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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.

7,925 open opportunities in this category

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.

Water & Sanitation Tenders

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 States, Massachusetts 28 Oct 2026 (Closes in 30 days) BD-19-1212-MWRA-DITP-133722
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, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-21-1950-BB001-BB001-133602
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017994
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017996
United States, Oregon 30 Sep 2026 (Closes in 2 days) S-X34350-00017998
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
United States, Massachusetts 14 Oct 2026 (Closes in 16 days) BD-19-1131-BWSC1-BWSC1-133262
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-DEW059307

Loveday and Mussel Lagoon Infrastructure Upgrades. 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-19-1131-BWSC1-BWSC1-133167
United States, Massachusetts 8 Oct 2026 (Closes in 10 days) BD-21-2174-SWD50-SWD50-133266
United States, Massachusetts 7 Oct 2026 (Closes in 9 days) BD-27-1531-SWSPD-SWSPD-133209
United States, Massachusetts 6 Oct 2026 (Closes in 8 days) BD-27-1531-SWSPD-SWSPD-132958
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 29 Oct 2026 (Closes in 31 days) NSW-RFT-2016441

66 weeks

Australia, New South Wales 28 Sep 2026 (Closes today) NSW-SR01086

Snow Ridge Road (KNP5) CH50.8km Stabilisation Project in Kosciuszko National Park - SR01086

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...

Water & Sanitation Grants

Open Environment & Water US

The Climate Adaptation and Resiliency Program was created by AB109, which amended the Budget Act of 2017 to provide local assistance through the Wildlife Conservation Board for conservation projects focusing on resilience to projected climate impacts. These projects must be consistent with the State’s climate adaptation strategy (Safeguarding California Plan), contribute to the carbon sequestration goals of AB 32, and support WCB’s Strategic Plan. In addition, projects will be consistent with other statewide plans and priorities, including the California Water Action Plan and California State Wildlife Action Plan 2015 Update. Program funding is directed toward projects that: Protect and restore ecosystems on natural and working lands to provide climate change adaptation and resilience f...

Australia Up to $10,000,000 28 Sep 2026 (1 day left)

This program was announced as part of the implementation of the Government’s First Nations Clean Energy Strategy. The objectives of the program are to: support up to 2 First Nations organisations to progress their clean energy projects beyond feasibility towards financial close build evidence of the factors that enable increased investment in First Nations clean energy projects share First Nations clean energy project development lessons learnt with the sector. The intended outcome of the program is to support the economic development and self-determination of First Nations peoples through increased opportunities to lead and benefit from clean energy project developments. There is a total of up to $10 million available for this grant program. Grants will be from $1 million to $10 millio...

United States $100,000 - $800,000 29 Sep 2026 (1 day left)

The Bureau of Reclamation"s Desalination and Water Purification Research (DWPR) Program aims to increase water supplies by reducing the costs, energy requirements, and other barriers to adoption of treating impaired water for beneficial uses.This NOFO invites proposals from eligible applicants to conduct innovative laboratory and pilot-scale water treatment research. Strong applications will demonstrate widespread applicability and benefits of the proposed research and provide a pathway for technology commercialization. This initiative supports the Bureau of Reclamation's mission to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public by providing water managers with new and innovative technol...

Open Environment & Water; Parks & Recreation US
United States $300,000 - $1,500,000 29 Sep 2026 (2 days left)

Provides funding to construct or improve infrastructure used by transient recreational vessels 26 feet or more in length. The Boating Infrastructure Grant program is designed to provide infrastructure and services for recreational boats 26 feet or more in length. Goals of the program include: 1. enhance access to recreational, historic, cultural and scenic resources; 2. strengthen community ties to the water’s edge and economic benefits; 3. promote public/private partnerships and entrepreneurial opportunities; 4. provide continuity of public access to the shore; and 5. promote awareness of transient boating opportunities.

United States $50,000 - $150,000 30 Sep 2026 (3 days left)

CAL FIRE’s Forest Legacy Program funds landscape-scale conservation projects intended to conserve working forests and working forested landscapes. This solicitation aims to increase organizational capacity for eligible applicants and support the development of high-quality forest conservation projects. Funding for this solicitation is limited to the preparation and development of potential future projects. Eligible Activities: Future Projects - Funding for Forest Legacy Grant Due Diligence: Grant funds can be requested to prepare and develop future working forest conservation easement or fee acquisition projects for completion under a Federal OR State Grant. These will be referred to as “Future Projects” throughout the grant guide. The actual transactions for these Future Projects will ...

Open Disadvantaged Communities; Employment, Labor & Training; Energy; Environment & Water; Food & Nutriti US
United States 30 Sep 2026 (3 days left)

The TCC Program furthers the purposes of AB 32 (Nunez, 2006) and AB 2722 (Burke, 2016) by funding projects that reduce greenhouse gas emissions (GHG) through the development and implementation of neighborhood-level transformative climate community plans that include multiple coordinated GHG emissions reduction projects that provide local economic, environmental, and health benefits to disadvantaged communities. The Transformative Climate Communities (TCC) Program, established by AB 2722 (Burke, 2016), invests in community-led climate resilience projects in the state’s most overburdened communities. The program objectives are to reduce greenhouse gas emissions, improve public health and the environment, and support economic opportunity and shared prosperity. TCC’s unique, place-based str...

Open Disadvantaged Communities; Employment, Labor & Training; Energy; Environment & Water; Health & Human US
United States Up to $300,000 30 Sep 2026 (3 days left)

The Transformative Climate Communities Program furthers the purposes of AB 32 (Nunez, 2006) and AB 2722 (Burke, 2016) by funding projects that reduce greenhouse gas emissions (GHG) through the development and implementation of neighborhood-level transformative climate community plans that include multiple coordinated GHG emissions reduction projects that provide local economic, environmental, and health benefits to disadvantaged communities. The Transformative Climate Communities (TCC) Program, established by AB 2722 (Burke, 2016), invests in community-led climate resilience projects in the state’s most overburdened communities. The program objectives are to reduce greenhouse gas emissions, improve public health and the environment, and support economic opportunity and shared prosperity...

The Australian Government announced a total of up to $12.5 million (GST exclusive) over 7 years from 2023–24 to 2029–30 for the Protecting the Great Barrier Reef – Community Stewardship Program. For this grant opportunity (Round 2), up to $7.538 million (GST exclusive) is available over 4 years from 2026–27 to 2029–30. Objectives of the Round 2 grant opportunity are to: deliver community-based, on-ground actions that measurably improve the health and resilience of key Reef species and habitats build a long-lasting inclusive and interconnected community stewardship network that mobilises and coordinates communities, Traditional Owners and partners to protect the Reef. Intended outcomes of the Round 2 grant opportunity are to: contribute to the delivery of the Reef 2050 Plan and at least ...

Open Agriculture; Disadvantaged Communities; Environment & Water US FR92
United States 7 Oct 2026 (9 days left)

The Farm & Ranch Solid Waste Clean Up & Abatement Grant program provides funding for cleaning up and preventing illegal dumping on agricultural properties (CCR, Section 17991(d)). Each fiscal year has four application cycles, with the fourth serving as the pilot cycle. Cycle 92 (FR92) is the second cycle. CalRecycle administers the program per Section 48100 of the Public Resources Code. The project sites eligible for the grant must be located on 'farm and ranch' property, encompassing both private and public land, where the owner is not held responsible for the illegal disposal. The definition of 'farm and ranch' property can be found in the Eligible Geographies section below. Grantees are given approximately two years to complete the project(s). The sites should be fully remediated (cl...

Open Disadvantaged Communities; Disaster Prevention & Relief; Education; Energy; Environment & Water; Hea US
United States $750,000 - $4,500,000 13 Oct 2026 (16 days left)

The Extreme Heat and Community Resilience Program (Extreme Heat Program) is housed within the Governor’s Office of Land Use and Climate Innovation (LCI). The Program provides funding for projects to protect California communities most vulnerable to the impacts of extreme heat. Round 2 will fund infrastructure projects with funding from the 2024 Climate Bond (Proposition 4) and the Greenhouse Gas Reduction Fund. Early Infrastructure Projects fund heat-related infrastructure planning and a demonstration project that tests proposed approaches. Awards range from $750,000 to $1.2 million. Advanced Infrastructure Projects fund the implementation of heat-related infrastructure projects that have been identified through prior planning efforts and determined to be feasible. Awards range from $3 ...

Open Environment & Water US
United States $1 - $375,000 15 Oct 2026 (18 days left)

The Tire-Derived Aggregate (TDA) Grant Program (Program) provides assistance to local governments to solve a variety of engineering challenges, using tire derived aggregate from shredded tires as an alternative to conventional lightweight aggregates in civil engineering projects and assists in diverting waste tires from landfill disposal, prevent illegal tire dumping, and promote markets for recycled-content tire products. Tire-Derived Aggregate (TDA) is made from shredded tires as an alternative to conventional lightweight aggregates that is: Lightweight Free-draining Less expensive Eligible Applicants Include: -All California local government entities, including cities, counties, and cities and counties. -Special districts, including transportation districts. -Joint Powers Authorities...

Open Disadvantaged Communities; Environment & Water; Health & Human Services; Housing, Community and Econ US SWC 108
United States 16 Oct 2026 (19 days left)

This program provides financial assistance in the form of reimbursement grants up to $500,000 to help public entities accelerate the pace of cleanup, restore sites, and turn today’s problems into tomorrow’s opportunities. Widespread illegal dumping of solid waste adversely impacts Californians in many ways. Properties on which illegal dumping occurs lose economic value; create public health and safety and environmental problems; and degrade the enjoyment and pride in the affected communities. Abandoned, idled, or underutilized properties due to unauthorized dumping impact what were once the sources of economic benefits to a community. Many such properties have been abandoned or have owners who are unable or unwilling to pay the costs of cleanup.

United States $1,000,000 - $4,000,000 22 Oct 2026 (25 days left)

The fundamental goal of the Program is to stimulate an increase of furnace-ready glass cullet in the making of new glass beverage containers within the State of California. Eligible Projects Include: This grant is for projects that demonstrate the ability to expand furnace-ready glass cullet processing in the State of California. Projects must be located in California. Applicants will be required to identify the location and provide location documentation within the application. The applicant must match the amount of any grant received from the grant program in an amount equal to or greater than the grant amount. Other funding received from CalRecycle is not eligible to be used as match for this grant program. Within 12 months of receiving a grant from CalRecycle the entity receiving th...

Open Agriculture; Disadvantaged Communities; Environment & Water; Housing, Community and Economic Develop US
United States $100,000 - $2,000,000 23 Oct 2026 (25 days left)

The purpoose of the Delta Community, Environment and Climate Grant Program is to fund multibenefit projects in the Delta and Suisun Marsh. The Conservancy is soliciting proposals for three different priorities: Community Enhancement, Nature-Based Solutions, and Ecosystem Restoration. The purpose of the Delta Community, Environment and Climate Grant Program is to fund multibenefit projects in the Delta and Suisun Marsh. The Conservancy is soliciting proposals for three different priorities: Community Enhancement, Nature-Based Solutions, and Ecosystem Restoration. • Community Enhancement planning and implementation projects will benefit Delta communities through public access, recreation and tourism, historic and cultural preservation, environmental education, and community engagement. Fu...

United Kingdom 23 Oct 2026 (25 days left)

Seeking an experienced partner to design, deliver and steward a multi-year community, convening and collaboration programme for Wellcome Accelerator Awardees, supporting connection, opportunity, collaboration and long-term career progression. Suppliers should view the RFP through the Oracle portal, where they should also submit any questions.

The objectives of the grant opportunity are to promote actions that align with the management programs of Australian Marine Parks Management Plans to: support Traditional Owners to: document and maintain their traditional knowledge, cultural sites and values associated with Sea Country in and adjacent to Australian Marine Parks participate in the management of Sea Country in Australian Marine Parks and in adjacent waters enhance community capacity and participation in marine park management, including through improved understanding of social and environmental values protect marine parks from threats and pressures, to minimise damage, and to improve the resilience of marine parks support relevant industries to understand and engage in marine park management – commercial and recreational ...

United States $250,000 - $4,000,000 29 Oct 2026 (32 days left)

The fundamental goal of the Program is to assist in funding regional pilot programs that are supplying bins for collection of empty glass beverage containers from five or more restaurants and on-sale retail licensed establishments licensed pursuant to the Alcoholic Beverage Control Act (Division 9, commencing with Section 2300, of the Business and Professions code), with the goal of increasing the recycling of glass beverage containers. In order to facilitate increased recycling of empty glass beverage containers in the state, the department shall create the Increased Recycling of Empty Glass Beverage Containers Grant Program. The purpose of the grant program shall be to assist in funding regional pilot programs furnishing bins for collection of empty glass beverage containers from rest...

Open Education; Environment & Water; Parks & Recreation US
United States $1 - $62,000 30 Oct 2026 (33 days left)

Provide boating safety education to the general public. These grants are available to organizations that offer on-the-water boating safety education courses. Courses offered should be designed to enhance boater knowledge of boating laws, practical handling of vessels on the water, weather and water conditions, rules of the road, and equipment requirements.

Open Education, environment AU 121701
Australia Up to $60,000 9 Nov 2026 (43 days left)

The Environmental Education grants program funds projects that build skills and drive change in people's behaviour and practices to improve the environment. Program objective The Environmental Education program funds projects that build people’s skills and capacity to adopt sustainable behaviours, and contribute to protecting and improving the environment Our projects: work with their target audience to co-design and pilot engagement strategies create effective strategic partnerships that strengthen project outcomes measure and demonstrate the impact of their project activities This program is administered by Department of Climate Change, Energy, the Environment and Water. This program is funded by NSW Environmental Trust. Eligibility Tier 1 Tier 1 provides grants of up to $60,000 for 2...

Open Education, environment AU 121703
Australia $60,001 - $250,000 9 Nov 2026 (43 days left)

The Environmental Education grants program funds projects that build skills and drive change in people's behaviour and practices to improve the environment. Program objective The Environmental Education program funds projects that build people’s skills and capacity to adopt sustainable behaviours, and contribute to protecting and improving the environment Our projects: work with their target audience to co-design and pilot engagement strategies create effective strategic partnerships that strengthen project outcomes measure and demonstrate the impact of their project activities This program is administered by Department of Climate Change, Energy, the Environment and Water. This program is funded by NSW Environmental Trust. Eligibility Tier 2 Tier 2 provides grants of between $60,001 and...

Open Business, environment, primary_industry, regional AU 124831
Australia Up to $25,000 30 Nov 2026 (64 days left)

The Net Zero Planning Grant round 2 is a unique opportunity for eligible NSW businesses to receive up to $25,000 in funding, to cover up to 50% of the cost to strategically plan for and progress their path to net zero. Program objective The objectives of the Net Zero Planning Grant round 2 are to: support businesses with long-term net zero planning enhance businesses' understanding of net zero, to better integrate climate-related risks and opportunities into business planning, strengthen resilience and reduce emissions provide practical guidance to businesses to identify and take actions to progress towards net zero enable businesses to improve their competitiveness in the global transition to net zero. This program is administered by Department of Climate Change, Energy, the Environmen...

Open Business, environment, infrastructure AU 109672
Australia $5,000 - $1,200,000 30 Nov 2026 (64 days left)

Kick-start funding is designed for eligible businesses that are interested in piloting a few battery electric vehicles (BEVs) or for smaller fleets that want to start their electrification journey. Program objective Kick-start funding aims to accelerate the adoption of battery electric vehicles (BEVs) by supporting eligible organisations to transition their fleets to cleaner, low-emission technology. This funding will assist with procuring BEVs and optional smart charging infrastructure to drive sustainable transport solutions and contribute to emissions reduction targets. This program is administered by Department of Climate Change, Energy, the Environment and Water. Eligibility Who can apply Any ABN holder that operates an existing fleet, a taxi or a truck in NSW. The organisation mus...

Australia Up to $200,000 4 Dec 2026 (68 days left)

The Solar for Apartment Residents (SoAR) - Boost initiative provides funding to support the installation of solar PV systems on eligible apartment buildings and other multi-unit dwellings in NSW in selected suburbs. Program objective The program aims to help people living in eligible areas of NSW to: improve their access to renewable energy reduce their electricity costs participate in the clean energy transition. This program is administered by Department of Climate Change, Energy, the Environment and Water. Eligibility Who can apply To be eligible to apply for funding you must be one of the following: a residential owners corporation (OC) responsible for the management of a strata scheme under the Strata Schemes Management Act 2015 a strata managing agent as outlined in the Strata Sch...

Australia Up to $150,000 4 Dec 2026 (68 days left)

The Solar for Apartment Residents (SoAR) grant program provides funding to support the installation of solar panels on eligible apartment buildings and other multi-unit dwellings in NSW. Program objective SoAR supports NSW residents living in apartments or other multi-unit dwellings to install a shared rooftop solar photovoltaic (PV) system, with the aim of giving these households access to the benefits of solar energy. Providing funding for the transition of apartment buildings or other multi-unit dwellings to solar energy will assist NSW households, including renters, to reduce their energy bills and greenhouse gas emissions. This initiative will benefit owners and residents through lower upfront costs for the installation of a solar PV system and ongoing cost savings from locally gen...

Australia Up to $2,824,000 10 Dec 2026 (74 days left)

pportunities for First Nations communities located near the sites of proposed large-scale renewable hydrogen production projects.  The First Nations Renewable Hydrogen Engagement Fund Round 2 will run from 2026-27 to 2027-28. The intended outcomes of the grant opportunity are: increased capacity of Aboriginal and Torres Strait Islander communities and organisations to engage with the renewable hydrogen industry  the perspectives, culture and traditions of First Nations have informed the development of Australia’s first large-scale renewable hydrogen projects.

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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