Tenders by category and region

Water & Sanitation tenders in Ontario

21 open tenders

Who buys water & sanitation in Ontario

Water & Sanitation
Supply and Delivery of Polyaluminum Chloride for Municipal Drinking Water – Toronto Water
about 1 month ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 02 Nov 2026
Water & Sanitation
Manitouwadge Well Rehabilitation and Pump Installation – OCWA
25 days ago
Ontario Clean Water Agency — CA-ONTARIO-OTP
Ontario
Closing: 03 Nov 2026
Water & Sanitation
Val Côté Lagoon Sludge Removal – Ontario Clean Water Agency
18 days ago
Ontario Clean Water Agency — CA-ONTARIO-OTP
Ontario
Closing: 05 Nov 2026
Panel
Water & Sanitation
Supply, Delivery and Off-loading of Aluminum Sulphate for DND Trenton (3-Year Regional Standing Offer)
12 days ago
Public Services and Procurement Canada — CA-CANADABUYS
Ontario
Closing: 05 Nov 2026
Water & Sanitation
R.C. Harris Water Treatment Plant Flat Roof Replacement and Solar PV Design – City of Toronto
about 1 month ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 06 Nov 2026
Water & Sanitation
Condition Assessment Program for Previously Abandoned Sewer and Maintenance Hole Inspections – Toronto Water
3 months ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 06 Nov 2026
Water & Sanitation
City of Toronto Water Treatment Services for Seniors Services & Long-Term Care — 1-Year Contract with Up to 4-Year Extension
11 days ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 06 Nov 2026
Water & Sanitation
Almonte Well 7 Pump Replacement — Submersible Pump Installation, Mississippi Mills ON
4 days ago
Ontario Clean Water Agency — CA-ONTARIO-OTP
Ontario
Closing: 09 Nov 2026
Water & Sanitation
Snow Removal and Grass Cutting Services for Prescott Russell Water Treatment Plants — Ontario Clean Water Agency
8 days ago
Ontario Clean Water Agency — CA-ONTARIO-OTP
Ontario
Closing: 09 Nov 2026
Panel
Water & Sanitation
Septic Pump-Out Services – Bruce Peninsula National Park (Standing Offer Jan 1–Dec 31, 2027; optional extensions to 2031)
7 days ago
Parks Canada — CA-CANADABUYS
Ontario
Closing: 10 Nov 2026
Water & Sanitation
Sanitary and Storm Sewer Separation – Phase 4 at 1200 Montreal Road, Ottawa
25 days ago
National Research Council Canada — CA-CANADABUYS
Ontario
Closing: 10 Nov 2026
Water & Sanitation
Supply of Vertical Turbine Pumps for Geraldton and Nakina Water Treatment Plants – Ontario Clean Water Agency
13 days ago
Ontario Clean Water Agency — CA-ONTARIO-OTP
Ontario
Closing: 12 Nov 2026
Water & Sanitation
Third-Party Scheduling Services for Highland Creek Treatment Plant Northeast Project — 72-Month Contract
26 days ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 12 Nov 2026
Water & Sanitation
Supply, Delivery and Installation of up to Three Semi‑Automated Cleanup Systems for Organic Contaminants – Ontario Laboratory Services Branch
about 5 hours ago
Ontario Ministry of the Environment, Conservation and Parks — CA-ONTARIO-OTP
Ontario
Closing: 13 Nov 2026
Water & Sanitation
Professional Engineering Services for Surge Tanks and Building Rehabilitation at R.L. Clark Water Treatment Plant – Detail Design, Construction Support and Post-Construction
12 days ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 13 Nov 2026
Water & Sanitation
Full-Length Trenchless Rehabilitation of Large-Diameter Gravity Sewers (CIPP) — City of Toronto
4 days ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 13 Nov 2026
Water & Sanitation
Removal and Replacement of Trailer Sanitary Dumping Station – Arrowhead Provincial Park
7 days ago
Ontario Ministry of the Environment, Conservation and Parks — CA-ONTARIO-OTP
Ontario
Closing: 20 Nov 2026
Water & Sanitation
Replacement of Battery-Powered GPS Survey Kit for Parks Canada – Ontario Waterways
5 days ago
Public Services and Procurement Canada — CA-CANADABUYS
Ontario
Closing: 20 Nov 2026
Water & Sanitation
Operation and Maintenance of Groundwater Pump-and-Treat System — Peterborough, Ontario
about 5 hours ago
Ontario Ministry of the Environment, Conservation and Parks — CA-ONTARIO-OTP
Ontario
Closing: 27 Nov 2026
Water & Sanitation
Mimico Creek Phase 1 Professional Engineering Services – Sewer/Watermain Protection, Storm Sewer and Watercourse Restoration – City of Toronto
20 days ago
City of Toronto — CA-TORONTO
Toronto, Ontario
Closing: 02 Dec 2026
Panel
Water & Sanitation
Vendor of Record for Water Management Engineering Services – The Ministry
4 days ago
Ontario Ministry of Natural Resources — CA-ONTARIO-OTP
Ontario
Closing: 03 Dec 2026

Top water & sanitation suppliers by contract value in Ontario

See the full supplier ranking

Recently awarded water & sanitation contracts in Ontario

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