Township of King Water and Wastewater Master Plan Class Environmental Assessment Project File Report FINAL REPORT ▪ JULY 2020 REPORT PREPARED FOR TOWNSHIP OF KING 2585 KING ROAD KING CITY, ON L7B 1A1 (905) 833-5321 REPORT PREPARED BY THE MUNICIPAL INFRASTRUCTURE GROUP LTD. 8800 DUFFERIN STREET, SUITE 200 VAUGHAN, ON L4K 0C5 (905) 738-5700 TMIG PROJECT NUMBER 14100 this report has been formatted for double-sided printing TOWNSHIP OF KING WATER AND WASTEWATER MASTER PLAN PROJECT FILE REPORT FINAL REPORT • July 2020 CONTENTS 1 INTRODUCTION ................................................................................ 1 1.1 Purpose .......................................................................................... 1 1.2 Study Area...................................................................................... 1 1.3 Class Environmental Assessment Process ................................ 2 1.4 Project Team .................................................................................. 3 2 BACKGROUND INFORMATION ....................................................... 5 2.1 A Place to Grow: Growth Plan for the Greater Golden Horseshoe ...................................................................................... 5 2.2 Official Plan Review ...................................................................... 5 2.3 Township of King Transportation Master Plan ........................... 5 2.4 York Region 2016 Water and Wastewater Master Plan .............. 5 2.5 King Township Urbanization Study ............................................. 6 2.6 Greenbelt Plan ............................................................................... 6 2.7 Oak Ridges Moraine Conservation Plan ...................................... 6 3 DESCRIPTION OF THE PROJECT AREA ....................................... 9 3.1 Planning Information ..................................................................... 9 3.2 Population Consideration for Regional Facilities ..................... 10 3.3 Natural Environment ................................................................... 14 3.4 Geotechnical Conditions ............................................................ 17 3.5 Hydrogeological Conditions ....................................................... 18 3.6 Archaeological Conditions ......................................................... 19 3.7 Socio-Economic Conditions ....................................................... 19 4 EXISTING WATER INFRASTRUCTURE ........................................ 20 4.1 Overview of King Township Water Distribution Systems ........................................................................................ 21 4.2 Review of Existing Design Criteria ............................................ 22 4.3 Review of Existing Water Demands ........................................... 27 4.4 Review of Potential Water Servicing Constraints ..................... 28 5 EXISTING WASTEWATER INFRASTRUCTURE ........................... 35 5.1 Overview of King Township Systems ........................................ 35 5.2 Review of Existing Design Criteria ............................................ 40 5.3 Review of Existing Wastewater Flows ....................................... 40 5.4 Review of Potential Sanitary Servicing Constraints ................. 41 6 PROBLEM/OPPORTUNITY STATEMENT ..................................... 45 7 DEVELOPMENT AND EVALUATION OF ALTERNATIVE SOLUTIONS ..................................................................................... 47 7.1 Evaluation Methodology ............................................................. 47 7.2 Water & Wastewater System Alternatives ................................. 48 7.3 Evaluation of Water & Wastewater System Alternatives.......... 48 TMIG PROJECT NUMBER 14100 PAGE i 2020 07 15 - 14100 - RPT - MASTER PLAN REPORT - FINAL.DOCX WATER AND WASTEWATER MASTER PLAN TOWNSHIP OF KING PROJECT FILE REPORT FINAL REPORT • July 2020 8 DESCRIPTION OF PREFERRED ALTERNATIVE SOLUTIONS ..................................................................................... 51 8.1 Preferred Water Servicing Alternatives ..................................... 51 8.2 Preferred Wastewater Servicing Alternatives ........................... 57 8.3 Coordination with York Region Projects ................................... 59 9 MITIGATION MEASURES ............................................................... 63 9.1 Natural Environment ................................................................... 63 9.2 Social Environment ..................................................................... 64 9.3 Cultural Environment .................................................................. 65 10 CONFIRMATION OF EA SCHEDULE ............................................. 67 11 PUBLIC AND AGENCY CONSULTATION ..................................... 69 11.1 Notice of Study Commencement ............................................... 69 11.2 Stakeholder Consultation ........................................................... 69 11.3 First Nations Consultation .......................................................... 70 11.4 Notice of Study Completion and Report Review ...................... 71 11.5 Summary of Class EA Milestone Dates ..................................... 72 12 RESOURCES ................................................................................... 73 APPENDICES APPENDIX A COMMUNITY LAND USE BUDGETS APPENDIX B WATER AND WASTEWATER MASTER PLAN PROJECT MAPS APPENDIX C WATER AND WASTEWATER MASTER PLAN PROJECT TECHNICAL MEMORANDUM APPENDIX D NATURAL ENVIRONMENT REPORT (SAVANTA INC, JULY 2015) APPENDIX E GEOTECHNICAL DESKTOP STUDY REPORT APPENDIX F HYDROGEOLOGICAL DESKTOP STUDY REPORT APPENDIX G ARCHAEOLOGICAL ASSESSMENTS APPENDIX H PUBLIC AND AGENCY COMMUNICATIONS PAGE ii TMIG PROJECT NUMBER 14100 2020 07 15 - 14100 - RPT - MASTER PLAN REPORT - FINAL.DOCX TOWNSHIP OF KING WATER AND WASTEWATER MASTER PLAN PROJECT FILE REPORT FINAL REPORT • July 2020 FIGURES Figure 1-1 Study Area, within King Township ............................................... 1 Figure 1-2 Class EA Planning Flow Chart ..................................................... 4 Figure 2-1 Oak Ridges Moraine – King City .................................................. 7 Figure 2-2 Oak Ridges Moraine – Nobleton ................................................... 7 Figure 3-1 King City Land Use Budget ........................................................ 11 Figure 3-2 Nobleton Land Use Budget ......................................................... 12 Figure 3-3 Schomberg Land Use Budget .................................................... 13 Figure 3-4 King City Environmental Features ............................................. 14 Figure 3-5 Nobleton Environmental Features ............................................. 15 Figure 3-6 Schomberg Environmental Features ......................................... 16 Figure 3-7 Ansnorveldt Environmental Features ........................................ 17 Figure 4-1 Existing King City Water Distribution System .......................... 23 Figure 4-2 Existing Nobleton Water Distribution System .......................... 24 Figure 4-3 Existing Schomberg Water Distribution System ...................... 25 Figure 4-4 Existing Ansnorveldt Water Distribution System ..................... 26 Figure 4-5 Potential Ansnorveldt Water Servicing Constraints ................. 34 Figure 5-1 King City Collection System ....................................................... 36 Figure 5-2 Nobleton Collection System ....................................................... 38 Figure 5-3 Schomberg Collection System ................................................... 39 Figure 5-4 Potential King City Wastewater Servicing Constraints ............ 42 Figure 5-5 Potential Nobleton Wastewater Servicing Constraints ............ 43 Figure 5-6 Potential Schomberg Servicing Constraints ............................. 44 Figure 8-1 Recommended King City Water Projects .................................. 54 Figure 8-2 Recommended Nobleton Water Projects .................................. 55 Figure 8-3 Recommended Schomberg Water Projects .............................. 56 Figure 8-4 Recommended King City Wastewater Projects ........................ 60 Figure 8-5 Recommended Nobleton Wastewater Projects ........................ 61 Figure 8-6 Recommended Schomberg Wastewater Projects .................... 62 TMIG PROJECT NUMBER 14100 PAGE iii 2020 07 15 - 14100 - RPT - MASTER PLAN REPORT - FINAL.DOCX WATER AND WASTEWATER MASTER PLAN TOWNSHIP OF KING PROJECT FILE REPORT FINAL REPORT • July 2020 TABLES Table 1-1 Key Project Team Members .......................................................... 3 Table 3-1 King Township Population Projections ..................................... 10 Table 4-1 Water Design Criteria .................................................................. 22 Table 4-2 Typical Fire Flows ....................................................................... 27 Table 5-1 King City SPS Information .......................................................... 35 Table 5-2 Nobleton SPS Information .......................................................... 37 Table 5-3 Schomberg SPS Information ...................................................... 37 Table 5-4 Wastewater Design Criteria ........................................................ 40 Table 5-5 2016 Wastewater Flow Generation, by Community .................. 40 Table 7-1 Water and Wastewater