| Request for Supplier Qualifications for Peer Review for Air Quality and Odour Study, Noise, Vibration Study, Compatibility/Mitigation and Rail Safety and Risk Mitigation | City of Toronto | Ontario | — | 2026-06-15 |
| Hydrology and Methylmercury and Water Quality | Impact Assessment Agency of Canada (IAAC) | Ottawa, Ontario | — | 2026-06-15 |
| RFP-2026-076 - Wastewater Treatment Plant Biosolid Disposal | London | London, Ontario | — | 2026-06-15 |
| C2026-19 - New Hamburg WWTP - SBR Inspection & Remediation | Regionofwaterloo | Regionofwaterloo, Ontario | — | 2026-06-16 |
| C13-15-26 - Tender for Contractor Required for Upgrades to Return Activated Sludge (RAS) Piping at the Woodward Avenue Wastewater Treatment Plant | Hamilton | Hamilton, Ontario | — | 2026-06-16 |
| REQUEST FOR QUOTATION CERTIFIED NON-HAZARDOUS WASTE HAULER | Township of Ramara | Ontario | — | 2026-06-17 |
| APN-NATURAL RESOURCES & ENVIRONMENTAL ASSESSMENT SERVICES – SOURCE LIST, BC | Defence Construction Canada | British Columbia, Ontario | — | 2026-06-17 |
| Cumulative Effects Assessment for the Regional Assessment of Oil and Gas Exploratory Drilling in the Canada-Nova Scotia Offshore Area | Impact Assessment Agency of Canada (IAAC) | Ottawa, Ontario | — | 2026-06-17 |
| RFPC-3546-26 - Municipal Class Environmental Assessment and Preliminary Design Services for the Aurora Central Watermain | York | York, Ontario | — | 2026-06-17 |
| CW23773 ON CALL ASBESTOS AND ABATEMENT SERVICES 2026 - RFSQ | Mohawk Medbuy Corporation | Ontario | — | 2026-06-17 |
| P56PJ26358-MONITORING AND MAINTENANCE OF WATER TREATMENT FACILITIES | Toronto Transit Commission - PCM Capital | Toronto, Ontario | — | 2026-06-18 |
| Project: tender_21808 - RFP2025-064 Document Remediation Services | Ontario Shared Services | Ontario | — | 2026-06-18 |
| 2026-13 - Northeastern E.S. Gym Asbestos and Misc. Flooring and Ceilings | Rainbowschools | Rainbowschools, Ontario | — | 2026-06-18 |
| MONITORING AND MAINTENANCE SERVICES FOR WATER TREATMENT FACILITIES | Toronto Transit Commission | Ontario | — | 2026-06-18 |
| Water Treatment Supply and Services | University Health Network | Ontario | — | 2026-06-19 |
| Source List for Environmental and Biological Consultant Services | Defence Construction Canada | Quebec, Ontario | — | 2026-06-22 |
| 2026-RFP-62 - Feasibility Study for the Preliminary Treatment Upgrades at the Niagara Falls Wastewater Treatment Plant | Niagararegion | Niagararegion, Ontario | — | 2026-06-22 |
| 2026-T-85 - Supply and Delivery of Sodium Bisulphite (37% - 41%) for Water and Wastewater Treatment Facilities | Niagararegion | Niagararegion, Ontario | — | 2026-06-22 |
| Regional Standing Offer for Environmental Services – Newfoundland and Labrador Region. | Fisheries and Oceans Canada | Canada, Ontario | — | 2026-06-23 |
| Wastewater Treatment Plant Power Upgrade | City of Dryden | Ontario | — | 2026-06-24 |
| 2026 Household Hazardous Waste Day | City of Dryden | Ontario | — | 2026-06-24 |
| EOI-3843-26 - Research and Development - Managing Asbestos from Road Construction Projects | York | York, Ontario | — | 2026-06-24 |
| C13-12-26 - Tender for Contractor Required for the Primary Clarifiers (Galleries 1-8) and Scum Building Upgrades at the Woodward Avenue Wastewater Treatment Plant | Hamilton | Hamilton, Ontario | — | 2026-06-24 |
| PQ2026-23 - Influent and Effluent Pump Backup Controls and RAS System Control Upgrades Waterloo Wastewater Treatment Plant Waterloo, Ontario | Regionofwaterloo | Regionofwaterloo, Ontario | — | 2026-06-25 |
| S-3369A-26 - Third Line Wastewater Pumping Station and Mid-Halton Wastewater Treatment Plant Inlet Building Upgrades | Haltonregion | Haltonregion, Ontario | — | 2026-06-25 |
| Source List for Large Value Environmental Consultant Services | Defence Construction Canada | Quebec, Ontario | — | 2026-06-26 |
| T26-207 - Omstead Stormwater Management Facility Remediation | Chatham Kent | Chatham Kent, Ontario | — | 2026-06-26 |
| LOI-ENG-2026-721 - Ingersoll Southwest Industrial Development - Environmental Assessment | Oxfordcounty | Oxfordcounty, Ontario | — | 2026-06-29 |
| LOI-ENG-2026-717 - LOI - Plattsville New Well and Water Treatment Class EA | Oxfordcounty | Oxfordcounty, Ontario | — | 2026-06-29 |
| P-299-26 - CONSULTING SERVICES FOR CONDUCTING ANNUAL ASBESTOS REASSESSMENT SURVEYS – WATER TREATMENT AND WASTEWATER TREATMENT PLANTS | Haltonregion | Haltonregion, Ontario | — | 2026-06-29 |
| 26-052 - RFP Design and Construction of the Clythe Water Treatment Plant | Guelph | Guelph, Ontario | — | 2026-06-29 |
| Substances and Hazardous Materials Assessment Services | Hamilton Health Sciences | Ontario | — | 2026-06-29 |
| CW28870 - Prime Architectural Services for KGH - Inpatient Units (IPU)/Intensive Care Units (ICU) Capacity Expansion & Infrastructure Remediation project - RFP - KHSC | Mohawk Medbuy Corporation | Ontario | — | 2026-06-30 |
| RFT-3203-26 - Supply and Delivery of One (1) Environmental Cube Truck | York | York, Ontario | — | 2026-07-03 |
| Project: tender_21901 - RFB26-65 Moose Creek Wastewater Treatment Lagoon Upgrades | Ontario Shared Services | Ontario | — | 2026-07-06 |
| NRFP # 2026-001-24-135 - Consulting Services for Environmental Assessment (EA) and Preliminary Design – Creditview Road | Caledon | Caledon, Ontario | — | 2026-07-06 |
| P-1314-25 - Central Booster Pumping Station and Associated Infrastructure Schedule B Municipal Class Environmental Assessment Study | Haltonregion | Haltonregion, Ontario | — | 2026-07-06 |
| F18_2026-033 - Westshore Wastewater Treatment Plant Optimization RFT | Severn | Severn, Ontario | — | 2026-07-07 |
| RFP_Real Estate_ Environmental Consulting Services_2026 | Canada Post Corporation | Ottawa, Ontario | — | 2026-07-07 |
| Environmental Control Unit | Department of National Defence | Ontario | — | 2026-07-08 |
| Project: tender_21899 - Balaclava Dam Remediation | Ontario Shared Services | Ontario | — | 2026-07-09 |
| Project: tender_21838 - Construction Services for Water Treatment Plant Upgrades at Killbear Provincial Park | Ontario Shared Services | Ontario | — | 2026-07-09 |
| RFSO Environmental Services | Department of Public Works and Government Services (PSPC) | Ontario | — | 2026-07-10 |
| 2026-RFP-94 - Consulting Assignment to Undertake a Comprehensive Environmental Assessment for the Niagara Escarpment Crossing in the Towns of Grimsby and Lincoln and the Township of West Lincoln | Niagararegion | Niagararegion, Ontario | — | 2026-07-13 |
| Operations & Management of Potable Water Systems - Gatineau Park and Quebec Urban Lands | National Capital Commission | Ottawa, Ontario | — | 2026-07-14 |
| RFP-2026-07STIEXT - St. Ignatius Exterior and Window Upgrades | Tbcschools | Tbcschools, Ontario | — | 2026-07-15 |
| P-1264-26 - Consulting Engineering Services for Acton Wastewater Treatment Plant – Digester 1 SCADA System and Plant Upgrades | Haltonregion | Haltonregion, Ontario | — | 2026-07-16 |
| APN-NATURAL RESOURCE AND ENVIRONMENTAL IMPACT ASSESSMENT SERVICES | Defence Construction Canada | Alberta, Ontario | — | 2026-08-04 |
| This Request for Supplier Qualifications ("RFSQ") is an invitation by the City of Toronto ("the City") to prospective Proponents. The objective is to obtain a Statement of Qualification from Proponents interested in providing pre-construction and construction services for the Integrated Pumping Station Construction Contract 3 (IPS CC3) using the Construction Manager At-Risk (CMAR) method of project delivery. The project is located at the Ashbridges Bay Wastewater Treatment Plant. The Posting d | City of Toronto | Toronto, Ontario | — | 2026-09-02 |