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Lower Little Salt Creek Watershed - Interim Stormwater Hydrology and Hydraulics Report (47.3 M Zip)
Table of Contents
- Executive Summary (493 K)
- Section 1 - Basin Evaluation - Part 1 (2.4 M) | Part 2 (9.8 M) | Part 3 (9.3 M) | Part 4 (8.98 M)
- Purpose
- Goals and Objectives
- Land Use
- Soils
- Saline Wetlands
- Hydrology
- Hydraulics
- Evaluation
- Stream Segment Evaluation
- Lower Little Salt Creek Stream Segments 1 through 5
- Urban Planning Zone N-1 Stream Segments 6 through 12
- Urban Planning Zone N-2 Stream Segments 13 through 16
- Urban Planning Zone N-3 Stream Segments 17 through 23
- Urban Planning Zone N-4 Stream Segments 24 through 33
- Urban Planning Zone N-5 Stream Segments 34 through 39
- Section 2 - (reserved for master plan)
- Bibliography (11 K)
- Appendix A - Public Involvement Meetings (6.07 M)
- Appendix B Constraints of Habitat and Channel Stability on the Development of Drainage Improvement Alternatives for the S-1, S-2, and S-3 Urban Planning Zones and the N-1, N-2, N-3, N-4, and N-5 Urban Planning Zones (3.99 M)
- Appendix C - HEC-1 Summary Printouts for 1-, 2-, 5-, 10-, 25-, 50-, 100-, and 500- Year Storms for Existing and LLCCP Projected Land Use Conditions (318 K)
Figures
- E-1 Watershed Boundary Map (477 K)
- I-1 Area Map (477 K)
- I-2 Watershed Boundary Map (480 K)
- I-3 Existing Land Use Conditions (128 K)
- I-4 Projected Land Use Conditions (127 K)
- I-5 Soil Associations (152 K)
- I-6 Hydrologic Soil Groups (156 K)
- I-7 Saline Wetlands Map (196 K)
- I-8 Hydrologic Parameters - Existing Conditions (114 K)
- I-9a HEC-1 Model Schematic (186 K)
- I-9b HEC-1 Model Schematic (186 K)
- I-10 Hydrologic Parameters - Projected Conditions (106 K)
- I-11 Flood Hazard Map (467 K)
- I-12A..F Lower Little Salt Creek Plan View of Stream Segments 1 through 5 (2.19 M)
- I-13A..F Lower Little Salt Creek Flood Profiles for Stream Segments 1 through 5 (1.5 M)
- I-12G..N Urban Planning Zone N-1 Plan View of Stream Segments 6 through 12 (3 M)
- I-13G..N Urban Planning Zone N-1 Flood Profiles for Stream Segments 6 through 12 (1.68 M)
- I-12O..S Urban Planning Zone N-2 Plan View of Stream Segments 13 through 16 (1.88 M)
- I-13O..S Urban Planning Zone N-2 Flood Profiles for Stream Segments 13 through 16 (1 M)
- I-12T..AA Urban Planning Zone N-3 Plan View of Stream Segments 17 through 23 (2.83 M)
- I-13T..AA Urban Planning Zone N-3 Flood Profiles for Stream Segments 17 through 23 (1.67 M)
- I-12AB..AL Urban Planning Zone N-4 Plan View of Stream Segments 24 through 33 (3.35 M)
- I-13AB..AL Urban Planning Zone N-4 Flood Profiles for Stream Segments 24 through 33 (2.48 M)
- I-12AM..AS Urban Planning Zone N-5 Plan View of Stream Segments 34 through 39 (2.44 M)
- I-13AM..AS Urban Planning Zone N-5 Flood Profiles for Stream Segments 34 through 39 (1.5 M)
Tables
- I-1 Summary of 2001 Land Use in the Lower Little Salt Creek Watershed Study Area (8 K)
- I-2 Development in the N-1, N-2, N-3, N-4, and N-5 Watershed (15 K)
- I-3 Comparison of Soil Series Found in the Watershed (19 K)
- I-4 Soil Legend and Hydrologic Soil Group (HSG) (15 K)
- I-5a Hydrologic Parameters UPZ N-1 (17 K)
- I-5b Hydrologic Parameters UPZ N-2 (19 K)
- I-5c Hydrologic Parameters UPZ N-3 (19 K)
- I-5d Hydrologic Parameters UPZ N-4 (16 K)
- I-5e Hydrologic Parameters UPZ N-5 (12 K)
- I-6 Pond Characteristics (8 K)
- I-7 Total 24-hour Precipitation (8 K)
- I-8a Existing Road Crossing Data Summary Little Salt Creek (9 K)
- I-8b Existing Road Crossing Data Summary N-1 (9 K)
- I-8c Existing Road Crossing Data Summary N-2 (11 K)
- I-8d Existing Road Crossing Data Summary N-3 (11 K)
- I-8e Existing Road Crossing Data Summary N-4 (12 K)
- I-8f Existing Road Crossing Data Summary N-5 (11 K)
- I-9a Existing Conditions Peak Flow Rate Values at Selected Locations on the Little Salt Creek Mainstem (19 K)
- I-9b Existing Conditions Peak Flow Rate Values at Selected Locations on UPZ N-1 Tributaries (11 K)
- I-9c Existing Conditions Peak Flow Rate Values at Selected Locations on UPZ N-2 Mainstem and Tributaries (11 K)
- I-9d Existing Conditions Peak Flow Rate Values at Selected Locations on UPZ N-3 Mainstem and Tributaries ( K)
- I-9e Existing Conditions Peak Flow Rate Values at Selected Locations on UPZ N-4 Mainstem and Tributaries ( K)
- I-9f Existing Conditions Peak Flow Rate Values at Selected Locations on UPZ N-5 Mainstem and Tributaries ( K)
- I-9g Existing Conditions Peak Flow Rate Values at Selected Locations for Subbasins Discharging Directly to Salt Creek ( K)
- I-10a Projected Conditions Peak Flow Rate Values at Selected Locations on the Little Salt Creek Mainstem (7 K)
- I-10b Projected Conditions Peak Flow Rate Values at Selected Locations on UPZ N-1 Tributaries (10 K)
- I-10c Projected Conditions Peak Flow Rate Values at Selected Locations on UPZ N-2 Mainstem and Tributaries (12 K)
- I-10d Projected Conditions Peak Flow Rate Values at Selected Locations on UPZ N-3 Mainstem and Tributaries (7 K)
- I-10e Projected Conditions Peak Flow Rate Values at Selected Locations on UPZ N-4 Mainstem and Tributaries (7 K)
- I-10f Projected Conditions Peak Flow Rate Values at Selected Locations on UPZ N-5 Mainstem and Tributaries (7 K)
- I-10g Projected Conditions Peak Flow Rate Values at Selected Locations for Subbasins Discharging Directly to Salt Creek (10 K)
- I-11a Comparison of Bridge Capacity for Little Salt Creek (cfs) (15 K)
- I-11b Comparison of Bridge Capacity for UPZ N-1 (cfs) (12 K)
- I-11c Comparison of Bridge Capacity for UPZ N-2 (cfs) (17 K)
- I-11d Comparison of Bridge Capacity for UPZ N-3 (cfs) (11 K)
- I-11e Comparison of Bridge Capacity for UPZ N-4 (cfs) (17 K)
- I-11f Comparison of Bridge Capacity for UPZ N-5 (cfs) (17 K)
- I-12a 2-Year Peak Flow Rate Values at Selected Locations in the Lower Little Salt Creek Watershed (11 K)
- I-12b 10-Year Peak Flow Rate Values at Selected Locations in the Lower Little Salt Creek Watershed (11 K)
- I-12c 100-Year Peak Flow Rate Values at Selected Locations in the Lower Little Salt Creek Watershed (11 K)
- I-13 Detention Pond Approximate Operating Characteristics (10 K)
- I-14a Summary of Flows in Sub Watershed N-2X (10 K)
- I-14b Summary of Flows in Sub Watershed N-2W (10 K)
- I-14c Summary of Flows in Sub Watershed N-2R (10 K)
