Water well project Tanzania: is there anyone with knowledge of well yield from the granite bedrock in the Moita area west of Arusha, Ngorogoro?

There is a project plan to provide a 130m deep well in this area but I am concerned about the transmissivity of the underlying granite. I have no info on the condition of the rock, or any aquifer...

16 June 2017 5,013 7 View