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Comprehensive Watershed Master Plan
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Middle Creek Watershed Master Plan
Middle Creek Watershed Master Plan
January 2015
Documents in PDF format.
Download Complete Report
(20.3 M Zip PDF)
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Cover and Table of Contents
(362 K)
Executive Summary
(1.09 M)
Section 1 - Introduction and Purpose
(1.28 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
(518 K)
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
(1.15 M)
3.1 Introduction
3.2 Methodology
3.2.1 Sub-basin Delineation
3.2.2 Rainfall
3.2.3 Runoff Volume
3.2.4 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
(884 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
(1.08 M)
5.1 Introduction
5.2 Methodology
5.3 Results
5.4 Stream Recommendations
Section 6 - Special Areas
(783 K)
6.1 Introduction
6.2 Methodology
6.3 Evaluation Results
6.4 Special Area Recommendations
Section 7 - Capital Improvement Projects
(3.31 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 MC-1
7.4.2 Project MC-2
7.4.3 Project MC-3
7.4.4 Project MC-4
7.4.5 Project MC-5
7.4.6 Project MC-6
7.4.7 Project MC-7
7.5 Prioritization
7.6 Other Improvement Recommendations
7.6.1 Project MC Other-1
7.6.2 Project MC Private-1
7.6.3 Project MC Private-2
Section 8 - Implementation
(22 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
(60 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
(256 K)
Appendix D - Water Quality Sampling Data
(299 K)
Appendix E - Fundamentals of Fluvial Geomorphology
(663 K)
Appendix F - Channel Condition Scoring Matrix and Channel Condition Data
(345 K)
Appendix G - Dominant Process Indicators and Reach Summary Data Sheets
(114 K)
Appendix H - Capital Improvement Project Prioritization Ranking Worksheets
(98 K)
Appendix I - Capital Improvement Project Cost Worksheets
(60 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 Middle Creek Study Reaches
3-1 Subbasin Boundaries
3-2 Existing Land Use
3-3 Hydrologic Soil Groups
3-4 Watershed Culvert Analysis
4-1 Water Quality Sampling Sites
4-2 Geometric Mean of Sodium-Adsorption 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 Scores
5-4 Stream Channel Dominant Process
6-1 Special Areas Map 1
6-2 Special Areas Map 2
7-1 Rock Grade Control Structure Detail
7-2 Bank Stabilization Structure Detail
7-3 Stilling Basin Structure Detail
7-4 Potential CIP’s
7-5 Existing knickpoint
7-6 Conceptual Layout of MC-1
7-7 Failing grade control
7-8 Conceptual Layout of MC-2
7-9 Pipe Outfall Erosion
7-10 Conceptual Layout of MC-3
7-11 Bank Cutting
7-12 Conceptual Layout of MC-4
7-13 Project Reach Photo
7-14 Conceptual Layout of MC-5
7-15 Perched W O St Culvert
7-16 Conceptual Layout of MC-6
7-17 3 foot Knickpoint
7-18 1-80 culvert outfall
7-19 Conceptual Layout of MC-7
7-20 Other and Private Projects
7-21 W Adams St culvert
7-22 MC Other-1 Project Location
7-23 Incising Tributary
7-24 Project MC Private-1 Location
7-25 Barn near top of bank
7-26 Project MC Private 2 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
5.1 Average Field Score Per Channel Condition Rating Category
5.2 Number of GOOD, FAIR and POOR Field Scores
7.1 Project Priority, Rand and Cost
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