Open Environmental & Waste Tenders in Ottawa — 5 Live Today
Data updated September 28, 2026
Ottawa's environmental and waste tenders cover collection routes, organics and recycling processing, hazardous waste handling and site remediation, posted by the municipality and local public agencies.
Each listing shows the buyer, the source portal and the closing date. Multi-year collection contracts come up rarely, so watching for the re-tender matters.
Latest open tenders
IWSD/WFTS Hauling and Disposal of Grit and Screenings from ROPEC
City of Ottawa
MERXCloses October 13, 2026Installation of a Permeable Reactive Barrier at 335 River Road, Ottawa
Department of Public Works and Government Services (PSPC)
MERXCloses October 1, 2026Installation of a Permeable Reactive Barrier at 335 River Road, Ottawa
Department of Public Works and Government Services (PSPC)
CanadaBuysCloses October 1, 2026SI/HSRE&I/Professional Environmental Engineering Services
City of Ottawa
MERXCloses October 9, 2026Waste Management Services
Carleton University
MERXCloses September 29, 2026
Closing within 7 days(3)
Waste Management Services
Carleton University
MERXCloses September 29, 2026Installation of a Permeable Reactive Barrier at 335 River Road, Ottawa
Department of Public Works and Government Services (PSPC)
MERXCloses October 1, 2026Installation of a Permeable Reactive Barrier at 335 River Road, Ottawa
Department of Public Works and Government Services (PSPC)
CanadaBuysCloses October 1, 2026
More Environmental & Waste tenders in Ontario
Waste Collection HSC Yellowknife
Department of National Defence (DND)
MERXCloses October 12, 2026Tender 2026-14 Grinding at Ross Landfill
Township of Whitewater Region
BiddingoCloses October 12, 2026R26-284 - Blenheim Stormwater Data Collection
Municipality of Chatham-Kent
Bids&TendersCloses October 20, 2026Front Load Truck Solid Waste Collection and Disposal Services
York University
MERXCloses October 28, 2026Project: tender_22217 - TARGET POLYGON INTERPRETATION FOR THE FOREST RESOURCES INVENTORY RFB
Ontario Shared Services
MERXCloses October 27, 2026
Most active buyers
- City of Ottawa2 open tenders
- Department of Public Works and Government Services (PSPC)2 open tenders
- Carleton University1 open tenders
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