What utility does each locate colour represent?

Each utility has a field marker on-site colour code to help with identification.

Utility field marker on-site colour codes:

Utility Owner Locate Colour
Electric Hydro One, Synergy North Red
Gas TransCanada Transmission, Union Gas Yellow
Telecom Bell, Tbaytel, Shaw Orange
Water City of Thunder Bay Blue
Sewer City of Thunder Bay Green (Sewers)
  Temporary Survey Marks Pink
  Proposed Evacuation Limit White


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Updated on Wed, 24 Feb 2021 by Sean Otway

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