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South Salt Creek Watershed Master Plan
South Salt Creek Watershed Master Plan
January 2015
Documents in PDF format.
Download Complete Report
(33.3 M Zip PDF)
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Cover and Table of Contents
(1.66 M)
Executive Summary
(1.24 M)
Section 1 - Introduction and Purpose
(1.44 M)
1.1 Introduction
1.2 Watershed Characteristics
1.3 Study Area Characteristics
1.4 Goals and Objectives
1.5 Public Participation Process
1.5.1 Open House Events
1.5.2 Website and Newsletter
Section 2 – Inventory and Methodology
(621 M)
2.1 Watershed Inventory
2.2 Study Methodology
2.2.1 Hydrologic Modeling
2.2.2 Water Quality Investigation
2.2.3 Geomorphic Field Investigation
2.2.4 Special Areas Consideration
Section 3 – Hydrologic Model Development
(3 M)
3.1 Introduction
3.2 Methodology
3.2.1 Sub-basin Delineation
3.2.2 Rainfall
3.2.3 Runoff Volume
3.2.3 Runoff Hydrographs
3.3 Modeling Results
3.4 Culvert Analysis
3.4.1 Flowrates
3.4.2 Culvert Identification
3.4.3 HY-8 Analysis
3.4.4 Results
Section 4 – Water Quality
(921 K)
4.1 Introduction
4.2 Methodology
4.2.1 Sampling Protocol
4.2.2 Analytical Procedures
4.3 Results
4.3.1 Applicability to Water-Quality Criteria
4.3.2 Naturally Elevated Specific Conductance and Sodium
4.3.3 Runoff Characteristics
4.3.3.1 Total Suspended Solids
4.3.3.2 Bacteria
4.3.3.3 Total Phosphorus
4.3.3.4 Atrazine
4.4 Managing Stormwater Quality
Section 5 - Geomorphic Evaluation
(930 K)
5.1 Introduction
5.2 Methodology
5.3 Results
5.4 Stream Recommendations
Section 6 - Special Areas
(1.19 M)
6.1 Introduction
6.2 Methodology
6.3 Evaluation Results
6.4 Special Area Recommendations
Section 7 - Capital Improvement Projects
(10 M)
7.1 Introduction
7.2 Problem Identification
7.3 Evaluation Approach
7.3.1 Stream Erosion Evaluation
7.3.2 Water Quality Considerations
7.3.3 Special Areas Considerations
7.3.4 Capital Improvement Project Types
7.4 Capital Improvement Projects
7.4.1 Project SSC-1
7.4.2 Project SSC-2
7.4.3 Project SSC-3
7.4.4 Project SSC-4
7.4.5 Project SSC-5
7.4.6 Project SSC-6
7.4.7 Project SSC-7
7.4.8 Project SSC-8
7.4.9 Project SSC-9
7.4.10 Project SSC-10
7.4.11 Project SSC-11
7.4.12 Project SSC-12
7.4.13 Project SSC-13
7.4.14 Project SSC-14
7.4.15 Project SSC-15
7.4.16 Project SSC-16
7.4.17 Project SSC-17
7.4.18 Project SSC-18
7.4.19 Project SSC-19
7.5 Prioritization
7.6 Other Improvement Recommendations
7.6.1 Project SSC Other-1
7.6.2 Project SSC Other-2
7.6.3 Project SSC Other-3
7.6.4 Project SSC Other-4
7.6.5 Project SSC Other-5
7.6.6 Project SSC Other-6
7.6.7 Project SSC Other-7
7.6.8 Project SSC Other-8
7.6.9 Project SSC Other-9
7.6.10 Project SSC Other-10
7.6.11 Project SSC Other-11
7.6.12 Project SSC Other-12
7.6.13 Project SSC Other-13
7.6.14 Project SSC Other-14
7.6.15 Project SSC Other-15
7.6.16 Project SSC Other-16
7.6.17 Project SSC Other-17
7.6.18 Project SSC Private 1
7.6.19 Project SSC Private 2
7.6.20 Project SSC Private 3
7.6.21 Project SSC Private 4
7.6.22 Project SSC Private 5
7.6.23 Project SSC Private 6
7.6.24 Project SSC Private 7
Section 8 - Implementation
(19 K)
8.1 Introduction
8.2 Capital Improvement Project Implementation
8.3 Education Program
8.4 Project Funding
8.5 Coordination Efforts
8.6 Additional Studies
Section 9 - Glossary of Terms and References
(57 K)
9.1 Glossary of Terms
9.2 References
Appendices
Appendix A - Digital Deliverables
(17 K)
Appendix B - Public Participation Materials (Summary Documents, Attendance Lists, Minutes, Watershed News)
(11.1 M)
Appendix C - Hydrologic Model Input Data and Results
(617 K)
Appendix D - Water Quality Sampling Data
(376 K)
Appendix E - Fundamentals of Fluvial Geomorphology
(664 K)
Appendix F - Channel Condition Scoring Matrix and Channel Condition Data
(19.1 M)
Appendix G - Dominant Process Indicators and Reach Summary Data Sheets
(440 K)
Appendix H - Capital Improvement Project Prioritization Ranking Worksheets
(488 K)
Appendix I - Capital Improvement Project Cost Worksheets
(318 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
2-1 Hydrology Study Areas
2-2 Water Quality Sampling Sites
2-3 Study Reaches
3-1 Subbasin Boundaries
3-2 Subbasin Boundaries
3-3 Subbasin Boundaries
3-4 Subbasin Boundaries
3-5 Existing Land Use
3-6 Hydologic Soil Groups
3-7 Watershed Culvert Analysis
4-1 Water Quality Sampling Sites
4-2 Geometric Mean of Sodium-Absorption Ratio
4-3 Total Suspended Solid Concentrations Increase
4-4 E. coli Concentrations Increase
4-5 Total Phosphorus Concentrations
4-6 Atrazine Concentrations Increase
5-1 Channel Evolution Stages
5-2 Study Reaches
5-3 Channel Condition Points
5-4 Stream Channel Dominant Process
6-1 Special Areas Map 1
6-2 Special Areas Map 2
6-3 Special Areas Map 3
7-1 Rock Grade Control Structure Detail
7-2 Bank Stabilization Structure Detail
7-3 Stilling Basin Structure Detail
7-4 Watershed Projects - CIP
7-5 Incision in channel
7-6 Conceptual Layout of SSC-1
7-7 Failing Grade Control
7-8 Incising channel north of Irvingdale Park
7-9 Conceptual Layout of SSC-2
7-10 Knickpoint and Exposed Bridge Piers
7-11 Conceptual Layout of SSC-3
7-12 Old Cheney Rd Bridge Piers Exposed
7-13 Conceptual Layout of SSC-4
7-14 Headcut and Knickzone associated with Channel Incision
7-15 Conceptual Layout of SSC-5
7-16 Knickpoint Downstream of old Railroad Bridge Knickpoint
7-17 Trail Bridge with exposed footings
7-18 Conceptual Layout of SSC-6
7-19 Perched Culvert at W Rokeby Rd
7-20 Conceptual Layout of SSC-7
7-21 Perched SW 12th St culvert outfall
7-22 Conceptual Layout of SSC-8
7-23 Eroding farm crossing holding up knickpoint
7-24 Conceptual Layout of SSC-9
7-25 Headcut propagating into field
7-26 Conceptual Layout of SSC-10
7-27 Knickpoint in channel
7-28 Conceptual Layout of SSC-11
7-29 Perched S 1st St Culvert
7-30 Conceptual Layout of SSC-12
7-31 Perched S 1st St culvert
7-32 Conceptual Layout of SSC-13
7-33 Perched Saltillo Rd culvert
7-34 Conceptual Layout of SSC-14
7-35 Knickpoint Beneath Trail Bridge
7-36 Conceptual Layout of SSC-15
7-37 Root mass holding up 3 foot knickpoint on main stem
7-38 Conceptual Layout of SSC-16
7-39 Knick at confluence
7-40 Conceptual Layout of SSC-17
7-41 1 foot knickpoint held up by tree roots
7-42 Conceptual Layout of SSC-18
7-43 Debris jam holding up knickpoint
7-44 Conceptual Layout of SSC-19
7-45 Other & Private Projects
7-46 SSC Other-1 Project Location
7-47 SC015R005 upstream of the dam
7-48 SSC Other-2 Project Location
7-49 Tributary SC015R015
7-50 SSC Other-3 Project Location
7-51 SC015R005 upstream of the dam
7-52 SSC Other-4 Project Location
7-53 incised channel reach
7-54 SSC Other-5 Project Location
7-55 Incised channel reach
7-56 SSC Other-6 Project Location
7-57 SSC Other-7 Project Location
7-58 SSC Other-8 Project Location
7-59 SSC Other-1 Project Location
7-60 S 54th St culvert
7-61 SSC Other-10 Project Location
7-62 SSC Other-11 Project Location
7-63 Bennet Rd culvert
7-64 SSC Other-12 Project Location
7-65 W Rokeby Rd culvert
7-66 SSC Other-13 Project Location
7-67 W Rokeby Rd culvert
7-68 SSC Other-14 Project Location
7-69 S 1st St culvert
7-70 SSC Other-15 Project Location
7-71 SW 12th St culvert
7-72 SSC Other-16 Project Location
7-73 SSC Other-17 Project Location
7-74 Petroleum pipe exposed in bed
7-75 SSC Private-1 Project Location
7-76 Pipe exposed in bed
7-77 SSC Private-2 Project Location
7-78 Petroleum pipe exposed in bed
7-79 SSC Private-3 Project Location
7-80 Natural gas pipe exposed in bed
7-81 SSC Private-4 Project Location
7-82 Petroleum pipe exposed in channel
7-83 SSC Private-5 Project Location
7-84 Broken up and deteriorated concrete channel
7-85 SSC Private-6 Project Location
7-86 Bank Erosion and Incision Upstream of Warlick Blvd
7-87 SSC Private-7 Project Location
Tables
ES-1 Project Priority, Rank and Cost
1-1 Watershed Characteristics
1-2 Study Area Characteristics
3-1 Rainfall Depths
3-2 Lookup table
3-3 Peak Flow Rates
3-4 Culvert Overtopping Analysis
4-1 Analytes Evaluated For Each Sample
4-2 Geometric Means of Selected Analytes
4-3 Total-suspended solid concentrations increase
4-4 E. coli. concentrations tend to increase
4-5 Total phosphorus concentrations
4-6 Atrazine concentrations tend to increase
5-1 Average Field Score Per Channel Condition Rating Category
5-2 Number of GOOD, FAIR and POOR Field Scores
7-1 Project Priority, Rank and Cost
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