Water & Sanitation Tenders in Canada

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

288 open opportunities in this category

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Who this is for

Water engineering consultancies, WASH NGOs, desalination and treatment operators, irrigation contractors, utility operators.

Top Funders

Major sources of procurement and grant funding in this category:

World Bank

Water Global Practice and GWSP trust fund.

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AfDB

African Water Facility.

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ADB

Water Financing Programme.

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UNICEF

WASH procurement for humanitarian response.

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USAID

Water Security, Sanitation and Hygiene Partnership.

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A weekly digest of only water & sanitation tenders and grants for where you do business.

Water & Sanitation Opportunities

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

Here is a selection of recent tenders and grants. Register for free to view all water & sanitation opportunities.

Water & Sanitation Tenders

Green Lake Water Treatment Plant Upgrades

OTHER Open

Canada, Saskatchewan 16 Oct 2026 (Closes in 18 days) 2026C-0003-RFPQ

Synopsis The Owner is requesting submissions for Qualification of Contractors to be invited to tender the following work: .1 Construction of a new 93 m2 building addition over the existing concrete water storage reservoir; .2 Supply and installation of treatment, pumping, mechanical and electrical equipment; .3 Conversion of existing water treatment plant building to support new uses, including...

Supply and delivery of polyaluminum chloride for use in municipal drinking water treatment at various facilities on an as and when required basis for the duration of the contract term for coagulation.

RFQ Open

Canada, Ontario 19 Oct 2026 (Closes in 20 days) tobids-5806118418

Supply and delivery of polyaluminum chloride for use in municipal drinking water treatment at various facilities on an as and when required basis for the duration of the contract term for coagulation.

Agriculture and Irrigation - Request for Proposal - Condition Assessment and Hydraulic Study from Ben’s Lake Structure to Lake 6 Outlet

RFP Open

Canada, Alberta 15 Oct 2026 (Closes in 17 days) AB-2026-06543

Background: The reach extending from Ben’s Lake Diversion Structure to Lake Six conveys flows from the Vermilion River, as well as inflows from Watt Lake. The combined flows from the Vermilion River and Watt Lake are conveyed through this channel before discharging into Lake Six, located approximately 5 km downstream of the diversion structure. Recent inspections conducted by operations staff h...

Wheatland County Groundwater Well

TENDER Open

Canada, Alberta 9 Oct 2026 (Closes in 11 days) AB-2026-06519-11000339

Wheatland County Wheatland County Groundwater Well Tender # AB-2026-06519 Closing Date : 10/09/2026 at 15:00 PM Contact: Contact: Jose Podio-Cuervo Email: jose.podio-cuervo@wheatlandcounty.ca Details: Installation of piping, pump, fittings and appurtenances to connect an existing well to a property in the West Highway 1 area of Wheatland County. Disclaimer: This bid is researched and provided f...

Sanitary and Storm Sewer Service Connection and Interface CIPP

TENDER Open

Canada, British Columbia 21 Oct 2026 (Closes in 23 days) 26-097 T-11002054

City of Victoria Sanitary and Storm Sewer Service Connection and Interface CIPP 26-097 T Closing Date: 10/21/2026 4:00:00 PM PT Details: Description: Sanitary and Storm Sewer Service Connection and Interface CIPP Weblink: https://victoria.bonfirehub.ca/opportunities/111736 Disclaimer: The information for this bid was obtained from an external source and will require that you go to a third party...

WR26-030 - Consulting Services for Goggs Ave Watermain & Sanitary Sewer - Maple to Kent

TENDER Open

Canada, British Columbia 2 Nov 2026 (Closes in 35 days) 234379-11034459

City of White Rock WR26-030 - Consulting Services for Goggs Ave Watermain & Sanitary Sewer - Maple to Kent Tender # 234379 Researched Bid This information is for viewing purposes only Closing Date : 11/02/2026 at 14:00 PM Contact: Contact: City of White Rock Email: Details: The City of White Rock intends to retain a professional engineering consultant to provide engineering consulting services ...

John Beer Drive - Sidewalk & Storm Sewer

TENDER Open

Canada, Prince Edward Island 1 Oct 2026 (Closes in 3 days) TOTR-2026-04-1006081

Government of Prince Edward Island John Beer Drive - Sidewalk & Storm Sewer Tender # TOTR-2026-04 Closing Date : 10/01/2026 at 10:00 AM Contact: Michael MacKay, Coles Associates Ltd. Email: mmackay@colesassociates.com Details: John Beer Drive Sidewalk & Storm Sewer New sidewalk storm water construction. Disclaimer: This bid is researched and provided for information purposes only. To participat...

EQ754-270295 - Nassau Mills Dam at Lock 22 Replacement

TENDER Open

Canada, Quebec 22 Oct 2026 (Closes in 24 days) WS5881296127-11000693

Public Works and Government Services Canada (Que) EQ754-270295 - Nassau Mills Dam at Lock 22 Replacement Tender # WS5881296127 Closing Date : 10/22/2026 at 14:00 PM Contact: Lauren Woodhall lauren.woodhall@tpsgc-pwgsc.gc.ca Details: Disclaimer: This bid is researched and provided for information purposes only. To participate in this bid opportunity, interested vendors are sometimes required to ...

44 Street Widening

TENDER Open

Canada, Alberta 8 Oct 2026 (Closes in 10 days) AB-2026-06514-11001246

City of Lloydminster 44 Street Widening Tender # AB-2026-06514 Closing Date : 10/08/2026 at 14:00 PM Contact: Contact: Nicholas Grant Email: Details: 44 Street Widening Disclaimer: This bid is researched and provided for information purposes only. To participate in this bid opportunity, interested vendors are sometimes required to register on the City of Lloydminster's website. Please refer to ...

Integrated Stormwater Master Plan (ISWMP) Update

TENDER Open

Canada, Ontario 14 Oct 2026 (Closes in 16 days) P26-147-1003980

City of Kitchener Integrated Stormwater Master Plan (ISWMP) Update P26-147 Closing Date: 10/14/2026 1:00:00 PM ET Details: Kitchener established its Stormwater Utility in 2010, and since then has adopted an innovative approach to stormwater management throughout the City. The City created its first Integrated Stormwater Master Plan (ISWMP) in 2016. The 2016 ISWMP marked a significant shift towa...

Request for Proposal - Well Drilling

TENDER Open

Canada, Ontario 6 Oct 2026 (Closes in 8 days) RFP15-2026-1000159

Municipality of Oliver Paipoonge Request for Proposal - Well Drilling RFP15-2026 Closing Date: 10/06/2026 12:00:00 PM ET Details: This Request for Proposals (“RFP”) is an invitation by the Municipality of Oliver Paipoonge (herein after referred to as “the Municipality”) to proponents to submit proposals for the work of the installing at new well adjacent to an existing well at 138 Maple Street ...

Collection of surface water samples and ancillary data for the Canadian Water Monitoring Program for Pesticides in priority Ontario watersheds.

TENDER Open

Canada, Ontario 28 Oct 2026 (Closes in 30 days) 1000273707-11002946

Public Works and Government Services Canada (ON) Collection of surface water samples and ancillary data for the Canadian Water Monitoring Program for Pesticides in priority Ontario watersheds. Tender # 1000273707 Closing Date : 10/28/2026 at 14:00 PM Contact: Marco Ghattas marco.ghattas@hc-sc.gc.ca Details: Disclaimer: This bid is researched and provided for information purposes only. To partic...

Water Storage Infrastructure Cost-benefit Assessment Approaches

TENDER Open

Canada, Alberta 21 Oct 2026 (Closes in 23 days) AB-2026-06490-31025334

Government of Alberta Water Storage Infrastructure Cost-benefit Assessment Approaches Tender # AB-2026-06490 Closing Date : 10/21/2026 at 14:00 PM Contact: Contact: Abdur Rashid Email: EPA.WatershedResilience@gov.ab.ca Details: Water Storage Infrastructure Cost-benefit Assessment Approaches Disclaimer: This bid is researched and provided for information purposes only. To participate in this bid...

Civil Infrastructure Upgrades, 157-185 Buckmasters Circle (St. Johns, NL)

TENDER Open

Canada, Newfoundland and Labrador 7 Oct 2026 (Closes in 9 days) 25TS032R1-1001516

Newfoundland and Labrador Housing Corporation Civil Infrastructure Upgrades, 157-185 Buckmasters Circle (St. Johns, NL) Tender # 25TS032R1 Closing Date : 10/07/2026 at 12:00 PM Contact: Christina Kirby 709-724-3159 cmkirby@nlhc.nl.ca Details: 25TS032R1 - Civil Infrastructure Upgrades, 157-185 Buckmasters Circle, St. Johns Disclaimer: This bid is researched and provided for information purposes ...

Utility Coordination Manual

TENDER Open

Canada, Ontario 8 Oct 2026 (Closes in 10 days) RFP-53-2026-27534640

RFP-53-2026 Closing Date: 10/08/2026 2:00:00 PM PT Details: Description: Utility Coordination Manual Weblink: https://www.oakville.ca/business-development/business/purchasing/ Disclaimer: The information for this bid was obtained from an external source and will require that you go to a third party website to gather more information. o Biddingo.com is not responsible for the contents of the thi...

Waterloo Landfill Gas Control Plant Panel Upgrade 1001 Erb Street West, Waterloo, Ontario

TENDER Open

Canada, Ontario 14 Oct 2026 (Closes in 16 days) PQ2026-27-1004668

Region of Waterloo Waterloo Landfill Gas Control Plant Panel Upgrade 1001 Erb Street West, Waterloo, Ontario PQ2026-27 Closing Date: 10/14/2026 2:00:00 PM ET Details: Description: Waterloo Landfill Gas Control Plant Panel Upgrade 1001 Erb Street West, Waterloo, Ontario Weblink: https://www.regionofwaterloo.ca/business-and-development/bids-and-tenders/ Disclaimer: The information for this bid wa...

Agriculture and Irrigation - Request for Proposal - Pilot Plant Cleaning Services for Bio Processing Innovation Centre

RFP Open

Canada, Alberta 13 Oct 2026 (Closes in 15 days) AB-2026-06462

PROJECT OVERVIEW The purpose of this RFP is to secure: a) A contractor to provide high quality, reliable and consistent sanitation and cleaning services to the Province for: Bio Processing Innovation Centre (BPIC) including pilot scale processing machines and equipment housed within the facility. b) Sanitation and cleaning services are required at BPIC located at 5520 – 36 Street NW, Edmonton, ...

Food Management Services

TENDER Open

United States, California 2 Dec 2026 (Closes in 65 days) RFP-AS-474841-1000362

Metropolitan Water District of Southern California Food Management Services RFP-AS-474841 Closing Date: 12/02/2026 11:00:00 AM PT Details: Description: Food Management Services Weblink: https://vendors.planetbids.com/portal/16151/bo/bo-detail/146001 Mandatory Pre-Bid Meeting: October 14, 2026 at 10:00 AM Disclaimer: The information for this bid was obtained from an external source and will requ...

Foothill Feeder Pressure Control Structure Chemical Injection Stage 1

TENDER Open

United States, California 15 Oct 2026 (Closes in 17 days) 2216-1000361

Metropolitan Water District of Southern California Foothill Feeder Pressure Control Structure Chemical Injection Stage 1 2216 Closing Date: 10/15/2026 2:00:00 PM PT Details: Description: Foothill Feeder Pressure Control Structure Chemical Injection Stage 1 Weblink: https://vendors.planetbids.com/portal/16151/bo/bo-detail/146410 Mandatory Pre-Bid Meeting: October 1, 2026 at 9:00 AM Disclaimer: T...

Drainage Improvements Pr 332 (0.3 Km North of PTH 12)

TENDER Open

Canada, Manitoba 5 Oct 2026 (Closes in 7 days) X07194-11002342

Manitoba Infrastructure and Transportation Service (Engineering & Operations) Drainage Improvements Pr 332 (0.3 Km North of PTH 12) Tender # X07194 Closing Date : 10/05/2026 at 13:00 PM Contact: Project Manager Mark.Irvine@gov.mb.ca 204-792-2371 Details: Disclaimer: This bid is researched and provided for information purposes only. To participate in this bid opportunity, interested vendors are ...

IWSD/WFTS Hauling and Disposal of Grit and Screenings from ROPEC

TENDER Open

Canada 13 Oct 2026 (Closes in 15 days) 42226-96871-T01-1005293

City of Ottawa IWSD/WFTS Hauling and Disposal of Grit and Screenings from ROPEC 42226-96871-T01 Closing Date: 10/13/2026 3:00:00 PM ET Details: The Wastewater Treatment Branch of the City of Ottawa, hereinafter referred to as the City, is seeking bids from qualified vendors to provide all labour, equipment, and materials for hauling and disposal of grit and screening from the Robert O. Pickard ...

Metro Vancouver Wastewater Treatment Plants Digester Cleaning Services

TENDER Open

Canada, British Columbia 20 Oct 2026 (Closes in 22 days) 26-0489-11037785

Greater Vancouver Regional District Metro Vancouver Wastewater Treatment Plants Digester Cleaning Services Tender # 26-0489 Researched Bid This information is for viewing purposes only Closing Date : 10/20/2026 at 14:00 PM Contact: Contact: Metro Vancouver Email: purchasing_admin@metrovancouver.org Details: Disclaimer: This bid is researched and provided for information purposes only. To partic...

Construction services for snow storage facility at 1875 north sheridan way, city of mississauga, project 13-4007

TENDER Open

Canada, Ontario 6 Oct 2026 (Closes in 8 days) 2026-484T-1004959

Region of Peel CONSTRUCTION SERVICES FOR SNOW STORAGE FACILITY AT 1875 NORTH SHERIDAN WAY, CITY OF MISSISSAUGA, PROJECT 13-4007 2026-484T Closing Date: 10/06/2026 12:00:00 PM ET Details: Description: CONSTRUCTION SERVICES FOR SNOW STORAGE FACILITY AT 1875 NORTH SHERIDAN WAY, CITY OF MISSISSAUGA, PROJECT 13-4007 Weblink: https://peelregion.ca/business/procurement/how-do-business-us Disclaimer: T...

Vegetation establishment

TENDER Open

Canada, Ontario 8 Oct 2026 (Closes in 10 days) OID2026-066-1001145

Town of Georgina VEGETATION ESTABLISHMENT OID2026-066 Closing Date: 10/08/2026 2:00:00 PM ET Details: Description: VEGETATION ESTABLISHMENT Weblink: https://www.georgina.ca/doing-business/bids-and-tenders Disclaimer: The information for this bid was obtained from an external source and will require that you go to a third party website to gather more information. o Biddingo.com is not responsibl...

Polybutylene water service replacements (area 4)

TENDER Open

Canada, Ontario 14 Oct 2026 (Closes in 16 days) OID2026-061-1001147

Town of Georgina POLYBUTYLENE WATER SERVICE REPLACEMENTS (AREA 4) OID2026-061 Closing Date: 10/14/2026 2:00:00 PM ET Details: Description: POLYBUTYLENE WATER SERVICE REPLACEMENTS (AREA 4) Weblink: https://www.georgina.ca/doing-business/bids-and-tenders Disclaimer: The information for this bid was obtained from an external source and will require that you go to a third party website to gather mo...

Water & Sanitation Grants

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Frequently Asked Questions

Who issues water tenders most frequently?

Municipal water utilities, ministries of water and sanitation, river-basin authorities, and donor-funded PMUs under World Bank, AfDB and ADB projects.

Are WASH grants available to private companies?

Yes — innovation grants from Grand Challenges Canada, USAID DIV, and IFC TechEmerge support private-sector WASH solutions, though most grant flows still run through NGOs and government.

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