Since we were unable to reach the villages upstream, we cannot establish whether the river had water catchment or storage facilities upstream.
Maasai have complained that settlement in the drought-prone area by Kipsigis has harmed water catchment for the Ewaso Nyiro river, which the Maasai use to water their cattle.
Owen, who also helps with the construction, says the catchment will have a water filtration system.
With a spigot and carefully fit top and screen, wooden wine barrels and recycled food-grade plastic barrels also can be made into water catchment devices.
Large areas of the rock are covered in concrete for catchment which is then channelled into huge underground reservoirs.
My job was to assess the water flows and catchment yields of these various areas, so I know them well.
Our experience with the lakes restoration project in Bangalore last year has proved that cleaning and desilting of large reservoirs improves catchment and water storage capacities.
water catchment continues the whole year round
We supply our own water catchment in tanks, from springs and dams.
As delighted as I am to see proper little homes being built at the informal settlement, I am struck by the lack of provision for water catchment .