Water Supply Company – The GTA: Contact Us

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We proudly serve:

  • The Durham Region - Pickering, Ajax, Claremont, Brougham, Whitby, Oshawa, Scugog, Port Perry, Courtice, Bowmanville, Uxbridge, Sunderland
  • The York Region- Markham, Whitchurch-Stouffville, Richmond Hill, North York, Vaughan
  • Toronto
  • Scarborough