City of Cornwall Water Blueprint: Program Update

Council Meeting June 27th, 2016

John St. Marseille , M.Sc., P.Geo., P.Eng., FEC GM, Infrastructure & Municipal Works

Tracey Bailey Deputy Treasurer, Financial Services

• Extreme Weather Events + Flooding Clusters

• Blueprint Evolution

• Likely Flooding Causes, Inflow / Infiltration

• Citizen and Stakeholder Engagement

• Aging Infrastructure

• Flood Risk Reduction Measures

• Rebate Program

• Other Key Capital Projects

• Financial Update

Presentation Overview

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Blueprint Evolution

October 9th, 2013

March 13th, 2014

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Flooding Clusters – Extreme Events

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Comprehensive Brand to address Economic and Financial as well as the Environment pillars of the

City’s Strategic Plan:

“Cornwall Blueprint”

Sewers

• Basement Flooding Reduction

• Climate Change Preparation

• Infrastructure Awareness and Resiliency

Water

• Water Conservation

• Demand Management

Urban Water Strategy, Infrastructure Strategy, and Climate Action Initiatives

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• I/I: leaky manholes and sewers (groundwater and surface water contributions)

• Roof and foundation drains connected directly to sanitary sewer laterals

Likely Flooding Causes “Flooding by a thousand drips”

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Inflow / Infiltration (I/I)

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Citizen and Stakeholder Engagement

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• Inspect, clean and repair leaky manholes / sewers

Aging Infrastructure

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Backwater Valve Installation

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Weeping Tile Disconnection (Foundation Drain)

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• Homeowner Rebate (246 applicants and $122,170 refunded to date)

– Backwater Valve Installation

– Foundation Drain Disconnection from Sanitary Sewer

– Sump Pump Installation

– Lot Grading

– Eavestrough Reconfiguration

• Up to $3,600 (80%) in approved rebates available

• City will consider retroactive applicants (To Jan 1, 2010)

Flood Risk Reduction Rebate Program (Resiliency)

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Grand/Miron Sewer and Pumping Station

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Real Time Sewer Monitoring

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AMG Flow Data

Pipe Flow (l/s)

Intensity (mm/hr)

Real Time Sewer Monitoring

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7th Street Bioswale

AFTER

Low Impact Development – Stormwater Management BEFORE

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Flood Reduction – Next Steps • Pumping Station Retrofits

• Continued Sewer Separation

• Ditch Cleaning, Repairs, Replacement

• Eamer’s Corners Stormwater Pond

• Use of Rain Gardens on Individual Lots

• Boals Drain/Plan 240 Storm Sewer Updates

• Rebate Program Promotion

• On-Going Manhole and Sewer Cleaning, Inspections and Repairs

• Review Sewer Flow Data to Identify Problem Networks

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Financial Update As part of the 2014 Water and Sewer Budget, Council approved a $15M three year plan for Flood Reduction initiatives as part of

the Cornwall Blueprint 2014 Budget 2015 Budget 2016 Budget Budget to-date

Project

Grand/Miron New Sewer Outlet 2,500,000 2,500,000 - 5,000,000

Eamers Corners SWM Pond 1,000,000 350,000 - 1,350,000

Culvert Replacement 200,000 200,000 - 400,000

Infiltration/Inflow Reduction Project 200,000 100,000 200,000 500,000

Real-Time Network Monitoring 300,000 - - 300,000

Drain Ditch and Storm Maintenance 100,000 30,000 30,000 160,000

Boals Drain/Flood Capture 300,000 - - 300,000

Easton Ave Sewer Infiltration/Inflow Reduction - 600,000 - 600,000

Sewer Network Improvements/Flood Reduction - 685,000 800,000 1,485,000

Christy/Dunkirk Flood Migration - 250,000 - 250,000

Fennel Crescent Pumping Station Upgrade - - 900,000 900,000

Total Capital 4,600,000 4,715,000 1,930,000 11,245,000

$9M of the $15M Budget has been spent

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Funding 2014 Budget 2015 Budget 2016 Budget Budget to-date

Funding

Small, Rural, Northern Municipal Infrastructure Fund 1,000,000 1,000,000 - 2,000,000

Financing 3,600,000 3,715,000 900,000 8,215,000

Waste Water Billings - - 530,000 530,000

Waste Water Works Reserve - - 500,000 500,000

Total Funding 4,600,000 4,715,000 1,930,000 11,245,000

Financing Borrowed by ByLaw

Date Jul-15 Jan-16

Amount $2,200,000 $1,000,000

Rate 2.58% 2.72%

Term 10 years 10 years

Annual Payment $249,827 $114,333

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Thank You.