الوكالة الفرنسية للتنمية
In August 2010 the Athi Water Services Board presented a 24-year, US$1 billion master plan to more than double surface water supply to Nairobi by delivering an additional 750,000 m3 of water from the Irati, Gikigie, Maragua and other rivers north of Nairobi. Financing is expected from the French Development Agency and the World Bank.