Assessment Report

Rideau Valley Source Protection Area

EXECUTIVE SUMMARY

Cover Page
Acknowledgements
Executive Summary
Preface
Glossary


CHAPTERS

Chapter 1: Introduction
Chapter 2: The Mississippi-Rideau Source Protection Region
Chapter 3: Water Budget
Chapter 4: Drinking Water Quality Threats and Issues Approach
Chapter 5: Groundwater Sources
Chapter 6: Surface Water Sources
Chapter 7: Climate Change
Chapter 8: Data Gaps and Future Work
Chapter 9: Findings and Considerations


TABLES

Chapter 2 Tables
Chapter 3 Tables
Chapter 4 Tables
Chapter 5 Tables
Chapter 6 Tables
Chapter 7 Tables
Chapter 9 Tables


FIGURES

Chapter 2

Figure 2-1: Mississippi-Rideau Source Protection Region
Figure 2-2: Source Protection Areas and Regions in Eastern Ontario
Figure 2-3: Ottawa St. Lawrence Lowland Basin
Figure 2-4: Mississippi-Rideau Source Protection Region - Bedrock Geology
Figure 2-5: Regional Geologic Cross-Sections (A, B, C)
Figure 2-6: Mississippi-Rideau Source Protection Region - Overburden Thickness
Figure 2-7: Mississippi-Rideau Source Protection Region - Ground Surface Topography
Figure 2-8: Mississippi-Rideau Source Protection Region - Physiographic Regions
Figure 2-9: Mississippi-Rideau Source Protection Region - Land Cover
Figure 2-10: Mississippi-Rideau Source Protection Region - Wetlands
Figure 2-11: Mississippi-Rideau Source Protection Region - Aquatic Invertebrates Monitoring Locations
Figure 2-12: Mississippi-Rideau Source Protection Region - Surface Water Quality Monitoring Locations
Figure 2-13: Mississippi-Rideau Source Protection Region - Surface Water Quality, Chloride - Average Concentration
Figure 2-14: Mississippi-Rideau Source Protection Region - Surface Water Quality, TKN - Average Concentration
Figure 2-15: Mississippi-Rideau Source Protection Region - Surface Water Quality, Total Phosphorous - Average Concentration
Figure 2-16: Mississippi-Rideau Source Protection Region - Groundwater Quality - Ammonia Concentrations
Figure 2-17: Mississippi-Rideau Source Protection Region - Groundwater Quality - Chloride Concentrations
Figure 2-18: Mississippi-Rideau Source Protection Region - Groundwater Quality - Nitrate Concentrations
Figure 2-19: Mississippi-Rideau Source Protection Region - Settlement Areas
Figure 2-20: Mississippi-Rideau Source Protection Region - Population Distribution
Figure 2-21: Mississippi-Rideau Source Protection Region - Population Density
Figure 2-22: Mississippi-Rideau Source Protection Region - Municipal Drinking Water Supply Systems
Figure 2-23: Northern Mississippi-Rideau Source Protection Region - Water Service Areas
Figure 2-24: Southern Mississippi-Rideau Source Protection Region - Water Service Areas
Figure 2-25: Mississippi-Rideau Source Protection Region - Communal and Designated Facility Well Locations
Figure 2-26: Ottawa River Watershed and the Mississippi-Rideau Source Protection Region

Chapter 3

Figure 3-1: Mississippi-Rideau Source Protection Region - Watersheds and Subwatersheds
Figure 3-2: Mississippi-Rideau Source Protection Region - Average Annual Precipitation
Figure 3-3: Mississippi-Rideau Source Protection Region - Average Annual Temperature
Figure 3-4: Mississippi-Rideau Source Protection Region - Provincial Land Cover
Figure 3-5: Mississippi-Rideau Source Protection Region - Surficial Geology
Figure 3-6: Mississippi-Rideau Source Protection Region - Ground Surface Topography
Figure 3-7: Mississippi-Rideau Source Protection Region - Surface Water Control Structures and Flow Gauges
Figure 3-8: Mississippi-Rideau Source Protection Region - Overburden Thickness
Figure 3-9: Mississippi-Rideau Source Protection Region - Bedrock Geology
Figure 3-10: Mississippi-Rideau Source Protection Region - Water Supply Aquifer
Figure 3-11: Mississippi-Rideau Source Protection Region - Potential Groundwater Recharge/Discharge Areas
Figure 3-12: Mississippi-Rideau Source Protection Region - Annual Shallow Groundwater Elevations
Figure 3-13: Mississippi-Rideau Source Protection Region - Annual Deep Groundwater Elevations
Figure 3-14: Mississippi-Rideau Source Protection Region - Tier 1 Subwatersheds
Figure 3-15: Mississippi-Rideau Source Protection Region - Tier 1 Subwatersheds Stress Levels for Groundwater
Figure 3-16: Mississippi-Rideau Source Protection Region - Tier 1 Subwatersheds Stress Levels for Surface Water
Figure 3-17: Mississippi-Rideau Source Protection Region - Tier 1 Subwatersheds Moderate Stresses

Chapter 5

Figure 5-1a: Mississippi-Rideau Source Protection Region - MOE Intrinsic Susceptibility Index for Individual Wells (1st Aquifer)
Figure 5-1b: Mississippi-Rideau Source Protection Region - Generalized Overburden Geology
Figure 5-1c: Mississippi-Rideau Source Protection Region - Aquifer Vulnerability (1st Aquifer)
Figure 5-1d: Mississippi-Rideau Source Protection Region - Highly Vulnerable Aquifers (HVAs)
Figure 5-1e: Mississippi-Rideau Source Protection Region - HVA Vulnerability Scoring
Figure 5-1f: Mississippi-Rideau Source Protection Region - HVA Impervious Surfaces
Figure 5-2a: Mississippi-Rideau Source Protection Region -Non-Municipal Drinking Water Issues
Figure 5-2b: Mississippi-Rideau Source Protection Region -Non-Municipal Drinking Water Issue Contributing Areas
Figure 5-3a: Mississippi-Rideau Source Protection Region - Preliminary Significant Groundwater Recharge Areas (SGRA)
Figure 5-3b: Mississippi-Rideau Source Protection Region - Significant Groundwater Recharge Areas (SGRA) > 25 hectares
Figure 5-3c: Mississippi-Rideau Source Protection Region - Final Significant Groundwater Recharge Areas (SGRA)
Figure 5-3d: Mississippi-Rideau Source Protection Region - SGRA Vulnerability Scoring
Figure 5-3e: Mississippi-Rideau Source Protection Region - SGRA Impervious Surfaces
Figure 5-4: Theoretical Aquifer Cross-Section
Figure 5-5a: Location of Kemptville Municipal Groundwater Supply Wells
Figure 5-5b: Kemptville Conceptual Hydrogeological Cross-Section
Figure 5-5c: Kemptville Shallow Wellhead Protection Area
Figure 5-5d: Kemptville Deep Wellhead Protection Area
Figure 5-5e: Kemptville Shallow Wellhead Protection Area - Uncertainty
Figure 5-5f: Kemptville Deep Wellhead Protection Area - Uncertainty
Figure 5-5g: Kemptville Shallow Wellhead Protection Area - Vulnerability
Figure 5-5h: Kemptville Deep Wellhead Protection Area - Vulnerability
Figure 5-5i: Kemptville Shallow Wellhead Protection Area - Vulnerability Scoring
Figure 5-5j: Kemptville Deep Wellhead Protection Area - Vulnerability Scoring
Figure 5-5k: Kemptville Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring
Figure 5-5l: Kemptville Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring Close Up
Figure 5-5m: Kemptville Shallow Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-5n: Kemptville Deep Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-5o: Kemptville Combined (Shallow/Deep) Wellhead Protection Area - Impervious Surfaces
Figure 5-5p: Kemptville Combined (Shallow/Deep) Wellhead Protection Area - Areas of Potential Significant Threats
Figure 5-6a: Location of Merrickville Municipal Groundwater Supply Wells
Figure 5-6b: Merrickville Conceptual Hydrogeological Cross-Section
Figure 5-6c: Merrickville Shallow Wellhead Protection Area
Figure 5-6d: Merrickville Deep Wellhead Protection Area
Figure 5-6e: Merrickville Shallow Wellhead Protection Area - Uncertainty
Figure 5-6f: Merrickville Deep Wellhead Protection Area - Uncertainty
Figure 5-6g: Merrickville Shallow Wellhead Protection Area - Vulnerability
Figure 5-6h: Merrickville Deep Wellhead Protection Area - Vulnerability
Figure 5-6i: Merrickville Shallow Wellhead Protection Area - Vulnerability Scoring
Figure 5-6j: Merrickville Deep Wellhead Protection Area - Vulnerability Scoring
Figure 5-6k: Merrickville Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring
Figure 5-6l: Merrickville Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring Close Up
Figure 5-6m: Merrickville Shallow Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-6n: Merrickville Deep Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-6o: Merrickville Combined (Shallow/Deep) Wellhead Protection Area - Impervious Surfaces
Figure 5-6p: Merrickville Combined (Shallow/Deep) Wellhead Protection Area - Areas of Potential Significant Threats
Figure 5-7a: Location of Munster Municipal Groundwater Supply Wells
Figure 5-7b: Munster Conceptual Hydrogeological Cross-Section
Figure 5-7c: Munster Shallow Wellhead Protection Area
Figure 5-7d: Munster Deep Wellhead Protection Area
Figure 5-7e: Munster Shallow Wellhead Protection Area - Uncertainty
Figure 5-7f: Munster Deep Wellhead Protection Area - Uncertainty
Figure 5-7g: Munster Shallow Wellhead Protection Area - Vulnerability
Figure 5-7h: Munster Deep Wellhead Protection Area - Vulnerability
Figure 5-7i: Munster Shallow Wellhead Protection Area - Vulnerability Scoring
Figure 5-7j: Munster Deep Wellhead Protection Area - Vulnerability Scoring
Figure 5-7k: Munster Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring
Figure 5-7l: Munster Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring Close Up
Figure 5-7m: Munster Shallow Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-7n: Munster Deep Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-7o: Munster Combined (Shallow/Deep) Wellhead Protection Area - Impervious Surfaces
Figure 5-7p: Munster Combined (Shallow/Deep) Wellhead Protection Area - Areas of Potential Significant Threats
Figure 5-8a: Location of Richmond King's Park Municipal Groundwater Supply Wells
Figure 5-8b: Richmond King's Park Conceptual Hydrogeological Cross-Section
Figure 5-8c: Richmond King's Park Shallow Wellhead Protection Area
Figure 5-8d: Richmond King's Park Deep Wellhead Protection Area
Figure 5-8e: Richmond King's Park Shallow Wellhead Protection Area - Uncertainty
Figure 5-8f: Richmond King's Park Deep Wellhead Protection Area - Uncertainty
Figure 5-8g: Richmond King's Park Shallow Wellhead Protection Area - Vulnerability
Figure 5-8h: Richmond King's Park Deep Wellhead Protection Area - Vulnerability
Figure 5-8i: Richmond King's Park Shallow Wellhead Protection Area - Vulnerability Scoring
Figure 5-8j: Richmond King's Park Deep Wellhead Protection Area - Vulnerability Scoring
Figure 5-8k: Richmond King's Park Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring
Figure 5-8l: Richmond King's Park Combined (Shallow/Deep) Wellhead Protection Area - Vulnerability Scoring Close Up
Figure 5-8m: Richmond King's Park Shallow Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-8n: Richmond King's Park Deep Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-8o: Richmond King's Park Combined (Shallow/Deep) Wellhead Protection Area - Impervious Surfaces
Figure 5-8p: Richmond King's Park Combined (Shallow/Deep) Wellhead Protection Area - Areas of Potential Significant Threats
Figure 5-9a: Location of Westport Municipal Groundwater Supply Wells
Figure 5-9b: Westport Conceptual Hydrogeological Cross-Section
Figure 5-9c: Westport Wellhead Protection Area
Figure 5-9d: Westport Wellhead Protection Area - Uncertainty
Figure 5-9e: Westport Wellhead Protection Area - Vulnerability
Figure 5-9f: Westport Wellhead Protection Area - Vulnerability Scoring
Figure 5-9g: Westport Wellhead Protection Area - Vulnerability Scoring Close Up
Figure 5-9h: Westport Wellhead Protection Area - Managed Lands and Livestock Density
Figure 5-9i: Westport Wellhead Protection Area - Impervious Surfaces
Figure 5-9j: Westport Wellhead Protection Area - Areas of Potential Significant Threats
Figure 5-10: Mississippi-Rideau Source Protection Region - All Wellhead Protection Areas
Figure 5-11: Mississippi-Rideau Source Protection Region - All Wellhead Protection Areas with Vulnerability Scores of 8 - 10

Chapter 6

Figure 6-1a: Location of Perth Municipal Surface Water Supply Intakes
Figure 6-1b: Perth Intake and Upstream Areas
Figure 6-1c: Perth IPZ-1 and IPZ-2 Components
Figure 6-1d: Perth IPZ-1 and IPZ-2 Delineation
Figure 6-1e: Perth IPZ-3 Delineation
Figure 6-1f: Perth Vulnerability Scoring - Closest to Intake
Figure 6-1g: Perth Vulnerability Scoring - Full Extent
Figure 6-1h: Perth Intake Protection Zones - Managed Lands and Livestock Density
Figure 6-1i: Perth Intake Protection Zones - Impervious Surfaces
Figure 6-1j: Perth Intake Protection Zones - Areas of Potential Significant Threats
Figure 6-2a: Location of Smiths Falls Municipal Surface Water Supply Intakes
Figure 6-2b: Smiths Falls Intakes and Upstream Areas
Figure 6-2c: Smiths Falls IPZ-1 and IPZ-2 Components
Figure 6-2d: Smiths Falls IPZ-1 and IPZ-2 Delineation
Figure 6-2e: Smiths Falls IPZ-3 Delineation
Figure 6-2f: Smiths Falls Vulnerability Scoring - Closest to Intake
Figure 6-2g: Smiths Falls Vulnerability Scoring - Full Extent
Figure 6-2h: Smiths Falls Intake Protection Zones - Managed Lands and Livestock Density
Figure 6-2i: Smiths Falls Intake Protection Zones - Impervious Surfaces
Figure 6-2j: Smiths Falls Intake Protection Zones - Areas of Potential Significant Threats
Figure 6-3a: Location of Ottawa Municipal Surface Water Supply Intake
Figure 6-3b: Ottawa Intakes and Upstream Areas
Figure 6-3c: Ottawa (Britannia) IPZ-1 and IPZ-2 Components
Figure 6-3d: Ottawa (Britannia) IPZ-1 and IPZ-2 Delineation
Figure 6-3e: Ottawa (Britannia) IPZ-1 and IPZ-2 Delineation Including Quebec
Figure 6-3f: Ottawa (Britannia) IPZ-3 Delineation - Closest to Intake
Figure 6-3g: Ottawa (Britannia) IPZ-3 Delineation - Full Extent
Figure 6-3h: Location of AECL Chalk River Laboratory
Figure 6-3i: Ottawa (Britannia) Vulnerability Scoring - Closest to Intake
Figure 6-3j: Ottawa (Britannia) Vulnerability Scoring - Full Extent
Figure 6-3k: Ottawa (Britannia) Intake Protection Zones - Managed Lands and Livestock Density
Figure 6-3l: Ottawa (Britannia) Intake Protection Zones - Impervious Surfaces
Figure 6-3m: Ottawa (Britannia) Intake Protection Zones - Areas of Potential Significant Threats
Figure 6-4a: Ottawa (Lemieux Island) IPZ-1 and IPZ-2 Components
Figure 6-4b: Ottawa (Lemieux Island) IPZ-1 and IPZ-2 Delineation
Figure 6-4c: Ottawa (Lemieux Island) IPZ-1 and IPZ-2 Delineation Including Quebec
Figure 6-4d: Ottawa (Lemieux Island) IPZ-3 Delineation - Closest to Inake
Figure 6-4e: Ottawa (Lemieux Island) IPZ-3 Delineation - Full Extent
Figure 6-4f: Location of AECL Chalk River Laboratory
Figure 6-4g: Ottawa (Lemieux Island) Vulnerability Scoring - Closest to Intake
Figure 6-4h: Ottawa (Lemieux Island) Vulnerability Scoring - Full Extent
Figure 6-4i: Ottawa (Lemieux Island) Intake Protection Zones - Managed Lands and Livestock Density
Figure 6-4j: Ottawa (Lemieux Island) Intake Protection Zones - Impervious Surfaces
Figure 6-4k: Ottawa (Lemieux Island) Intake Protection Zones - Areas of Potential Significant Threats
Figure 6-5: Mississippi-Rideau Source Protection Region - All Intake Protection Zones
Figure 6-6: Mississippi-Rideau Source Protection Region - All Intake Protection Zones with Vulnerability Scores of 8 - 10

Chapter 9

Figure 9-1: Mississippi-Rideau Source Protection Region - Highly Vulnerable Aquifers
Figure 9-2: Mississippi-Rideau Source Protection Region - Significant Groundwater Recharge Areas
Figure 9-3: Mississippi-Rideau Source Protection Region - All Wellhead Protection Areas
Figure 9-4: Mississippi-Rideau Source Protection Region - All Intake Protection Zones
Figure 9-5: Mississippi-Rideau Source Protection Region - All Wellhead Protection Areas and Intake Protection Zones
Figure 9-6: Mississippi-Rideau Source Protection Region - All Vulnerable Areas with Scores of 8 - 10
Figure 9-7: Source Water Protection Areas and Regions in Eastern Ontario


APPENDICES

Appendix A-1
Chapter 1 Appendix
Chapter 2 Appendices
Chapter 3 Appendices
Chapter 5 Appendices
Chapter 6 Appendices

Background technical studies are available on CD upon request

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Made possible through the support of the Government of Ontario

Mississippi-Rideau Source Protection Region
Rideau Valley Conservation Authority Office
3889 Rideau Valley Drive
P.O. Box 599
Manotick, ON K4M 1A5