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Sanitation Financing Partnership Trust Fund

What is the fund?

The Sanitation Financing Partnership Trust Fund was established on 25 July 2013 when the Bill and Melinda Gates Foundation signed a channel financing agreement with ADB. This trust fund is under the Water Financing Partnership Facility (WFPF).


  • To support identification, testing, and pilot implementation of innovative non-networked (non-sewered) sanitation solutions, such as new policies, business models, and technologies 

  • To increase lending for non-networked sanitation, including septage management in ADB’s developing member countries

What is the fund?


The different types of projects that can be supported by the fund include the following: 

  • Piloting innovative sanitation technologies ·

  • Septage management and sludge treatment policies  

    • Piloting waste-to-energy technology for sludge management o Establishment of policy support for the use of sludge for composting  

    • Enable policies for better septage treatment, with emphasis on methods for guaranteeing septic tank desludging services uptake

  • New project delivery mechanisms

    • Introduction of output-based aid

    • Review of life cycle cost for sanitation systems, including consideration of centralized versus decentralized solutions; inclusion of capital and operating expenditures in technology evaluations

Who supports the fund?

The Bill and Melinda Gates Foundation supports the fund, contributing $15 million under a channel financing agreement.

Who is eligible to receive the fund?

All ADB developing member countries are eligible for support for projects and activities, especially those prioritized under ADB’s Water Financing Program. First priority will be given to Bangladesh and India. Second priority countries are Indonesia, Philippines, and Viet Nam. Other countries may be considered based on need, in consultation with the Foundation.

What is the support or selection criteria?

Project proposals should demonstrate innovation, have a pro-poor focus, and mostly include software and only limited hardware components, among others. The fund management team then determines the most effective modality for the project to be supported, and the team can also provide advice on the design of the technical assistance or loan components, as well help prepare required terms of references. The project proposal is submitted to the WFPF Steering Committee for approval.

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Vijay Padmanabhan
Director, SEUW concurrently Chief of Urban Sector Group
Anna romelyn Almario
Wastewater Management Specialist, Consultant
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