Ontario construction tenders

66 tenders in Water / Wastewater · refreshed every 120 min
All markets Water / Wastewater (66) Roads & Paving (118) Concrete & Structures (43) Bridges & Culverts (28)
TenderBuyerSourcePostedCloses
● T2026-180 - New Dundee WTP Reservoir - Phase II Inspection and Renewal (Under PQ2026-16) Region of Waterloo
Ontario
 bt_portal 2026-07-16 2026-08-19
● 2026-10 - Watermain Replacement and Road Reconstruction – County Road 35 (LaSalle Line) County of Lambton
Ontario
 bt_portal 2026-08-04 2026-08-20
● RFT-3609-26 - Bar Screen Waste Removal and Haulage Services at Various York Region Sites York Region
Ontario
 bt_portal 2026-07-24 2026-08-21
● RFQ-148-26 - Roof Replacement - Energy and Biosolids Buildings City of Peterborough
Ontario
 bt_portal 2026-07-31 2026-08-21
● 26-B08 - Supply and Delivery of Repair Parts for a Moyno 2000 Series Progressing Cavity Pump City of Cornwall
Ontario
 bt_portal 2026-08-14 2026-08-21
● 26-B07 - Supply and Delivery of a MSA Replacement Sensor and Filter City of Cornwall
Ontario
 bt_portal 2026-08-14 2026-08-21
● R26-260 - Design-Build for Pre-fabricated SCADA Office Municipality of Chatham-Kent
Ontario
 bt_portal 2026-07-31 2026-08-25
● 2026-499Q - Subsurface Utility Engineering (SUE) Investigation for 600mm Watermain on Mineola Road West, from Stavebank Road to Glenburnie Road, City of Mississauga, Project 13-1347G2 Region of Peel
Ontario
 bt_portal 2026-08-10 2026-08-25
● 2026-384PQ - Prequalification of General Contractors for the Humber Sewage Pumping Station
watchlist: Industra Construction Corp., ROMAG Contracting Ltd.
 Region of Peel
Ontario
 bt_portal 2026-07-06 2026-08-25
● RFTC-3838-26 - Watermain Rehabilitation on Kennedy Rd (South of Carlton Road) In the city of Markham York Region
Ontario
 bt_portal 2026-07-31 2026-08-26
● FIN2026-134PQ - Electrical Prequal Johnson's Beach Sewage Pumping Station Upgrade City of Barrie
Ontario
 bt_portal 2026-07-31 2026-08-26
● 26-Q41 - Supply and Delivery of Safety Equipment for WWTP City of Cornwall
Ontario
 bt_portal 2026-08-13 2026-08-26
● 26-Q39 - Supply and Delivery of Progressing Cavity 2000 Series Pump City of Cornwall
Ontario
 bt_portal 2026-07-31 2026-08-26
● 2026-093-CQ - Colborne Street - Access Road Construction and Watermain Relocation City of Kawartha Lakes
Ontario
 bt_portal 2026-08-07 2026-08-27
● RFT-2026-118 - Cathodic Protection of Watermain 2026 City of London
Ontario
 bt_portal 2026-07-29 2026-08-27
● FIN2026-133PQ - Contractor Prequal Johnson's Beach Sewage Pumping Station Upgrade
watchlist: Industra Construction Corp.
 City of Barrie
Ontario
 bt_portal 2026-07-30 2026-08-27
● 2026-RFP-121 - Baker Rd WWTP & Outfall EA Geotechnical Investigations Niagara Region
Ontario
 bt_portal 2026-07-31 2026-08-27
● T26-148 - Keele St Watermain Construction NMRP Servicing City of Vaughan
Ontario
 bt_portal 2026-08-06 2026-08-27
● RFPQ-3940-26 - Prequalification of General Contractors for Emergency Repairs to Water and Wastewater Infrastructure in York Region York Region
Ontario
 bt_portal 2026-08-04 2026-08-31
● RFT-26-023 - Landfill Leachate Hauling City of Owen Sound
Ontario
 bt_portal 2026-08-05 2026-08-31
● 2026-RFP-119 - Niagara Falls Water Treatment Plant Intake Contingency Planning Niagara Region
Ontario
 bt_portal 2026-08-04 2026-08-31
● 2026-081T - 150MM Watermain Replacement Works Along Salisbury Circle, City of Brampton, Project 25-1340D Region of Peel
Ontario
 bt_portal 2026-08-06 2026-09-01
● RFQ PW-ES-26-05 - Unidirectional Watermain Flushing Norfolk County
Ontario
 bt_portal 2026-08-14 2026-09-01
● 2026-T-129 - Medium Priority Instrumentation Calibrations Niagara Region
Ontario
 bt_portal 2026-08-06 2026-09-01
● R26-239 - Engineering Services for: Dufferin Ave Watermain Replacement, Community of Chatham Township Municipality of Chatham-Kent
Ontario
 bt_portal 2026-08-14 2026-09-02
● 2026-70 - Consulting Engineering Services - Raw Sewage Pumping Station Assessment City of Brantford
Ontario
 bt_portal 2026-08-12 2026-09-02
● T2026-202 - Nith River Wastewater Pumping Station Upgrades Region of Waterloo
Ontario
 bt_portal 2026-08-06 2026-09-03
● 2026-495T - Construction Services for Sanitary Sewers and Watermains on Coleraine Drive, Emil Kolb Parkway and King Street in the Town of Caledon, Projects 24-1190 and 24-2196 Region of Peel
Ontario
 bt_portal 2026-08-18 2026-09-08
● FIN2026-129Q - Sidewalk Infill Program - Edgehill Drive City of Barrie
Ontario
 bt_portal 2026-08-11 2026-09-08
● 2026-NRFT-117 - Spring Gardens Sanitary Pumping Station (SPS) and Forcemain (FM) Upgrade in the City of St. Catharines
watchlist: Industra Construction Corp., ROMAG Contracting Ltd.
 Niagara Region
Ontario
 bt_portal 2026-08-06 2026-09-08
● 2026-RFP-122 - Consulting Engineering Services for the Niagara Falls Watermain Replacement Study Niagara Region
Ontario
 bt_portal 2026-08-04 2026-09-08
● 26-PROC-0046 - CCTV INSPECTIONS AND CLEANING OF SANITARY SEWER AND STORM SEWER MAINS AND LATERALS Town of Aurora
Ontario
 bt_portal 2026-08-11 2026-09-09
● RFT # 2026-221-49-016 - Storm Sewer, Catchbasin and Culvert Flushing and Cleanout Services Town of Caledon
Ontario
 bt_portal 2026-08-13 2026-09-09
● T2026-211 - New Hamburg WWTP - Aeration Diffuser & Header Replacement Region of Waterloo
Ontario
 bt_portal 2026-07-30 2026-09-09
● 26-079 RFP - Sanitary and Storm Sewer Flow Monitoring Program City of Guelph
Ontario
 bt_portal 2026-08-17 2026-09-09
● 2026-056-CQ - Thornhill Reservoir and Lindsay WTP Upgrades City of Kawartha Lakes
Ontario
 bt_portal 2026-07-30 2026-09-10
● BWG26-418-SQ - Request for Supplier Qualifications - For John Fennel Reservoir Expansion
watchlist: Industra Construction Corp., ROMAG Contracting Ltd.
 Town of Bradford West Gwillimbury
Ontario
 bt_portal 2026-08-05 2026-09-10
● RFP 2026-16 PW - Consulting Engineering Services for the Detailed Engineering Design of the Winston Road Watermain Replacement Town of Grimsby
Ontario
 bt_portal 2026-08-07 2026-09-11
● 2026-207PQ - PREQUALIFICATION OF CONSTRUCTION MANAGEMENT SERVICES FOR STAGE 3 LIQUIDS AND BIOSOLIDS EXPANSION AT CLARKSON WATER RESOURCE RECOVERY FACILITY (WRRF)
watchlist: ROMAG Contracting Ltd.
 Region of Peel
Ontario
 bt_portal 2026-07-21 2026-09-14
● WS-2687A-26 - Request for Tender for the Premier Gateway Employment Area Water/Wastewater Servicing, in the Town of Halton Hills Halton Region
Ontario
 bt_portal 2026-08-18 2026-09-17
● 2026-005P - PRE-PURCHASE OF THERMAL HYDROLYSIS PROCESS EQUIPMENT FOR THE BIOSOLIDS EXPANSION OF CLARKSON WATER RESOURCE RECOVERY FACILITY, PROJECT 23-2952 Region of Peel
Ontario
 bt_portal 2026-08-07 2026-09-18
● C2026-36 - MANNHEIM RAW WATER TRANSMISSION MAIN CHAMBERS REPAIRS AND REPLACEMENTS GRAND RIVER TO THE MANNHEIM WATER TREATMENT PLANT Region of Waterloo
Ontario
 bt_portal 2026-08-14 2026-09-18
● 2025-184T - West Trunk Diversion Sanitary Trunk Sewer, City of Mississauga, Project 08-2205 & 19-2208 Region of Peel
Ontario
 bt_portal 2026-01-15 2026-09-23
● 2026-62 - Sewer and Water Repairs Standing Offer City of Brantford
Ontario
 bt_portal 2026-08-14 2026-09-23
● P-1348-26 - Provision of Engineering Services for Mechanical and Process Rehabilitation at the Oakville Water Treatment Plant Halton Region
Ontario
 bt_portal 2026-08-18 2026-09-24
● 2026-049T - CONSTRUCTION SERVICES FOR PROPOSED 750mm WATERMAIN ON DERRY ROAD EAST FROM DIXIE ROAD TO GOREWAY DRIVE, CITY OF MISSISSAUGA, PROJECT 23-1127 Region of Peel
Ontario
 bt_portal 2026-08-06 2026-09-30
● NPP-2026-02 - Notice of Planned Procurements - 2026 York Region
Ontario
 bt_portal 2026-01-28 2026-12-31
● NPP-2026-03 - Notice of Planned Procurements - 2026 York Region
Ontario
 bt_portal 2026-03-04 2026-12-31
● Design & Construction of the New Accommodations Buildings
*CNST
 Defence Construction Canada / Construction de Défense Canada
Ontario
 canadabuys 2026-08-18 2026-09-29
● Reconnection of Watermain Beaver Creek Institution
*CNST
 Correctional Service of Canada (CSC)
Ontario
 canadabuys 2026-08-04 2026-08-20
● South Campus Watermain Replacement
*CNST
 National Research Council of Canada (NRC)
Ontario
 canadabuys 2026-07-16 2026-08-25
● 2026-279P - Supply, Installation, Implementation and Support of Electronic Key Management System for Water and Wastewater Fleet Region of Peel
Ontario
 bt_portal 2026-07-10 2026-08-20
● WS-3446B-26 - Request for Tender for Watermain, Wastewater Main and Stormwater System Improvements in the Saville Crescent Area (Package 2) in the Town of Oakville Halton Region
Ontario
 bt_portal 2026-06-16 2026-08-20
● 2026-73 - Prequalification of Contractors for Rehabilitation of Primary Clarifiers
watchlist: ROMAG Contracting Ltd.
 City of Brantford
Ontario
 bt_portal 2026-07-21 2026-08-20
● 26-PROC-0048 - DESIGN OF WATERMAIN AND ROAD REHABILIATION ON SEGMENTS OF BROOKLAND AVENUE, COUSINS DRIVE AND DUNNING AVENUE Town of Aurora
Ontario
 bt_portal 2026-07-27 2026-08-21
● FIN2026-032T - Anne Street - New 3N Booster Pump Station & 2N Booster Pump Station Reconstruction
watchlist: Industra Construction Corp.
 City of Barrie
Ontario
 bt_portal 2026-04-30 2026-08-25
● ES-26-16 - Upper Middle Road Minor Reconstruction and Watermain Installation City of Burlington
Ontario
 bt_portal 2026-07-22 2026-08-25
● S-4404A-26 - Wastewater Main Replacement in Easement Along West Aldershot Creek, in the City of Burlington Halton Region
Ontario
 bt_portal 2026-05-14 2026-08-27
● W-3401B-26 - Request for Tender for Watermain Replacement on Elgin Street and Queen Street, in the Town of Halton Hills Halton Region
Ontario
 bt_portal 2026-07-23 2026-08-27
● R26-208 - Engineering Services for Southwest Chatham Sanitary Pump Stations Municipality of Chatham-Kent
Ontario
 bt_portal 2026-07-16 2026-09-03
● RFPQ-1082-2026 - Prequalification of general contractors for a large remediation project at Courtice Water Pollution Control Plant in the Region of Durham
watchlist: Industra Construction Corp.
 Durham Region
Ontario
 bt_portal 2026-07-24 2026-09-09
● OID2026-051 - INTEGRATED INFRASTRUCTURE MASTER PLAN Town of Georgina
Ontario
 bt_portal 2026-07-09 2026-09-18
● 2026-054T - CONSTRUCTION OF AN ARTIFICIAL TURF BASEBALL DIAMOND AT THE ARTHUR P. KENNEDY WATER TREATMENT PLANT, CITY OF MISSISSAUGA, Project 26-1927 Region of Peel
Ontario
 bt_portal 2026-07-08 2026-09-21
● 2026-296T - Construction of 1200MM Sanitary Sewer at Intersection of Kennedy Road and Mayfield Road Project 15-2153 Phase 2, City of Brampton Region of Peel
Ontario
 bt_portal 2026-05-22 2026-09-21
● ISD24-191 - Request for Prequalification (RFPQ) for Various Water/Wastewater 2024-2027 Capital Projects
watchlist: Industra Construction Corp.
 City of Greater Sudbury
Ontario
 bt_portal 2024-11-15 2027-12-31
● 2026-056P - ENGINEERING SERVICES FOR PROPOSED 1200MM WATERMAIN ON BLOOR STREET AND TOMKEN ROAD FROM SILVERTHORN PUMPING STATION TO DUNDAS STREET, PROJECT 25-1220 Region of Peel
Ontario
 bt_portal 2026-05-11 2026-09-21