Return Policy

To cancel an order you must call 416-231-2100. There is no guarantee that your order can be successfully cancelled.

Study guides purchased online through the OWWCO Bookstore may be eligible for return if the guides are:

  • In resalable condition;
  • are the current edition;
  • were not final sale at time of purchase; and
  • are returned within 10 days from shipping date.

To return materials:

Obtain an authorization in advance by calling 416-231-2100.  Reference your authorization and return item(s) to:

Ontario Water Wastewater Certification Office
302 The East Mall, Suite 600
Etobicoke, ON M9B 6C7

Items marked as Final Sale cannot be returned, refunded or exchanged.

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