RRFL with all its expertise employs through EIA in all the projects it undertakes. EIA involves analysis of positive and negative environmental consequences of a project, policy, program, plan or idea before the decision to actuate the proposed actions. RFL has performed EIAs for various development projects like water supply projects, piped water supply systems, agricultural activities, dams, boreholes, tourist camps and cottage industries. RFL has also undertaken EIA for various policies in the Kenyan water sector in collaboration with various government ministries e.g. Ministry of Water and Irrigation.
In hydrology, RFL has provided key technical inputs in relation to the establishment of hydrological impact reports related to dams and establishment of environmental flows.