SOUTH ALCONA FLOOD RELIEF PROJECT

Bhavika Patel, Restoration Engineer

LSRCA Board of Directors

April 24, 2020

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PROJECT STUDY AREA

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PROJECT PARTNERS

Lake Simcoe Region Conversation Authority

Town of Innisfil :

Landowner

Province of Ontario through National Disaster

Mitigation Program

Greenland Engineering - Consultant

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PROJECT STATEMENT

Develop an engineering design

solution to reduce flooding within

the study area by maximizing

green infrastructure to enhance

water quality and infiltration

before discharge to Lake Simcoe

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Initiate Class EAPublish Notice of Commencement

Establish Community

Liaison Committee as Necessary

Prepare Baseline Environmental

Inventory (Existing Conditions)

Evaluate Alternative Remedial

Measures & Select Preferred

Measure

Conduct Detailed Analysis of

Environmental Impacts

Can all Environmental

Impacts Be Avoided,

Mitigated or Compensated?

Project Approved Under EA Act!

Provide Notice of Project Approval

& Proceed to Construction

Are all Concerns Addressed? (No

Part II Order Requests)

Prepare and File Notice of

Addendum as Necessary to

Address Comments

Publish Notice of Filing for Review

Are Impacts Deemed

Acceptable?

Prepare EnvironmentalStudy Report

Minister of Environment

Reviews Part II Order Request

UNCERTAINYES

YES

NO

CONSERVATION AUTHORITY ENVIRONMENTAL ASSESSMENT (EA) FLOW CHART

EA POINTS OF PUBLIC CONTACT

EA STUDY PROCESS

STEPS

LEGEND

START OF PROCESS

END OF PROCESS

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ENVIRONMENTAL ASSESSMENT MILESTONES

• September 20, 2019Notice of Study Commencement

• December 10, 2019, 4:00 PM – 7:00 PMPublic Information Centre 1

• March 10, 2020, 4:30 PM – 7:30 PMPublic Information Centre 2

• March 30, 2020Notice of Study Completion

• April 1 to April 30, 2020Environmental Study Report (ESR) for Review and input

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FLOOD REDUCTION OPTIONS EVALUATION PROCESS

Natural Environmental

Impacts

Impact to vegetation and wildlife

Surface/Groundwater quality and quantity

considerations

Social / Cultural Impacts

Land Use & Archaeological Considerations (Including First

Nations)

Interuption to residents

Visual landscape and aesthetics

Economical Impacts

Capital and construction costs

Long-term operation and maintenance

costs

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STUDY AREA PHOTOS

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PREFERRED DESIGN OPTIONS

- CONVEYANCE OPTION- Upgrade Belle Aire Creek Channel and Culverts Capacity to Convey Existing 2-year Storm

- STORAGE and BYPASS OPTION- By‐Pass Flows Above 2‐year Storm to Existing Wetland via New Green Infrastructure Bypass / Storage Channel in 30m Buffer

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Estimated Cost: 600K

CONVEYANCE OPTION- Upgrade Belle Aire Creek Channel and Culverts Capacity to Convey Existing 2-year Storm

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STORAGE & BYPASS OPTION- By‐Pass Flows Above 2‐year Storm to Existing Wetland via New Green Infrastructure Bypass / Storage Channel in 30m Buffer

Estimated Cost: 6.11M

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Questions?