Barrie Creeks, Lovers Creek, and Hewitt's Creek Subwatershed Plan

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The Barrie Creeks, Lovers Creek and Hewitt’s Creek Subwatershed Plan future conditions was computed for only those subwatersheds identified in as having a low potential for stress under existing conditions. Table 4-6 contains the estimated existing and future water demand and the percent change from existing municipal water demand. Future municipal water demand was estimated from a variety of sources. In municipalities with long term Water Supply Plans, future average daily water demand was obtained directly from municipalities. For the Innisfil municipal water supply systems, projected average daily pumping rates were not available, but projected maximum daily pumping rates were presented. The maximum daily rates, however, do not represent typical long-term pumping conditions and therefore are not appropriate for use in the stress assessment. For these systems, the maximum daily rate was scaled down by a peaking factor of 2.5 to obtain estimates of average future demand. A peaking factor of 2.5 is the average peaking factor (i.e., ratio of maximum to average demand) for all municipal systems in the Tier Two Stress Assessment where both average and maximum daily pumping rates were available. Where future water demand was not directly available, it was estimated by applying either future population growth estimates, or by applying residential development plans to existing average daily per capita water use for each municipal water system. Future population estimates were available for the Town of Innisfil. It was assumed that each residential unit houses 2.6 persons as per Statistics Canada 2006 Census for Ontario, and that each person uses 348 L/day as per the combined residential and commercial water use rate for the City of Barrie in the Environment Canada 2004 Municipal Water Use Database. Other Permitted Uses Table 4-5 outlines the number of permitted groundwater takings by subwatershed and by water use sector. For the Lovers and Hewitt’s Creek subwatersheds the non-municipal permits account for the majority of permits issued, with the highest number being the commercial sector. Conversely, for the Barrie Creeks subwatershed less than half of the permits issued are from non-municipal water uses. Some of these include industrial and remediation. Some of the water pumped for industrial, agriculture, and golf course irrigation is lost to the atmosphere via evapotranspiration. While some may infiltrate back to the subsurface as irrigation return flow, actual consumption (i.e. water removed from the watershed), will differ by the specific application. In general, reported pumping rates do not consider the consumptive nature of the taking, as the permit holders are required to report total pumping but not the returned water volume. As such, in order to obtain consumptive demand, the reported rates were modified by a consumptive factor, as outlined in Section 4.3.3 and shown in Table 4-11 to Table 4-14. Chapter 4: Water Quantity – Surface and Groundwater 187
FERNDALE DR N SUNNIDALE RD ANNE ST N TIFFIN ST BAYFIELD ST N Barrie Creeks !( !( !( !( !(!( BARRIE !( !( !( !( LINE 1 S ORO-MEDONTE RIDGE RD W !(!(!( Kempenfelt Bay BIG BAY PT RD MAPLEVIEW DR Municipal supply wells in the Barrie Crreks, Lovers Creek, and Hewitt's Creek subwatersheds Figure 4-22 Legend Road Municipal Boundary Watercourse Municipal Well LOCKHART RD SIDERD 25 SIDERD 20 Hewitts Creeks 10TH LINE 400 HWY N YONGE ST HURONIA RD ESSA !(!( 9TH LINE VETERANS DR ESSA RD Lovers Creek COUNTY RD 27 10TH LINE INNISFIL BEACH RD !( !( 7TH LINE 6TH LINE 0 0.5 1 2 3 4 KilometresK INNISFIL 5TH LINE This product was produced by the Lake Simcoe Region Conservation Authority and some information depicted on this map may have been compiled from various sources. While every effort has been made to accurately depict the information, data / mapping errors may exist. This map has been produced for illustrative purposes only. LSRCA GIS Services DRAFT created July 2010. © LAKE SIMCOE REGION CONSERVATION AUTHORITY, 2010. All Rights Reserved The following datasets roads, municipal boundaries and Oak Ridges Moraine are © Queens Printer for Ontario, 2010. Reproduced with Permission SIDERD
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Barrie Creeks, Lovers Creek, and He
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Acknowledgements The Barrie Creeks,
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• East of the Barrie Creeks subwa
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Fish Habitat -Fish communities in t
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Table of Contents TABLE OF CONTENTS
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3.5.4 Water Temperature - thermal d
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5.3.11 Climate Change 237 5.4 ASSES
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6.5.10 Improving data management 31
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LIST OF FIGURES CHAPTER 1 Figure 1-
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Figure 2-34: Annual precipitation (
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CHAPTER 4 Figure 4-1: Hydrologic cy
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Figure 5-11: Pathways by which impe
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Figure 7-11: Riparian area with app
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Table 3-4: Surface water quality co
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CHAPTER 5 Table 5-1: Fish species c
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The Barrie Creeks, Lovers Creek and
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Creek ANNE ST N BAYFIELD ST N LINE
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ANNE ST N BAYFIELD ST N LINE 1 S OR
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FERNDALE DR N ANNE ST N BAYFIELD ST
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FERNDALE DR N SUNNIDALE RD ANNE ST
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7.4 Urban interactions - land use,
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Figure 7-9: An urban landscape with
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7.5 In-stream interactions - activi
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7.7 Developing an implementation pl
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Barrie Creeks, Lovers Creek, and Hewitt's Creek Subwatershed Plan

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