North Salt Creek Watershed Master Plan
May 2018
Documents in PDF format. 
Cover and Table of Contents (1.83 M)
Executive Summary (1.07 M)
Section 1 – Introduction and Purpose (1.85 M)
Section 3 – Geomorphic Evaluation (1.41 M)
Section 4 – Hydrology and Hydraulics (2.33 M)
Section 5 – Land Use and Development (2.27 M)
Section 6 – Minimum Stream Corridor (2.52 M)
Section 7 – Special Areas (2.61 M)
Section 8 – Capital Improvement Projects (6.86 M)
- 8.1 Introduction
- 8.2 Problem Identification
- 8.3 Evaluation Approach
- 8.4 Capital Improvement Projects
- 8.4.1 Project NSC-01: Rock Armor and Scour Protection at Perched Alvo Rd Culvert Outfall on Tributary NS110R010
- 8.4.2 Project NSC-02: Bank Stabilization at Alvo Rd Crossing on Tributary NS010R015
- 8.4.3 Project NSC-03: Rock Armor and Scour Protection and Grade Control N 134th St Culvert Outfall on Tributary NS410R005
- 8.4.4 Project NSC-04: Bank Stabilization at N 84th St on Tributary NS030R005
- 8.4.5 Project NSC-05: Grade Control Knickpoint at Spillway on Tributary NS030R010
- 8.5 Prioritization
- 8.6 Other Improvement Recommendations
- 8.6.1 Project Other-01: Rock Armor and Scour Protection at Railroad Structure on Tributary NS010R010
- 8.6.2 Project Other-02: Monitor Bank Stabilization near N 134th St on Tributary NS410R005
- 8.6.3 Project Other-03: Grade Control Tributary NS025R005
- 8.6.4 Project Other-04: Monitor Bluff Rd Culvert Outfall on Tributary NS030R020
- 8.6.5 Project Other-05: Rock Armor Scour Pool at Spillway on Tributary NS040R005
- 8.6.6 Project Other-06: Project Other-06: Rock Armor Scour Pool at Spillway on Tributary NS045R005
- 8.6.7 Project Other-07: Bank Stabilization at Tributary NS070R005
- 8.6.8 Project Private-01: Monitor Bank Stabilization Near Utility Pole on Tributary NS010R025
- 8.6.9 Project Private-02: Grade Control Knickpoint on Tributary NS230R005
- 8.6.10 Project Private-03: Grade Control Knickpoint at Bluff Rd Culvert on Tributary NS230R010
- 8.6.11 Project Private-04: Grade Control Knickzone on Tributary NS090R015
Section 9 – Implementation (156 K)
Appendices
- Appendix A - Digital Deliverables (13 K)
- Appendix B - Public Participation Materials (Summary Documents, Attendance Lists, Minutes, Watershed News) (95.1 M)
- Appendix C - Fundamentals of Fluvial Geomorphology (1.13 M)
- Appendix D - Channel Condition Scoring Matrix and Channel Condition Data (1.64 M)
- Appendix E - Dominant Process Indicators and Reach Summary Data Sheets (571 K)
- Appendix F - Hydrology and Hydraulics Data (590 K)
- Appendix G - Land Use and Zoning Data (534 K)
- Appendix H - Stream Corridor Data (4.23 M)
- Appendix I - Capital Improvement Project Prioritization Ranking Worksheets (507 K)
- Appendix J - Capital Improvement Project Cost Worksheets (483 K)
Figures
- ES-1 Status of Watershed Master Plans
- ES-2 Study Area Map
- ES-3 CIP Locations
- 1-1 Status of Basin Plans Map
- 1-2 Watershed Map
- 1-3 Study Area Map
- 1-4 Watershed Newsletter
- 1-5 Project Website
- 2-1 Study Reaches
- 3-1 Channel Evolution Stages
- 3-2 Fieldwork Limits
- 3-3 Study Reaches
- 3-4 Bank Cutting and Mass Wasting
- 3-5 Channel Condition Scores
- 3-6 Stream Channel Dominant Process
- 4-1 Existing Floodplain and Floodway
- 4-2 HEC-RAS Model Extents
- 4-3 Zone A Flood Hazard Areas
- 4-4 70th Street Tributary Outside the Zone A Boundary
- 4-5 112th Street Tributary Outside the Zone A Boundary
- 4-6 Zone A Flood Hazard Areas Cross Sections Locations Map 70th Street
- 4-7 Zone A Flood Hazard Areas Cross Sections Locations Map 112th Street
- 4-8 Watershed Culvert Analysis
- 5-1 Existing Land Use – 2017
- 5-2 Future Land Use – 2040
- 5-3 Hydrologic Soil Group
- 5-4 Existing Land Use Hydrologic Soil Overlay
- 5-5 Future Land Use Hydrologic Soil Overlay
- 6-1 GIS Stream Analysis
- 6-2 Test Site Locations
- 6-3 Test Site 1 with NHD Streams
- 6-4 Test Site 2 with NHD Streams
- 6-5 Test Site 3A and 3B with NHD Streams
- 6-6 Test Site 4 with NHD Streams
- 6-7 Test Site 5A and 5B with NHD Streams
- 6-8 City of Lincoln Minimum Corridor Illustration
- 6-9 Oak Creek Stream Test Site Locations
- 6-10 North Salt Creek Stream Test Site Locations
- 6-11 Oak Creek Contributing Drainage Area Locations
- 6-12 North Salt Creek Contributing Drainage Area Locations
- 6-13 Oak Creek Test Site 5 Buffer Delineation
- 7-1 Special Areas Map 1
- 7-2 Special Areas Map 2
- 7-3 Special Areas Map 3
- 8-1 Rock Grade Control Structure Detail
- 8-2 Bank Stabilization Structure Detail
- 8-3 Rock Armor and Scour Protection Detail
- 8-4 Watershed CIP Locations
- 8-5 Perched Culvert Outfall
- 8-6 Conceptual Layout of NSC-01
- 8-7 Bank Failure at Culvert Wingwall
- 8-8 Conceptual Layout of NSC-02
- 8-9 Perched Culvert Outfall
- 8-10 Conceptual Layout of NSC-03
- 8-11 Perched Culvert Outfall
- 8-12 Conceptual Layout of NSC-04
- 8-13 Kickpoint at Spillway
- 8-14 Conceptual Layout of NSC-05
- 8-15 Other & Private Projects
- 8-16 Perched Outfall
- 8-17 Conceptual Layout of Other-01
- 8-18 Bank Erosion
- 8-19 Conceptual Layout of Other-02
- 8-20 Stream Incision
- 8-21 Conceptual Layout of Other-03
- 8-22 Degrading Grade Control Structure
- 8-23 Conceptual Layout of Other-04
- 8-24 Scour at Concrete Spillway
- 8-25 Conceptual Layout of Other-05
- 8-26 Scour Pool
- 8-27 Conceptual Layout of Other-06
- 8-28 Bank Erosion
- 8-29 Conceptual Layout of Other-07
- 8-30 Steep Bank Heights Near Power Pole
- 8-31 Conceptual Layout of Private-01
- 8-32 Stream Incision
- 8-33 Conceptual Layout of Private-02
- 8-34 Knickpoint
- 8-35 Conceptual Layout of Private-03
- 8-36 Stream Incision
- 8-37 Conceptual Layout of Private-04
Tables
- ES-1 Project Priority, Rank and Cost
- 1.1 Watershed Characteristics
- 1.2 Study Area Characteristics
- 3.1 Average Field Score Per Channel Condition Rating Category
- 3.2 Number of GOOD, FAIR and POOR Field Scores
- 4.1 Main Stem Peak Flow Rates and Depths
- 4.2 Unnamed Tributary west of N 112th Street Peak Flow Rates and Depths
- 4.3 Evaluation of Zone A Flood Hazard Area Boundary Elevations
- 5.1 Existing Land Use Categories
- 5.2 Existing Land Use Areas
- 5.3 Existing and Future Land Use
- 5.4 Land Use Change – Existing to Future
- 5.5 Lookup table used to define the curve number for each land use/soil group combination
- 6.1 GIS Stream Analysis
- 6.2 Contributing Drainage Area at Location of 1 Foot Depth and Defined Bed and Bank
- 6.3 Test Site Buffer Widths at Multiple Contributing Drainage Areas
- 6.4 Recommended Buffer Width
- 8.1 Project Priority, Rank and Cost