Ile theory ya ati the problem began after GDC drilling kule Menengai and Olkaria 2 unaionaje?
The timelines of GDC commencing Menengai drilling and the problem have similarities.
It is said that the massive drilling by GDC in Menengai and Olkaria destabilized the underground water pressure levels, and thus the rise in water levels in lakes Naivasha, Nakuru, Bogoria et al.