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City of Lincoln
Watershed Stormwater Master Plans

Cardwell Branch

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Download Complete Report (3.42 M)

Table of Contents

Cover Page (296 K)

Executive Summary (835 M)

Section 1 - Introduction and Purpose (519 K)

  • 1.1 Introduction
  • 1.2 Goals and Objectives
  • 1.3 Public Participation Process
    • 1.3.1 Open House Events
    • 1.3.2 Newsletter and Website
    • 1.3.3 Information Meetings

Section 2 - Watershed Inventory and Methodology (518 K)

  • 2.1 Watershed Inventory
  • 2.2 Phase 1 Summary Discussion
  • 2.3 Study Methodology
    • 2.3.1 Hydrologic and Hydraulic Evaluation
    • 2.3.2 Geomorphic Evaluation
    • 2.3.3 Water Quality Assessment

Section 3 - Water Quality Assessment (762 M)

  • 3.1 Introduction
  • 3.2 USGS Stream-Ecology Assessment
  • 3.3 Methodology
    • 3.3.1 Natural Resource Assessment
    • 3.3.2 Stream Asset Inventory
    • 3.3.3 Recommendation Rationale
  • 3.4 Results and Conclusions
    • 3.4.1 Natural Resource Assessment Results
    • 3.4.2 Stream Asset Inventory Results
    • 3.4.3 Conclusions
  • 3.4 Stream Gauge Statistical Analysis
  • 3.5 Watershed Management Recommendations
    • 3.5.1 Riparian Corridor Enhancements
    • 3.5.2 Stormwater Management Practices
    • 3.5.3 Opportunity Area Locations
    • 3.5.4 Vegetative Maintenance/Restoration/Protection Efforts
    • 3.5.5 Habitat Corridors and Connectivity
    • 3.5.6 Stream Stabilization Measures

Section 4 - Fluvial Geomorphic Evaluation (367 K)

  • 4.1 Introduction
  • 4.2 USGS Geomorphic Assessment
  • 4.3 Geomorphic Field Reconnaissance
  • 4.4 Evaluation Results
    • 4.4.1 Stream Stage Classification
    • 4.4.2 Summary Discussion
  • 4.5 Stream Improvements

Section 5 - Capital Improvement Projects (1.21 M)

  • 5.1 Problem Identification
    • 5.1.1 Drainage Infrastructure
    • 5.1.2 Habitable Buildings
    • 5.1.3 Natural Streams
  • 5.2 Primary Problem Area Improvements
    • 5.2.1 Capital Improvement Projects
    • 5.2.2 Prioritization
  • 5.3 Secondary Problem Area Improvements
    • 5.3.1 Habitable Building
    • 5.3.2 Natural Streams

Section 6 - Implementation (33 K)

  • 6.1 Policy and Ordinances
  • 6.2 Maintenance and Funding
  • 6.3 Education Program
  • 6.4 Coordination Efforts

Section 7 - Glossary of Terms and References (58 K)

Tables

  • 5-1 Cardwell Branch Priority Ranking Results

Figures

  • 1-1 Cardwell Branch Study Area Map
  • 1-2 City of Lincoln Comprehensive Watershed Management Plan
  • 2-1 Cardwell Branch Floodprone Areas
  • 2-2 Tile 1 Floodprone Area Map
  • 2-3 Tile 2 Floodprone Area Map
  • 2-4 Tile 3 Floodprone Area Map
  • 3-1 Cardwell Branch Existing Woodland Riparian Corridors and Native Prairie
  • 3-2 Cardwell Branch Stream Quality Rating
  • 3-3 Cardwell Branch Watershed Management Recommendations
  • 4-1 Channel Evaluation Model (Simon 1989)
  • 4-2 Cardwell Branch Geomorphic Processes
  • 4-3 Cardwell Branch Shear Stress Values
  • 4-4 Newbury-Style Grade Control Structure
  • 5-1 Cardwell Branch CIP Locations
  • 5-2 Cardwell Branch Secondary Problem Area Locations
  • 5-3 Cardwell Branch Potential Regional Detention Basin
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