Oak Creek Watershed Master Plan
May 2018
Documents in PDF format. 
Cover and Table of Contents (480 K)
Executive Summary (912 K)
Section 1 – Introduction and Purpose (1.77 M)
Section 3 – Geomorphic Evaluation (1.61 M)
Section 4 – Hydrology and Hydraulics (3.31 M)
Section 5 – Land Use and Development (2.24 M)
Section 6 – Minimum Stream Corridor (2.52 M)
Section 7 – Special Areas (1.95 M)
Section 8 – Capital Improvement Projects (9.13 M)
- 8.1 Introduction
- 8.2 Problem Identification
- 8.3 Evaluation Approach
- 8.4 Capital Improvement Projects
- 8.5 Prioritization
- 8.6 Other Improvement Recommendations
- 8.6.1 Project Other-01: Rock Armor Swale on Mainstem OCR005 at Interstate 180
- 8.6.2 Project Other-02: Grade Control Knickpoint on Tributary OC005R005
- 8.6.3 Project Other-03: Grade Control Repair on Mainstem OCR010
- 8.6.4 Project Other-04: Rock Armor Pipe Outfall and Swale on Mainstem OCR010
- 8.6.5 Project Other-05: Grade Control Incision and Rock Armor Pipe Outfall on Tributary OC110R005
- 8.6.6 Project Other-06: Outfall Protection at Perched Outfall on Mainstem OCR015
- 8.6.7 Project Other-07: Replace Grade Control on Tributary OCR030
- 8.6.8 Project Other-08: Bank Stabilization Mainstem OCR035
- 8.6.9 Project Other-09: Grade Control Repair on Mainstem ECR005 at NW 48th St Bridge
- 8.6.10 Project Other-10: Rock Armor and Grade Control at Culvert Outfall on Tributary EC015R005
- 8.6.11 Project Other-11: Bank Stabilization along US Highway 34 on Mainstem ECR010
- 8.6.12 Project Other-12: Rock Armor Culvert Outfall and Grade Control Tributary EC025R005
- 8.6.13 Project Private-01: Stream Improvements on Tributary OC005R015 in Countryside Mobile Home Park
- 8.6.14 Project Private-02: Grade Control Incision on Tributary OC005R010 in Countryside Mobile Home Park
- 8.6.15 Project Private-03: Stream Improvements at Incising Reach on Tributary OC005R030
- 8.6.16 Project Private-04: Repair Dam and Embankment and Outfall on Tributary OC020R020
- 8.6.17 Project Private-05: Bank Stabilization Mainstem OCR035
- 8.6.18 Project Private-06: Bank Stabilization on Tributary EC030R005
- 8.6.19 Project Private-07: Grade Control Knickpoint on Tributary EC030R005
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 (1.85 M)
- Appendix E - Dominant Process Indicators and Reach Summary Data Sheets (596 K)
- Appendix F - Hydrology and Hydraulics Data (531 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 (497 K)
- Appendix J - Capital Improvement Project Cost Worksheets (477 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 FEMA Model Extents
- 4-3 Zone A Flood Hazard Areas
- 4-4 Buildings within the Flood Hazard Area
- 4-5 Buildings within the Flood Hazard Area
- 4-6 Buildings Encroaching and within the Flood Hazard Area
- 4-7 West Oak Creek Outside Zone A Boundary
- 4-8 NW 70th St Tributary Outside Zone A Boundary
- 4-9 Zone A Flood Hazard Areas Cross Sections Locations Map Oak Creek Mainstem
- 4-10 Zone A Flood Hazard Areas Cross Sections Locations Map Oak Creek Tributary
- 4-11 Oak Creek Zone A Flood Hazard Areas Cross Sections Locations Map West Oak Tributary
- 4-12 Zone A Flood Hazard Areas Cross Sections Locations Map Elk Creek /South Elk Creek
- 4-13 Zone A Flood Hazard Areas Cross Sections Locations Map 70th St
- 4-14 Building Encroachment 1 ft rise
- 4-15 Building Encroachment 2 ft rise
- 4-16 Building Encroachment 2 ft rise
- 4-17 Building Encroachment 2 ft rise
- 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 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 (Stilling Basin Structure)
- 8-4 Watershed CIP Locations
- 8-5 Damaged Outfall
- 8-6 Conceptual Layout of OC-01
- 8-7 Debris Jam Holding up Knickpoint
- 8-8 Conceptual Layout of OC-02
- 8-9 4 Foot Kickzone
- 8-10 Conceptual Layout of OC-03
- 8-11 Stream Incision
- 8-12 Conceptual Layout of OC-04
- 8-13 Other & Private Projects
- 8-14 Gulley Incision along Floodbench
- 8-15 Conceptual Layout of Other-01
- 8-16 Exposed Concrete Encasement
- 8-17 Conceptual Layout of Other-02
- 8-18 Damaged Grade Control
- 8-19 Conceptual Layout of Other-03
- 8-20 Incision at Pipe Outfall
- 8-21 Conceptual Layout of Other-04
- 8-22 Concrete Grade Control
- 8-23 Incision at Pipe Outfall
- 8-24 Conceptual Layout of Other-05
- 8-25 Perched Outfall
- 8-26 Conceptual Layout of Other-06
- 8-27 Degraded Grade Control Structure
- 8-28 Conceptual Layout of Other-07
- 8-29 Bank Failure Near Railroad Tracks
- 8-30 Conceptual Layout of Other-08
- 8-31 NW 48th ST Bridge
- 8-32 Conceptual Layout of Other-09
- 8-33 Perched Outfall
- 8-34 Conceptual Layout of Other-10
- 8-35 Bank Erosion on Left Descending Bank
- 8-36 Conceptual Layout of Other-11
- 8-37 Perched Culvert Outfall
- 8-38 Conceptual Layout of Other-12
- 8-39 Project Reach
- 8-40 Conceptual Layout of Private-01
- 8-41 Stream Incision
- 8-42 Conceptual Layout of Private-02
- 8-43 Incising Channel
- 8-44 Conceptual Layout of Private-03
- 8-45 Outfall Failure
- 8-46 Conceptual Layout of Private-04
- 8-47 Bank Failure Near Railroad Tracks
- 8-48 Conceptual Layout of Private-05
- 8-49 Bank Failure
- 8-50 Conceptual Layout of Private-06
- 8-51 Debris Jam
- 8-52 Conceptual Layout of Private-07
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 Oak Creek Peak Flow Rates and Depths
- 4.2 Elk Creek Peak Flow Rates and Depths
- 4.3 Evaluation of 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