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Water & Sanitation Grants & Funding

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.

199 open grants in this category

Water treatment facility — WASH and sanitation infrastructure

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 open grants. Register for free to view all water & sanitation funding opportunities.

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

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 ...

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...

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...

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

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

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

United States, Massachusetts 22 Oct 2026 (Closes in 24 days) BD-27-1531-SWSPD-SWSPD-133651
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

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

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

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

United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017996
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017999
United States, Ohio 27 Oct 2026 (Closes in 29 days) cincinnati-oh-RFQ 275X901192
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

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

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

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

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

United States, Massachusetts 1 Oct 2026 (Closes in 3 days) BD-21-2174-SWD50-SWD50-133265
United States, Oregon 8 Oct 2026 (Closes in 10 days) S-KA0010-00017932
United States, Massachusetts 30 Sep 2026 (Closes in 2 days) BD-27-1531-SWSPD-SWSPD-132622
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

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

Yanga National Park - Package 5 - Access Tracks - SR01347

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...

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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