VILLAGE OF LIMOGES Potable Water and Wastewater Master Plan Prepared for Nation Municipality 958 Route 500 West Casselman Ontario K0A 1M0 Submitted to: Golder Associates Ltd. 32 Steacie Drive Kanata, Ontario K2K 2A9 Prepared by: 1223 Michael Street, Suite 100 Ottawa, Ontario K1J 7T2 EO2362TOA January 2013 Village of Limoges NATION MUNICIPALITY Potable Water and Wastewater Master Plan January 2013 TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................................ 1 1.1 Master Planning Process .......................................................................... 1 1.1.1 Objectives .................................................................................. 2 2.0 PROJECT NEED AND JUSTIFICATION ............................................................ 3 2.1 Population and Land Use .......................................................................... 3 2.1.1 Existing Development Village of Limoges ......................................... 3 2.1.2 Future Development Village of Limoges ........................................... 3 2.1.3 Urban Policy Area ........................................................................ 3 2.1.4 Trade and Industry Policy Area ...................................................... 7 2.2 Potable Water and Wastewater Capacity Review .......................................... 9 2.2.1 Potable Water Capacity ................................................................. 9 2.2.2 Wastewater Capacity .................................................................... 9 2.3 Summary ............................................................................................ 10 3.0 EXISTING ENVIRONMENTAL CONDITIONS ................................................. 11 3.1 Study Area .......................................................................................... 11 3.2 Social Environment ............................................................................... 11 3.2.1 Legislative and Policy Context ...................................................... 12 3.2.1.1 Federal ......................................................................... 12 3.2.1.2 Provincial ...................................................................... 12 3.2.1.3 Municipal Policy .............................................................. 14 3.2.2 Existing Land Uses ..................................................................... 17 3.2.3 Archaeological Resources ............................................................ 18 3.2.3.1 Previous Archaeological Research ...................................... 19 3.2.3.2 Registered Archaeological Sites ........................................ 19 3.2.3.3 Archaeological Potential ................................................... 19 3.2.4 Areas of Potential Environmental Concern: .................................... 21 3.2.4.1 Waste Disposal Site Inventory .......................................... 21 3.3 Biological Environment .......................................................................... 23 3.3.1 Species at Risk .......................................................................... 23 3.3.2 Aquatic Habitat ......................................................................... 24 3.3.3 Provincially Significant Wetlands .................................................. 25 3.3.4 Significant Woodlands, Valleylands, and Significant Wildlife Habitat ... 25 3.4 Physical Environment ............................................................................ 25 3.4.1 Surficial Geology ....................................................................... 25 3.4.2 Bedrock Geology ....................................................................... 29 3.4.3 Hydrogeology ............................................................................ 29 3.4.3.1 Overburden Aquifers ....................................................... 29 3.4.3.2 Shallow Bedrock Aquifer .................................................. 29 3.4.3.3 Deep Bedrock Aquifer ...................................................... 30 3.4.3.4 Area Communal Well Systems .......................................... 30 3.5 Technical ............................................................................................. 32 3.5.1 Limoges Potable Water System .................................................... 32 3.5.1.1 Water Supply ................................................................. 32 3.5.1.2 Water Treatment ............................................................ 32 3.5.1.3 Water Distribution & Storage ............................................ 32 3.5.2 Limoges Wastewater System ....................................................... 35 3.5.2.1 Wastewater Collection ..................................................... 35 3.5.2.2 Wastewater Treatment .................................................... 35 3.5.2.3 Assimilative Capacity Study of the Castor River ................... 38 Village of Limoges NATION MUNICIPALITY Potable Water and Wastewater Master Plan January 2013 4.0 ALTERNATIVE SOLUTIONS ......................................................................... 41 4.1 Water Supply ....................................................................................... 41 4.1.1 Description of Alternatives .......................................................... 41 4.1.2 Evaluation of Alternatives ........................................................... 41 4.1.3 Preferred Water Supply Alternatives Carried Forward ...................... 43 4.1.3.1 Groundwater Source Alternative ....................................... 43 4.1.3.2 Piped Water Alternative ................................................... 44 4.2 Wastewater System .............................................................................. 44 4.2.1 Description of Alternative Solutions .............................................. 44 4.2.2 Evaluation of Alternatives ........................................................... 45 4.2.3 Preferred Wastewater Alternatives Carried Forward ........................ 47 4.2.3.1 New Retention Ponds Alternative ...................................... 47 4.2.3.2 Mechanical Treatment Plant Alternative .............................. 48 5.0 UPDATED EXISTING CONDITIONS .............................................................. 49 5.1 Assimilative Capacity ............................................................................. 49 5.2 Hydrogeological Investigation ................................................................. 49 5.3 Source Water Protection ........................................................................ 51 5.3.1 Municipal Wells .......................................................................... 51 5.3.2 Surface Water ........................................................................... 55 6.0 ALTERNATIVE DESIGN CONCEPTS .............................................................. 56 6.1 Water Supply Alternative Concepts .......................................................... 56 6.1.1 Evaluation of Alternative Concepts ............................................... 57 6.2 Water Distribution and Storage Alternatives ............................................. 63 6.2.1 Evaluation of Alternative Concepts ............................................... 65 6.3 Wastewater Collection Alternatives .......................................................... 67 6.3.1 Evaluation of Wastewater Collection Alternative Concepts ................ 69 6.4 Wastewater Treatment alternatives ......................................................... 72 6.4.1 Evaluation of Alternative Concepts ............................................... 73 7.0 PREFERRED ALTERNATIVES ....................................................................... 77 7.1 Potable Water ...................................................................................... 77 7.1.1 Impacts and Mitigation – Water System ........................................ 81 7.1.1.1 Best Management Practices (BMPs) ................................... 81 7.1.1.2 Site Specific Mitigation Measures ...................................... 83 7.1.2 Impact Assessment – Water System ............................................. 84 7.2 Preferred Wastewater System................................................................. 89 7.2.1 Wastewater Collection System ..................................................... 89 7.2.2 Wastewater Treatment System .................................................... 91 7.2.3 Mechanical Treatment Plant Feasibility Study ................................. 98 7.2.4 Impacts and Mitigation – Wastewater System ................................ 99 7.2.4.1 Best Management Practices (BMPs) ................................... 99 7.2.4.2 Site Specific Mitigation Measures ..................................... 101 7.3 Impact Assessment – Wastewater System ............................................... 103 8.0 CONSULTATION ........................................................................................ 108 8.1 Notice of Commencement ..................................................................... 108 8.2 Public Meeting #1 ................................................................................ 108 8.3 Public Meeting #2 ................................................................................ 109 8.4 Stakeholder Consultation ...................................................................... 110 Village of Limoges