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Water and Wastewater

Private Well Abandonment Program

The Region of Peel's Private Well Abandonment Program (PDF 90KB) decommissions old, unused private wells in Caledon, rural Brampton and Mississauga.

The program’s purpose is to protect Peel’s groundwater sources. Old and unused wells threaten groundwater sources by allowing pollutants such as chemicals and bacteria to contaminate groundwater, a drinking water source for most Region of Peel residents.

About the program

  • It is fully funded by the Region of Peel
  • It is limited in time and funding and is on a first come, first served basis
  • Requests are taken throughout the year; however, decommissioning work is typically completed from March to November
  • The program is administered by the Water Quality and Compliance group
  • Well decommissioning is carried out by a qualified and licensed well contractor
  • Wells are decommissioned in accordance with the Ontario Wells Regulation 903 under the Ontario Water Resources Act, 1990, which govern the well construction, maintenance and decommissioning of wells
  • Each request is evaluated prior to the start of any work

Program eligibility

  • You have a drilled or dug well on your property that is old and no longer used
  • Your well or wells are located within existing private residential or farming properties
  • The well is located in Caledon, rural Brampton or Mississauga

A Disused Well

Program exclusions

The Program is not intended for:

  • Land owned or acquired by a contracting company looking to build or develop on the existing property (Land Developers)
  • Unused wells on properties that are not deemed private residential or farming properties
    • Federal, provincial and municipal owned government lands are excluded from program eligibility
  • Sites where there are access issues and sites with:
    • Well over drilling/multiple nested wells
    • Flowing wells
    • Wells that are collapsed or require the removal of large quantity of debris
    • Wells near structures that may be affected by the decommissioning work
    • Wells with strong or visible evidence of contamination
    • Wells near landscaping that would require extensive restoration work
    • Any existing pipes within the well structure must be removed or capped off prior to the commencement of decommissioning work
    • Any existing electrical wires running through the well structure must be removed prior to the commencement of decommissioning work
  • Any other work beyond the standard requirements of a typical well abandonment process

The importance of decommissioning an unused well

Unused wells and improperly sealed or maintained drinking water wells can potentially provide a direct link between surface pollutants and groundwater. Identifying and decommissioning these types of wells will reduce the risk of contamination to drinking water sources.

For more information on the importance of decommissioning an unused well, please visit the Region of Peel’s Source Water Protection web page.

Frequently asked questions

  • Is there a cost to participate in the Well Abandonment Program?

    No, the reviewed and approved decommissioning work will be funded by the Region.
  • Do I have to sign anything to begin the decommissioning work?

    Yes, you are required to sign a conjoint Consent/Release Form before the decommissioning work takes place.
  • How long will it take to get my well decommissioned?

    Generally decommissioning work takes between two to four weeks. Work scheduling depends on the number of participants enrolled in the program.
  • How long does the decommissioning work take?

    Decommissioning work is typically done within one standard working day (8 a.m. - 5 p.m.) depending on the complexity and number of wells being decommissioned on the property.

Contact information

For questions and more information regarding the Private Well Abandonment Program, please call 905-791-7800, ext. 4685 or email us.

Well Decommissioning Completed

Revised: Thursday April 07 2016


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