Peel Synthesis Report Appendices (Part B)
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Peel Synthesis Report Appendices (Part B) November 2019 Prepared for: This technical summary report (including any attachments) has been prepared using information current to the report date. It provides an assessment of provincial policy conformity requirements, recognizing that Provincial plans and policies were under review and are potentially subject to change. The proposed direction contained in this technical summary report will be reviewed to ensure that any implementing amendments to the Regional Official Plan will conform or be consistent with the most recent in-effect provincial policy statement, plans and legislation. Additional changes will not be made to the contents of this technical summary report. Peel Synthesis Report: Appendices (Part B) November 2019 Table of Contents Appendix Page A. WATERSHED AND SUBWATERSHED PLANNING AND RELATED STUDIES ...................................1 A.1 Credit Valley Conservation Authority .................................................................................... 1 A.2 Toronto and Region Conservation Authority ......................................................................... 8 A.3 Conservation Halton ............................................................................................................ 11 A.4 Nottawasaga Valley Conservation Authority ....................................................................... 13 A.5 Lake Simcoe Region Conservation Authority ....................................................................... 15 B. CONSERVATION AUTHORITY POLICIES, REGULATIONS, AND REGULATORY MAPPING ............ 17 B.1 Credit Valley Conservation Authority .................................................................................. 17 B.2 Toronto and Region Conservation Authority ....................................................................... 18 B.3 Conservation Halton, NVCA, and LSRCA .............................................................................. 18 C. SOURCE WATER PROTECTION ASSESSMENT REPORTS AND PLANS ........................................ 19 C.1 CTC Source Protection Plan (2015) ...................................................................................... 19 C.2 SGBLS Source Protection Plan (SGBLS-SPC 2018) ................................................................ 21 C.3 Halton-Hamilton Source Protection Plan ............................................................................. 22 D. CLIMATE CHANGE STUDIES ................................................................................................... 25 D.1 Peel Community Climate Partnership and Other Partnership Studies ................................ 25 D.2 Credit Valley Conservation Authority .................................................................................. 32 D.3 Toronto and Region Conservation Authority ....................................................................... 34 D.4 Lake Simcoe Region Conservation Authority ....................................................................... 36 E. GREAT LAKES STUDIES .......................................................................................................... 37 E.1 Ontario’s Great Lakes Strategy ............................................................................................ 37 E.2 Toronto and Region Remedial Action Plan .......................................................................... 38 E.3 CVC Lake Ontario Integrated Shoreline Strategy (LOISS) ..................................................... 38 F. NATURAL SYSTEMS STUDIES................................................................................................. 41 F.1 Credit Valley Conservation Authority .................................................................................. 41 F.2 Toronto and Region Conservation Authority ....................................................................... 47 F.3 Lake Simcoe Conservation Authority ................................................................................... 56 F.4 Conservation Halton ............................................................................................................ 56 G. FLOOD HAZARD AND WATER QUANTITY STUDIES ................................................................. 57 G.1 Credit Valley Conservation Authority .................................................................................. 57 G.2 Toronto and Region Conservation Authority ....................................................................... 58 G.3 Lake Simcoe Region Conservation Authority ....................................................................... 71 Peel Synthesis Report: Appendices (Part B) November 2019 G.4 Nottawasaga Region Conservation Authority ...................................................................... 71 G.5 Conservation Halton ............................................................................................................ 72 H. EROSION HAZARD STUDIES AND MAPPING ........................................................................... 73 H.1 Credit Valley Conservation Authority .................................................................................. 73 H.2 Toronto and Region Conservation Authority ....................................................................... 74 H.3 Conservation Halton, NVCA, and LSRCA .............................................................................. 75 I. WATER QUALITY STUDIES..................................................................................................... 77 I.1 Credit Valley Conservation Authority .................................................................................. 77 I.2 Toronto and Region Conservation Authority ....................................................................... 78 I.3 Conservation Halton, NVCA, and LSRCA .............................................................................. 79 J. MONITORING PROGRAMS ................................................................................................... 81 J.1 Credit Valley Conservation Authority .................................................................................. 81 J.2 Toronto and Region Conservation Authority ....................................................................... 82 List of Figures Figure A.1: Subwatershed Delineation for the CVC Jurisdiction .................................................................. 3 Figure C.1: Peel Region Within the Halton-Hamilton Source Protection Area ........................................... 23 Figure D.1: Location of Nine Highly Vulnerable Stream Reaches Based on Stream Flow and Water Temperature ............................................................................................................................ 28 Figure D.2: Terrestrial Systems Vulnerability Ratings in Peel Region ......................................................... 29 Figure F.1: CVC’s Natural Heritage System ................................................................................................. 43 Figure G.1: Floodplain Mapping for the Region of Peel ............................................................................. 59 Figure G.2: Quantity Control Release Rates for the Humber River Watershed ......................................... 61 Figure G.3: Regional Peak Flows Within the Headwaters of Etobicoke Creek Watershed Under Different Scenarios ................................................................................................................ 64 Figure G.4: Mimico Creek Watershed Existing Land Use (December 2009) .............................................. 65 Figure G.5: Flood Vulnerable Clusters located in the Region of Peel ......................................................... 67 Figure G.6: Flood Extent Map for the Avondale/Spring Creek Area .......................................................... 68 Figure G.7: Flood Extent Map for the Brampton Central Area ................................................................... 68 Figure G.8: Flood Extent Map for the Bolton Core Area ............................................................................ 69 Figure G.9: Flood Extent Map for the Little Etobicoke Area ....................................................................... 69 Figure G.10: Flood Extent Map for the Dixie-Dundas Area ........................................................................ 70 Figure G.11: Flood Extent Map for the West Mall Area ............................................................................. 70 Figure G.12: Flood Extent Map for the Malton Area .................................................................................. 71 Figure J.1: CVC’s Integrated Watershed Monitoring Program Sites ........................................................... 82 Figure J.2: TRCA’s Regional Watershed Monitoring Program Sampling Sites in Peel Region .................... 83 Peel Synthesis Report: Appendices (Part B) November 2019 List of Tables Table A.1: List of Subwatershed Studies Available for the CVC Jurisdiction ................................................ 4 Table C.1: Description of Vulnerable Area Delineation and Threats for Municipal Surface Water Systems that Fall Within Peel Region ...................................................................................... 20 Table C.2: Description of Vulnerable Area Delineation and Threats for Municipal Groundwater Systems that Fall Within Peel Region .....................................................................................