 Only one Water Services Providers (Nyeri) met the benchmark set by the Ministry of Water and Irrigation with levels of NRW of less than 20%.In Nairobi NRW levels were 39%, in Mombasa 48%.Based on the unit cost of production, the nationwide losses due to non-revenue water in 2014 were estimated at 5.2 billion KSh, equivalent to US$52 million.