This is Day 8 of the incident.

The Incident Management Team (IMT) has completed its coordination efforts on this matter effective today. Transportation and Infrastructure Planning will lead the investigation going forward.

Incident Name
Water Infiltration Issue – July 14, 2017.

Current Situation


Rain is forecasted early tomorrow morning with a chance of thunderstorms until midday. Pumps will be set up in advance. Rain is expected to continue sporadically until Monday, July 24, 2017. Works Operations and Maintenance will continue to monitor conditions.

Impacted Residential Properties

  • 24 residential properties affected in Wards 9 and 10.
    • 23 properties in Ward 10 located on Black Walnut Trail
    • 1 property in Ward 9


  • The Foundation Drain Collectors (FDC) appeared to flow normally during yesterday’s rain event. The pumps were set up but were not required to be turned on. Manholes and catch basins in the district were checked and cleared, as needed, in anticipation of the rain.
  • The Region of Peel has surveyed 18 homes affected by water infiltration and has left three surveys behind for follow up. An operator will be onsite tomorrow to try and make contact with residents who have not been home. A summary of responses to be shared with staff next week.
  • Councillor McFadden’s office will contact affected residents to determine if additional waste pick up is required and will coordinate with the Region of Peel directly.
  • Data collection is ongoing. Our consultant will analyze the data and prepare a memo to staff summarizing their observations, targeting the end of next week.
  • Flushing of the FDC along Black Walnut Trail will continue today.
  • The closed-circuit television (CCTV) inspection will continue today along the trunk (FDC) sewer system (as it continues south, parallel to the Lisgar Meadow Brook Trail) towards Ninth Line. Although no deposits have been found in this section, it will be scheduled to be flushed. It is expected that the CCTV inspections will take three or four more days to complete up to Ninth Line, weather permitting.
  • Leakage testing of storm sewer lining will be coordinated for next week, pending weather conditions.
  • The Region of Peel is electing to install an additional three monitors in the sanitary system in this area.