The Terra Viva Grants Directory brings free funding information to the developing world. Please consider making a donation to support our operations.

The Terra Viva Grants Directory develops and manages information about grants for agriculture, energy, environment, and natural resources in the world's developing countries.

Category: Water Resources

The Toilet Board Coalition invites applications for its Accelerator Program, which supports small and medium-sized enterprises developing sanitation and hygiene solutions. The program provides business mentorship, strategic coaching, and access to a network of investors to help businesses scale their impact in the circular sanitation economy. Eligible applicants must be registered for-profit SMEs operating in Sub-Saharan Africa, South Asia, or Southeast Asia. While the program does not provide direct grant funding, it facilitates connections to potential investors and partners to help secure financing. The application deadline is 30 April 2026. Know more

The Partnership for Research and Innovation in the Mediterranean Area (PRIMA) invites research consortia to submit projects focused on sustainable water management. The program targets the upscaling of nature-based solutions to address extreme weather events and seeks to enhance policy development through innovative water footprint concepts. Eligibility requires a consortium of at least three legal entities from three different participating countries, including at least one from an EU Member State or associated country and at least one from a Mediterranean Partner Country (such as Algeria, Egypt, Jordan, Lebanon, or Morocco). Funding amounts vary by section: Section 1 projects typically receive approximately €2.7 million each from EU funds, while Section 2 projects receive a minimum of €1.5 million supported by national funding bodies. The deadline for pre-proposals is 15 May 2026. Water Management

The Stockholm Water Prize is awarded annually for outstanding achievements supporting the availability, conservation, and protection of the world’s water resources. The award is open to individuals and organizations of any nationality whose work contributes broadly to the conservation and protection of water resources. The Stockholm Water Prize consists of an award of US$150 thousand and a crystal sculpture. The deadline for nominations is 15 September 2026. Nominate

UNICEF invites organizations and businesses to share proven solutions that address global challenges in water, sanitation, and hygiene (WASH). The program seeks transformative innovations, including new technologies, tools, or business models, that have already demonstrated evidence of impact and have the potential to scale across multiple countries. While UNICEF does not specify a fixed grant amount on the submission page, partners gain access to technical guidance, financial support, and strategic matchmaking within UNICEF’s network of over 190 countries. Submissions are reviewed on a quarterly basis, allowing for ongoing applications throughout the year. Link

The Palladium Group supports innovative, scalable projects that improve water security and economic prosperity. This global program is open to all types of organizations, with a particular emphasis on supporting small businesses, startups, and grassroots non-profits. Proposals must address one of five strategic pillars, including agricultural water productivity, urban water loss reduction, and nature-based solutions. Selected winners receive grants of up to AU$100 thousand to implement their solutions over a one-year period. The deadline for submitting a required initial concept note is 01 April 2026. Challenge Fund

The Water Research Foundation (WRF) invites its subscribing utilities to submit pre-proposals for the Tailored Collaboration Program, which funds research projects addressing regional or utility-specific challenges. This matching grant program allows subscribers to partner with research institutions, consultants, or other technical organizations to conduct applied research on “One Water” topics such as water reuse, asset management, and emerging contaminants. To be eligible, a project must be sponsored by a utility with an active WRF subscription, and the utility must provide a cash match for the funds requested. WRF provides a one-to-one match of up to US$150 thousand per project. Pre-proposals for the 2026 funding cycle must be submitted by 17 March 2026. Click here

The International Water Association (IWA) invites entries for its 2026 Project Innovation Awards, which recognize excellence in water management, research, and technology. The awards are open to organizations and teams worldwide that have delivered impactful projects across six categories, including drinking water supply, wastewater treatment, and water resources management. While the program does not provide a direct cash grant, winners receive global recognition, with gold, silver, and bronze medals awarded at the IWA World Water Congress in Glasgow. Preliminary applications must be submitted by 27 March 2026. Project Innovation Award

The Kurita Water and Environment Foundation (KWEF) supports scientists of Asian nationality who are conducting water research. Research topics include technologies for water/wastewater treatment, water quality analysis, sustainability of water environment sanitation, water ecosystem, and agricultural water use – among other themes. Grants are up to ¥ 300 thousand per research project. Applicants should be under age 40. The application deadline is 02 May 2026. Application procedure

The Water Research Foundation (WRF) recognizes individuals for innovative research in water quality and the water environment. The award includes a US$100 thousand grant. The award is open to individuals from all segments of the water quality community. Self-nominations are accepted. There are no restrictions based on citizenship or nationality. Nominations are due by 01 June 2026. Find more information

The IHE Delft Institute for Water Education offers SIDS Scholarships for the MSc Programme in Water and Sustainable Development, targeting professionals from Small Island Developing States. The scholarship covers tuition fees, insurance, international travel costs, and a monthly allowance of €1,220 for living and accommodation expenses during the study period. Eligibility extends to nationals residing or working in eligible SIDS countries. The application deadline is 01 June 2026. SIDS Scholarship