Ben's iSearch

The African Well Fund
The African Well Fund is a non-profit organization that builds and maintains wells around Africa. Based in the United States. All donations go immediately to Africare, which is the leader in private organizations assisting Africa. The African Well Fund and Africare have helped over 35 African Countries.
http://www.africanwellfund.org/

Water Wells for Africa
Water Wells for Africa is a non-profit organization that works specifically in Malawi, Africa building and sustaining the wells. Each well serves 2000 people each day. They have built 100 wells in the last decade. The vision for this organization is to travel every summer to Malawi and fix the wells that have fallen apart.
http://www.waterwellsforafrica.org/

1008 Wells Foundation
This organization was made to develop wells in the rural parts of India and to maintain the condition of the wells that are already there. This organization is also a little religious so it may not work out. They are now partnered with the World Neighbors Organization which is also non-profit.
http://www.1008wells.org/about_1008wells.htm