segment 2 - Channel Concepts
• SG2-CD2 Stream Segment 2 - Water Quality Wetlands Concept
• SG3-PC Stream Segment 3 Components - 27th Street to (3800E) Highway 2
• SG3-FP Stream Segment 3 Plan and Profile - 27th Street to (3800E) Highway 2
• SG3-CD1 Stream Segment 3 - Tierra Park Off-channel Storage Facility near Tierra Drive Concepts
• SG3-CD2 Stream Segment 3 - Concept Off-Channel Storage Facility near 38th Street
• SG3-CD3 Stream Segment 3 - Storage Concept Sections
• SG3-CD4 Stream Segment 3 - Channel Stability Concept
• SG4-PC Stream Segment 4 Components - (3800E) Highway 2 to (5200E) Highway 2
• SG4-FP Stream Segment 4 Plan and Profile - (3800E) Highway 2 to (5200E) Highway 2
• SG4-CD1 Stream Segment 4 - Concepts
• SG5-PC Stream Segment 5 Components - (5200E) Highway 2 to Old Cheney Road
• SG5-FP Stream Segment 5 Plan and Profile - (5200E) Highway 2 to Old Cheney Road
• SG6-PC Stream Segment 6 Components - Old Cheney Road to Pine Lake Road
• SG6-FP Stream Segment 6 Plan and Profile - Old Cheney Road to Pine Lake Road
• SG7-PC Stream Segment 7 Components - Pine Lake Road to 70th Street
• SG7-FP Stream Segment 7 Plan and Profile - Pine Lake Road to 70th Street
• SG7-CD1 Stream Segment 7 - Training Dike Concept
• SG8-PC Stream Segment 8 Components - 70th Street to 84th Street
• SG8-FP Stream Segment 8 Plan and Profile - 70th Street to 84th Street
• SG9-PC Stream Segment 16 Components -70th Street Tributary
• SG9-FP Stream Segment 16 Plan and Profile - 70th Street Tributary
• SG10-PC Stream Segment 15 Components - Pine Lake Tributary
• SG10-FP Stream Segment 15 Plan and Profile - Pine Lake Tributary
• SG11-PC Stream Segment 14 Components - Highway 2 to 56th Street Tributary
• SG11-FP Stream Segment 14 Plan and Profile - Highway 2 to 56th Street Tributary
• SG12-PC Stream Segment 13 Components - Highway 2 to 56th Street Tributary
• SG12-FP Stream Segment 13 Plan and Profile - Highway 2 to 56th Street Tributary
• SG13-PC Stream Segment 9 Components - Tierra Branch, Beal Slough to 34th Street Tributary
• SG13-FP Stream Segment 9 Plan and Profile - Tierra Branch, Beal Slough to 34th Street Tributary
• SG14-PC Stream Segment 11 Components - Tierra Branch, 34th Street to Pine Lake Road Tributary
• SG14-FP Stream Segment 11 Plan and Profile - Tierra Branch, 34th Street to Pine Lake Road Tributary
• SG15-PC Stream Segment 10 Components - Tierra Branch, Tributary
• SG15-FP Stream Segment 10 Plan and Profile - Tierra Branch, Tributary
• SG16-PC Stream Segment 12 Components - King Arthur Court Tributary
• SG16-FP Stream Segment 12 Plan and Profile - King Arthur Court Tributary