The top 10 pre-bid water and sewer projects in Canada, ranked by project value as of March 9, 2026.
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1. Northwest Langley Wastewater Treatment Plant Expansion
Site work and new construction of a water / sewer project in Langley, British Columbia. Design plans call for the construction of a water / sewer project; and for site work for a water / sewer project. The Northwest Langley Wastewater Treatment Plant, which currently serves 30,000 people in Langley, will be expanded on the same site to serve 280,000 people, including residents and businesses in Maple Ridge and Pitt Meadows across the Fraser River. Several other projects will support the treatment plant improvements.
Project Value (CAD): $2,000,000,000
Building Use: Water / Sewer
Sector: Public – County
Project Type: LEED Certification
Location: 10301 201 St, Langley, BC
Project Stage: Design
10301 201 St, Langley, BC
2. Lake Diefenbaker Phase 1 - Westside Irrigation Rehabilitation
Site work for a civil project in Macrorie, Saskatchewan. Design plans call for site work for a water / sewer project. Westside Irrigation Rehabilitation Project (WIP). The project is a multi-generational, visionary large-scale conceptual irrigation project with potential for up to 340,000 acres of irrigation supplied from Lake Diefenbaker. Located in south-central Saskatchewan, the project area is bounded by Lake Diefenbaker, the South Saskatchewan River to the east and the North Saskatchewan.
Project Value (CAD): $1,150,000,000
Building Use: Water / Sewer
Sector: Public – State / Provincial
Project Type: Site Work
Location: Multiple Locations, Macrorie, SK
Project Stage: Design
Multiple Locations, Macrorie, SK
3. Murray River Coal Project
Site work for a mixed-use development in Tumbler Ridge, British Columbia. Working plans call for site work for a 80,000-square-foot, one-story above grade industrial development; pipeline; road / highway; and water / sewer project. ion of an underground mine for metallurgical coal. On-site and off-site components include underground mine; waste rock facilities; overburden and soil storage areas and facilities; maintenance, administration and warehouse facilities; contact water collection ditches; settling ponds and water management structures; sewage treatment and disposal facilities; electric transmission lines to connect to existing BC Hydro grid and related infrastructure; natural gas pipeline to connect to existing infrastructure.
Project Value (CAD): $668,000,000
Building Use: Pipeline, Roads / Highways, Water / Sewer, Industrial
Sector: Private
Project Type: Site Work
Location: Multiple Locations, Tumbler Ridge, BC
Project Stage: Pre-ion / Negotiated
Multiple Locations, Tumbler Ridge, BC
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