Ontario Water & Wastewater tenders — October 2026

9 opportunities closing this month

Deadlines this month

Closes	Title	Buyer	Value
2026-10-01	T-615-2026 - Provision of waste bins and for the haulage, and disposal of wastewater screenings and grit from the wastewater treatment facilities in the Durham Region	Region of Durham	—
2026-10-01	T-229-26 - Chemicals and Supplies for Water and Wastewater Testing On-Site at Treatment Facilities $	Region of Halton	—
2026-10-02	Request for Proposals for the Provision of Services for the Haulage and Beneficial Use of Biosolids Generated at Ashbridges Bay Wastewater Treatment Plant	Toronto Water	—
2026-10-07	RFT-2026-002 - Lake Huron Primary Water Supply System - Arva Valve Chamber Safety Railings	Huron Erie Water	—
2026-10-08	PQ2026-20 - Prequalification for the Kitchener Wastewater Treatment Plant Administration Building	Region of Waterloo	—
2026-10-13	Request for Tenders for Full Length Trenchless Rehabilitation of Existing Circular and Egg-Shaped Brick Sewer and Related Works at various locations in the City of Toronto Ward 4 and 9	Toronto Water	—
2026-10-14	Amherstburg Water Treatment Plant Monorail Replacement	Government of Ontario	—
2026-10-16	WS-2687A-26 - Request for Tender for the Premier Gateway Employment Area Water/Wastewater Servicing, in the Town of Halton Hills $	Region of Halton	—
2026-10-26	Moose Creek Wastewater Treatment Lagoon Upgrades	Government of Ontario	—