United Counties of Leeds and Grenville Groundwater Management Study

The United Counties of Leeds and Grenville received $195,932 from the MOE for its PWPF study, or roughly 79 percent of the total cost of the study ($246,921). The PWPF study commenced in November 1999, and was completed in June 2001. Major study activities included the following: identification of groundwater recharge and discharge areas; mapping of aquifers vulnerable to contamination; modeling groundwater flow; developing preliminary wellhead protection areas for two urban areas (the former Hamlet of Lansdowne and the Village of Westport); inventorying contaminant sources; inventorying groundwater usage; and reviewing institutional arrangements for groundwater management.

For more information on this study please contact the county, municipality or township at (613) 342-3840.

Executive Summary

View document: [PDF] (26 MB)

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Map of United Counties of Leeds and Grenville County Study Area (grey)

Selected Maps [PDF]:

• Figure 4.3: Bedrock Geology
• Figure 4.4: Thickness of Overburden
• Figure 4.5: Generalized Surficial Geology
• Figure 5.3: Groundwater Flow Patterns
• Figure 5.15: Water Well Depth Distribution Map
• Figure 5.24: Potential Areas of Significant Groundwater Recharge and Discharge (2 MB)
• Figure 5.25: Aquifer Vulnerability Index Map (2 MB)
• Figure 6.1: Water Well Density Map (2 MB)
• Figure 6.2: Locations of Permitted Water Takings >50,000 Litres/Day
• Figure 6.5: Westport Municipal Wellhead Protection Assessment: Numerical Method
• Figure 6.7: Lansdowne Municipal Wellhead Protection Assessment: Numerical Method

Application of Results and Future Direction [PDF]:
This summary outlines the study report recommendations and groundwater management initiatives that have been implemented to date or are under development in each PWPF study area.

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