Ontario construction tenders

61 tenders in Water / Wastewater · refreshed every 120 min
All markets Water / Wastewater (61) Roads & Paving (76) Concrete & Structures (51) Bridges & Culverts (24)
TenderBuyerSourcePostedCloses
● RFQ-2610294 - Trenchless Sewer Mainline Rehabilitation City of Richmond Hill
Ontario
 bt_portal 2026-10-15 2026-11-05
● Construction services for campground expansion and trailer sanitary dumping station expansion within Balsam Lake Provincial Park Government of Ontario
Ontario
 ontario_tenders 2026-10-15 2026-11-16
● ES-2026-14 T-23-26 - North Park Reservoir Repairs City of Belleville
Ontario
 bt_portal 2026-10-15 2026-11-19
● Moose Creek Wastewater Treatment Lagoon Upgrades Government of Ontario
Ontario
 ontario_tenders 2026-09-17 2026-10-19
● Val Côté Lagoon Sludge Removal Government of Ontario
Ontario
 ontario_tenders 2026-10-09 2026-11-05
● R26-252 - Chatham Sanitary PS #3 Pump Upgrades Municipality of Chatham-Kent
Ontario
 bt_portal 2026-10-14 2026-11-10
● RFB26-122 Vertical Turbine Pumps for Geraldton and Nakina Water Treatment Plants Government of Ontario
Ontario
 ontario_tenders 2026-10-14 2026-11-12
● RFP-1104-2026 - Engineering consulting services for the preliminary and detailed design for the rehabilitation of the Hortop Reservoir and replacement of the Hortop Pumping Station in the City of Oshawa Durham Region
Ontario
 bt_portal 2026-10-14 2026-11-23
● 2026-07-P-OPS - Value Engineering Services for Craigleith Wastewater Treatment Plant Improvements Town of The Blue Mountains
Ontario
 bt_portal 2026-10-14 2026-11-05
● 26-Q50 - Supply of Dry Cleaning Services for the City of Cornwall City of Cornwall
Ontario
 bt_portal 2026-10-13 2026-10-27
● R26-281 - Engineering Design Services for the South Kent Baseball Diamond Complex Municipality of Chatham-Kent
Ontario
 bt_portal 2026-10-13 2026-11-06
● C13-02-26 - Tender for Environmental Laboratory HVAC System and Associated Upgrades at the 700 Woodward Avenue Wastewater Treatment Plant City of Hamilton
Ontario
 bt_portal 2026-10-09 2026-11-10
● RFQ PW-ES-26-09 - Courtland Reservoir Repairs and Cleaning Norfolk County
Ontario
 bt_portal 2026-10-09 2026-10-27
● 2026-320T - 150MM Flow CB Watermain Replacement Works Along Inglewood Dr, Palgrave Cr & Sutherland Ave, City of Brampton, Project 26-1340B Region of Peel
Ontario
 bt_portal 2026-10-08 2026-10-30
● 2026-010T - Construction Services for East Brampton Trunk Sewer Rehabilitation, City of Brampton, Project 20-2450, Contract 2 Region of Peel
Ontario
 bt_portal 2026-10-08 2026-10-29
● 26-093 - RFP Biosolids Facility Upgrade Consulting Services City of Guelph
Ontario
 bt_portal 2026-10-08 2026-11-05
● 2026-79 - Wastewater Flow Monitoring City of Brantford
Ontario
 bt_portal 2026-10-08 2026-11-03
● WS-2838A-A-26 - Request for Prequalification Watermain and Wastewater Main Replacements on North Service Road East, Eighth Line, Falgarwood Drive and Joshua’s Creek Drive, Town of Oakville, Category 1: General Contractor, Category 2: Trenchless (Microtunneling) Subcontractor, Category 3: Trenchless (Jack-and-Bore) Subcontractor Halton Region
Ontario
 bt_portal 2026-10-07 2026-11-05
● RFP-1096-2026 - Consulting Engineering Services for the design and construction of an elevated water storage facility in Port Perry Durham Region
Ontario
 bt_portal 2026-10-07 2026-11-04
● RFT # ENG 2026-020 - Midland Water Tower
watchlist: Industra Construction Corp.
 Town of Midland
Ontario
 bt_portal 2026-10-06 2026-11-04
● C14-04-26 - Prequalification of Contractors Required for the Low Voltage Electrical Upgrades at the Woodward Avenue Water Treatment Plant City of Hamilton
Ontario
 bt_portal 2026-10-06 2026-11-05
● D2026-18 - Wastewater sanitary sewer pumping station (SSPS) overflow upgrades in the Region of Durham Durham Region
Ontario
 bt_portal 2026-10-06 2026-11-03
● 2026-91 - Consulting Services For a New Reverse Osmosis System at the Holmedale Water Treatment Plant City of Brantford
Ontario
 bt_portal 2026-10-06 2026-11-12
● S-3487A-26 - BURLINGTON SKYWAY WWTP CHEMICAL SYSTEM UPGRADES
watchlist: Industra Construction Corp.
 Halton Region
Ontario
 bt_portal 2026-10-01 2026-11-03
● Sanitary and Storm Sewer Separation - Phase 4
*CNST
 National Research Council of Canada (NRC)
Ontario
 canadabuys 2026-10-01 2026-11-10
● RFT-3883-26 - Supply and Delivery of Hydrogen Peroxide at Southeast Collector Corrosion Control Facility York Region
Ontario
 bt_portal 2026-10-01 2026-10-28
● C2026-27 - New Hamburg WTP – Phase II Reservoir Assessment and Renewal Region of Waterloo
Ontario
 bt_portal 2026-09-30 2026-10-28
● 2026-066-CQ - 2026-066-CQ Logie Street and Ridout Street SPS Construction
watchlist: Industra Construction Corp.
 City of Kawartha Lakes
Ontario
 bt_portal 2026-09-29 2026-10-29
● RFP-2026-130 - Construction Services for Beswick Drive Watermain Replacement and Road Reconstruction Town of Newmarket
Ontario
 bt_portal 2026-09-29 2026-10-23
● 2026-Q-145 - Geotechnical, Hydrogeological, Excess Soils Management For the Lister Road Gravity Sewer Detailed Design Niagara Region
Ontario
 bt_portal 2026-09-28 2026-10-29
● R26-284 - Blenheim Stormwater Data Collection Municipality of Chatham-Kent
Ontario
 bt_portal 2026-09-25 2026-10-20
● RFPQ-2026-187 - SaaS Laboratory Information Management System City of London
Ontario
 bt_portal 2026-09-25 2026-10-23
● T2026-189 - St. Andrews Pump Station Upgrades 266 St Andrews Street Cambridge, Ontario (Under PQ2026-19) Region of Waterloo
Ontario
 bt_portal 2026-09-25 2026-11-03
● RFT-3523-26 - Supply Of All Labour, Materials And Equipment For The Provision Of Wet Well Cleaning Services At Five Sewage Pumping Stations In The Regional Municipality Of York York Region
Ontario
 bt_portal 2026-09-24 2026-10-29
● P-1345-26 - Provision of Engineering and Consultancy Services for Regional Wastewater Hydraulic Model (InfoWorks ICM) Calibration Halton Region
Ontario
 bt_portal 2026-09-24 2026-10-29
● RFPQ-4048-26 - Recommissioning of Woodbine Avenue Twin Forcemain York Region
Ontario
 bt_portal 2026-09-24 2026-11-03
● 201-T-26 - Construction Upgrades at Calvert, Carlton, Kennedy, and Milliken Sewage Pumping Stations (SPS)
watchlist: Industra Construction Corp.
 City of Markham
Ontario
 bt_portal 2026-09-22 2026-10-20
● P26-147 - Integrated Stormwater Master Plan (ISWMP) Update City of Kitchener
Ontario
 bt_portal 2026-09-22 2026-10-28
● P-1349-26 - Provision of Engineering Services for Contract Administration Services for Upgrade and Rehabilitation of Digester #3, Filters # 3 & 4 at Georgetown Wastewater Treatment Plant Halton Region
Ontario
 bt_portal 2026-09-22 2026-10-29
● RFP#61-26 - Consulting Services for Aeration Basin - Fergus WWTP Township of Centre Wellington
Ontario
 bt_portal 2026-09-22 2026-11-02
● Notice-2026-329 - Notice to Participate in Pre-Qualification 2026-313 - Consulting Engineering Services for the Infrastructure Renewal Program City of London
Ontario
 bt_portal 2026-09-18 2028-12-31
● RFPQ-2026-291 - General Contractor Pre-Qualification for Pottersburg-Vauxhall Interconnecting Pumping Station Upgrade
watchlist: Industra Construction Corp.
 City of London
Ontario
 bt_portal 2026-09-18 2026-11-02
● RFPQ-2026-313 - Qualification of Consulting Engineering Services for the Infrastructure Renewal Program City of London
Ontario
 bt_portal 2026-09-15 2026-10-20
● P-1325-26 - Provision of Engineering Services for Wastewater Main Installation on Britannia Road, Tremaine Road, Lower Base Line Road and Watermain Installation on Tremaine Road, in the Town of Milton Halton Region
Ontario
 bt_portal 2026-09-10 2026-10-29
● W-3526A-A-26 - Request for Prequalification for Upgrades and Equipment Replacement at Three (3) Wastewater Locations: Belair Estates, Chancery Lane and Sixteen Mile Creek, in the Town of Oakville. Category 1: General Contractor, Category 2: Electrical Subcontractor and Category 3: Temporary Bypass Subcontractor
watchlist: Industra Construction Corp.
 Halton Region
Ontario
 bt_portal 2026-09-10 2026-10-22
● P-1264-1-26 - Consulting Engineering Services for Acton Wastewater Treatment Plant – Digester 1 SCADA System and Plant Upgrades Halton Region
Ontario
 bt_portal 2026-09-04 2026-11-05
● 2026-RFSQ-139 - Public Works Roster for Consultancy Services 2027, 2028, and 2029 Niagara Region
Ontario
 bt_portal 2026-09-02 2026-10-29
● 210-R-26 - Consulting Engineering Services for Markham Village Flood Control Implementation - Phase 3 Storm, Sanitary Sewers and Cast Iron Watermain Upgrades City of Markham
Ontario
 bt_portal 2026-09-02 2026-10-30
● 2026-229T - CLARKSON WASTEWATER TREATMENT PLANT PRIMARY CLARIFIER NO. 3 TRAVELLING BRIDGE REPLACEMENT, PROJECT 14-2930
watchlist: Industra Construction Corp.
 Region of Peel
Ontario
 bt_portal 2026-08-31 2026-10-30
● 2026-319T - SUPPLY AND DELIVERY OF STREET FLUSHER WATER TRUCK Region of Peel
Ontario
 bt_portal 2026-08-25 2027-01-15
● 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 2026-10-19
● 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 2026-10-20
● 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 2026-10-28
● 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 2026-12-01
● 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
● 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 2027-01-15
● 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 2026-10-23
● 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 2026-11-06
● 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 2026-10-29