Internal Audit Services for Drinking Water Quality Management System

The City of Vaughan is soliciting bids for internal audit services for its Drinking Water Quality Management System (QMS) and Operational Plan to ensure compliance with the Provincial Drinking Water Quality Management Standard (DWQMS) and the Safe Drinking Water Act, 2002. The selected contractor will be required to conduct two internal audits per calendar year, with completions due by the end of Quarter 2 and Quarter 4 respectively. Each audit must provide a full assessment of all twenty-one elements of the DWQMS, with final reports delivered in PDF format within thirty days of completing audit interviews. The contract is a lump sum agreement with a firm term running from May 1, 2027, to April 30, 2029. Qualified bidders must provide proof of auditor certification through ISO 9001, ISO 14001, or Walkerton Clean Water Centre Internal Auditor training. Evaluation will be based on the information provided in the bid, reference feedback, and third-party assessments of the bidder's reputation, financial stability, and technical proficiency; the City reserves the right to award the contract to the most responsive bidder rather than the lowest. Submissions must be made exclusively online by October 14, 2026. Successful awardees must provide digitally executed contract security, a certificate of insurance, and a WSIB Certificate of Clearance. Payment terms are net thirty days upon receipt of a satisfactory invoice.