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Water & Sanitation Tenders & Grants

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.

7,956 open opportunities in this category

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Water treatment facility — WASH and sanitation infrastructure

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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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.

Supply and Delivery of 1 (One) 8.5-ton Single Cab Truck with custom tray

TENDER Open
Australia, Victoria 12 Oct 2026 (Closes in 14 days) VIC-334123

Supply and Delivery of 1 (One) 8.5-ton Single Cab Truck with custom tray

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To provide a Wildfire-Resilient Landscape Assessment plan in Killarney National

TENDER Open
Ireland €75K 26 Oct 2026 (Closes in 28 days) IE-9165373

Tenders are sought to commission a Wildfire-Resilient Landscape Assessment for Killarney National Park (KNP) to improve understanding of landscape-scale wildfire risk and identify opportunities to reduce the likelihood, spread and impacts of wildfire through evidence-based land and habitat management. The proposed assessment will build upon existing wildfire management arrangements and address ...

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26-007F National Multi-Supplier Framework for the Provision of Laboratory Services

TENDER Open
Ireland 23 Oct 2026 (Closes in 25 days) IE-9141690

Uisce Eireann is seeking to establish a high-quality sampling and or analysis service to achieve efficiencies in all commercial laboratory contractual arrangements, to meet regulatory requirements, and to protect public health. These services will be sub-divided into Three (3) Lots described below as Lot 1, Lot 2 and Lot 3. Applicants may apply for one, some or all Lots. For Lots 1, 2 and 3 the...

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Single Party Framework Agreement for the Provision of Energy Efficient Design Services

TENDER Open
Ireland €500K 2 Nov 2026 (Closes in 35 days) 3082

The Energy Efficient Design (EED) process is intended to ensure that the Contracting Authority’s capital projects are conducted in accordance with objective and methodical protocols and procedures. The overall EED process comprises organisational measures, processes, guiding principles and control mechanisms to be implemented during the design of projects, with the targets of (i) reducing the l...

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Health and Fitness Assessment Services - Fighting Fit Program

TENDER Open
Australia, South Australia 27 Oct 2026 (Closes in 28 days) SA-DEW059374

Health and Fitness Assessment Services - Fighting Fit Program. Issued by: Department for Environment and Water

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EPC Certification Service Contract

TENDER Open
United Kingdom 15 Oct 2026 (Closes in 17 days) LBC/TN/820

Croydon Council is looking for a supplier to provide EPC Certification Service Contract

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Tender for the investigation, drilling, rehabilitation, equipping, installation, commissioning and handover of groundwater infrastructure for unserved communities in Gauteng and Mpumalanga provinces for a period of six (6) months

TENDER Open
South Africa, Gauteng 16 Oct 2026 (Closes in 17 days) RW10420384/26

Tender for the investigation, drilling, rehabilitation, equipping, installation, commissioning and handover of groundwater infrastructure for unserved communities in Gauteng and Mpumalanga provinces for a period of six (6) months

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SWSC Bid No. 27-13 Springfield Reservoir Culvert Replacement Project

TENDER Open
United States, Massachusetts 22 Oct 2026 (Closes in 24 days) BD-27-1531-SWSPD-SWSPD-133651
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Water Data Management Tools

TENDER Open
Australia, Western Australia 20 Oct 2026 (Closes in 22 days) WA-DWER101726

Agency: Department of Water and Environmental Regulation. Category: Information Technology Broadcasting and Telecommunications. Type: Tender

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Laverton Beasley Creek Expansion and Treatment

TENDER Open
Australia, Western Australia 3 Nov 2026 (Closes in 36 days) WA-WC7000015533

Agency: Water Corporation. Category: Building and Construction Machinery and Accessories. Type: Tender

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Acacia Prison Expansion Project – Wastewater Treatment Plant

TENDER Open
Australia, Western Australia 20 Oct 2026 (Closes in 22 days) WA-OMID2026111

Agency: Department of Transport and Major Infrastructure. Category: Building and Facility Construction and Maintenance Services. Type: Tender

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ITB - Purchase of Hydrated Lime 2026

TENDER Open
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017996
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ITB - Purchase of Sodium Hypochlorite Solution

TENDER Open
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017999
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Little Miami Wastewater Treatment Plant High-Rate Treatment (LMWWTP HRT) Facility Progressive Design-Build Project

TENDER Open
United States, Ohio 27 Oct 2026 (Closes in 29 days) cincinnati-oh-RFQ 275X901192
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PSA Inorganic Analytical Services

TENDER Open
Australia, Western Australia 15 Oct 2026 (Closes in 17 days) WA-WC7000015487

Agency: Water Corporation. Category: Public Utilities and Public Sector Related Services. Type: Tender

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Wastewater Treatment Plant Capacity Expansion

TENDER Open
Australia, Western Australia 29 Oct 2026 (Closes in 31 days) WA-DBCARIAT0127

Agency: Rottnest Island Authority. Category: Building and Facility Construction and Maintenance Services. Type: Tender

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Circular economy training for South Australian businesses

TENDER Open
Australia, South Australia 13 Oct 2026 (Closes in 14 days) SA-DEW059322

Circular economy training for South Australian businesses. Issued by: Department for Environment and Water

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Construction of Wetland Regulators

TENDER Open
Australia, South Australia 12 Oct 2026 (Closes in 13 days) SA-DEW059310

Construction of Wetland Regulators. Issued by: Department for Environment and Water

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Filed Sub Bid - GP3 Replacement Well Implementation Project

TENDER Open
United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-21-2174-SWD50-SWD50-133265
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Ashland Wastewater Treatment Plant Headworks Upgrade

TENDER Open
United States, Oregon 8 Oct 2026 (Closes in 10 days) S-KA0010-00017932
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SWSC Bid No. 27-04 Cobble Mountain Hydrostation Crane Replacement REBID

TENDER Open
United States, Massachusetts 30 Sep 2026 (Closes in 2 days) BD-27-1531-SWSPD-SWSPD-132622
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Cocos west island seawater desalination plant – design and construct

TENDER Open
Australia, Western Australia 1 Oct 2026 (Closes in 3 days) WA-WC7000015480

Agency: Water Corporation. Category: Building and Facility Construction and Maintenance Services. Type: Tender

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Yanga National Park - Package 5 - Access Tracks - SR01347

TENDER Open
Australia, New South Wales 6 Oct 2026 (Closes in 8 days) NSW-SR01347

Yanga National Park - Package 5 - Access Tracks - SR01347

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SBC0826 athletics track refurbishment works at ridlins stadium, stevenage

TENDER Open
United Kingdom 5 Oct 2026 (Closes in 7 days) CCD01862

Stevenage Borough Council are currently seeking tenders for the provision of ATHLETICS TRACK REFURBISHMENT WORKS AT RIDLINS STADIUM, STEVENAGE This procurement is a below threshold advertised tender . Organisations wishing to take part in this project are invited to ‘express an interest’ and also ‘opt in’ which will give access to the full tender documents in the e-tendering system. Mandatory s...

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Expression of Interest: NABERS Embodied Carbon Independent Design Review Panel (2027 - 2030) - SR01302

TENDER Open
Australia, New South Wales 9 Oct 2026 (Closes in 11 days) NSW-SR01302

Expression of Interest: NABERS Embodied Carbon Independent Design Review Panel (2027 - 2030) - SR01302

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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.

Looking for funding instead of contracts? Browse water & sanitation grants & funding calls

Other categories

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