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SALT LAKE CITY DEPARTMENT OF PUBLIC UTILITIES Red Butte Creek Riparian Corridor Study PowerPoint PPT Presentation

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SALT LAKE CITY DEPARTMENT OF PUBLIC UTILITIES Red Butte Creek Riparian Corridor Study Public Workshop 4 December 9, 2009 Facilitated by BIO-WEST, Inc. Workshop Presentation Outline. Review of Workshops 1, 2, and 3 Purpose/Need of Study Study Plan and Schedule

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Presentation Transcript



Red Butte Creek Riparian Corridor Study

Public Workshop 4

December 9, 2009

Facilitated by BIO-WEST, Inc.

Workshop Presentation Outline

  • Review of Workshops 1, 2, and 3

    • Purpose/Need of Study

    • Study Plan and Schedule

    • Riparian Corridor Definition & Functions

    • Baseline Assessment

    • Recommended Types of Improvement Projects

    • Vision Statement

  • Overview of Draft Report Organization

  • Useful Tools

Why is SLC Conducting This Study?

  • To assess current conditions

  • To determine desired future conditions

  • To identify opportunities for restoration and remediation of Emigration Creek

Why is SLC Conducting This Study?

  • To use the information, data, and maps developed during the study to inform planning, permitting, and administrative processes of the Riparian Corridor Overlay District Ordinance (RCO)

What Will the Riparian Corridor Study Management Plan Include?

  • Statement(s) of desired future conditions

  • Identification of restoration and remediation projects

  • Cost analysis and ranking of projects

  • Identification of project funding mechanisms

  • Presentation of best management practices

  • Inventory of GIS-based information

  • Continuation of public outreach

What Does a Riparian Corridor Study Involve?

Salt Lake City Public Utilities


Baseline Condition Assessment


stream condition

Historical and Current Trend Assessment

Planning & Public Outreach

public workshops (four)

subcommittee/stakeholder meetings (quarterly)

web site comment form

Management Plan / Desired Future Conditions

Timeline and Milestones

Identify Improvement Projects

High Flow Field Evaluation

Historical Trend Assessment

Draft and Final

Mgt. Plans

Field Evaluation

Fall 2008 Winter 2009 Spring 2009 Summer 2009 Fall 2009

Public Workshop 1

Public Workshop 2

Public Workshop 3

Public Workshop 4

Riparian Area Definition:

  • Zone of influence or “transition zone” between aquatic and upland areas

  • The city’s Riparian Corridor Overlay Zone Ordinance (RCO) applies to the area within 100 feet of the annual high water level of above-ground streams.

Riparian Corridor Functions:

  • Wildlife and Aquatic Habitat

    • 60% of vertebrate species in arid Southwest rely on riparian areas (Ohmart and Anderson 1982)

  • Shading and Water-Temperature Control

  • Aesthetics

  • Recreation and Open Space

  • Floodplain Storage and Flood-Damage Reduction

Riparian Corridor Functions:

  • Wildlife Travel Corridors/Connectivity

  • Organic Matter Inputs

  • Stream Stability/Safety

  • Pollution and Nutrient Filtration

  • Storm Water and Irrigation Water Conveyance

Baseline Condition Assessment

Baseline Condition Assessment

Baseline Assessment Results Review

  • Aesthetics Function – Litter

  • Wildlife Habitat Function – Invasive Plants

  • Filtration Function – Lack of shrub and understory cover

  • Stability Function

    • Erosion from storm runoff and drain outfalls

    • Scour around concrete

    • Culverts narrower than channel width

    • On-going stream channel adjustments

    • Altered hydrology

Improvement Projects Review

  • Riparian Corridor Projects

    • General Projects

      • Appropriate at any scale

    • Local-scale Projects

      • Relevant to specific individual locations or features (storm drain, culvert, etc.)

    • Reach-scale Projects

      • Stream bed and bank stability should be addressed at this scale

  • Watershed-scale Projects

Figure from SLCO 2009

Improvement Projects Review

  • General Projects

    • Stream Cleanup

    • Invasive Plant Removal

    • Biotechnical Slope Stabilization

  • Local-scale Projects

    • Storm Drain Outlet Protection

    • Stream Crossing Design/Culvert Replacement

    • No-trespassing Signage

Improvement Projects Review

  • Reach-scale Projects

    • Should implement comprehensively through reach from “hard point” to “hard point”

    • Grade Control

    • Bank Stabilization

      • Toe protection

Draft Red Butte Creek Document

  • Section 1: Introduction

    • RCO ordinance, setbacks

    • study goals, objectives, mayor’s goal

    • riparian corridor functions

  • Section 2: Baseline Assessment Methods

    • study reaches

    • stream-condition assessment

    • vegetation assessment

    • watershed/historical information

Draft Red Butte Creek Document

  • Section 3: Baseline Assessment Results

    • watershed conditions

    • historical conditions

    • field assessment results

  • Section 4: Recommended Improvement Projects

    • description of various project types and scales

    • references and tools

  • Section 5: Riparian Corridor Vision

    • summary of stakeholder input

    • vision statement

    • implementation approaches

  • Appendix C: Reach Maps, Summaries, and Recommendations

Tools Included in Draft Plan – Section 4

  • Sidebars provide resource/ reference information for:

    • potential partnering organizations

    • herbicide BMPs

    • internet resources and reference documents (storm water, stream stabilization, bio-engineering, fire-wise plants)

    • sources of native plants and seed

    • material suppliers for erosion control, bio-engineering etc.

    • permitting

Tools (cont.) – Section 4

  • Tables

    • invasive plant species

    • recommended native plant species

      • preferred light conditions

      • preferred moisture conditions

      • suitable for planting as a live cutting/live stake

Tools (cont.) – Section 4

  • Tables

    • permitting requirements

    • unit cost information

    • grant resources for funding improvement projects

Tools (cont.) - Section 4

Tools (cont.) - Section 4

Tools – Section 5

Tools (cont.) – Appendix B

  • Detail drawings

Tools – Appendix C

  • Two-page layout for each stream reach

Tools – Appendix C

Tools – Appendix C

Next Steps

  • More Detailed Information on Priorities and Project Costs for Specific Reaches

Next Steps

  • More Detailed Information on Specific Action Items, Lead Entities, Time Frames for Implementation

Next Steps

  • Possible Establishment of a Riparian Corridor Working Group to Guide Implementation Efforts

    • Let us know if you would like to be involved!

    • Emphasis on collaboration and pursuit of grant funding


  • If you have a specific interest in a certain stream reach or set of reaches, let us know what riparian functions or improvement project recommendations are most important to you in that reach.

  • Please add your comments on the reach-specific forms.

  • Let us know who you are.


  • Comment on the draft vision statement for the project.

  • Ask project staff questions.

  • Provide comments on the draft management plan.

  • Draft report comments will be accepted until January 15, 2010.

Where to Get the Draft Report

  • Download (*.pdf) files from City website

  • Take a CD copy.

  • Take a hard copy (limited supply).

  • Ask to have a CD copy mailed to you.

Ways to Comment and Participate

  • Appendix C pages posted around the room

  • Workshop response form

  • SLC DPU website (

  • Contact SLC DPU: Florence Reynolds 801-483-6864 florence.reynolds


BIO-WEST Contacts:

Melissa Stamp


[email protected]

Christopher Sands


[email protected]

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