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Water supply and sanitation Grants

US$ 100,000 grants are available for innovative non-networked sanitation technologies for the urban poor. “Create the Next Generation of Sanitation Technologies

is one of topics in Round 7 of Grand ChallengesExplorations, a US$ 100 million grant initiative of the Bill & Melinda Gates Foundation. Proposals are being accepted through May 19, 2011 at 11:30 a.m. Pacific Time.

The sanitation call focuses on four specific challenges:

  1. Unhygienic and inadequate pit/tank emptying and extraction;
  2. Recovery of energy from communities’ fecal sludge;
  3. Inappropriate sanitation solutions for areas challenged by an abundance of water (e.g. communities that face seasonal flooding, high groundwater tables, riparian or tidal communities, etc.);
  4. Easy to clean, attractive and affordable latrine pan / squatting platform technologies that enhance latrines

Proposed ideas must ultimately be designed for low income urban settings such as slums, informal and formal peri-urban settings, or dense rural settings in Sub-Saharan Africa and Asia where demand for fecal sludge emptying and treatment are high.

Successful projects have the opportunity to receive a follow-on grant of up to US$1 million.

Innovations can be new ideas or important improvements to existing solutions. Proposals must provide an underlying rationale, a testable hypothesis, and an associated plan for how the idea would be tested or validated.

Proposals are being accepted online at

Read the application instructions.

Read full details of the Create the Next Generation of Sanitation Technologies challenge

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