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Abhishek Mendiratta uploaded the file: Kitchen Gardening to 1.3 Contribute to hygiene and health through water and sanitation 1 year, 8 months ago
The fruits and vegetable gardens have also been developed near hand pumps to utilize the waste water from hand pumps in growing nutrient fruit and vegetables.

That is a very smart thing to do! May be you can develop it further and submit it as a solution.
Thanks for comments,Solution is published.Please find the link below:-
http://www.solutionsforwater.org/solutions/kitchen-gardening-solves-the-problem-of-malnutrition-2