Northern Water Collector Tunnel Almost Complete Ahead Of June Launch Construction of the Northern Water Collector Tunnel is 91 percent complete, Cabinet Secretary for Sports Amina Mohammed has said. Four Cabinet Secretaries led by Amina visited the multi-billion World Bank-funded project at Makomboki in Muranga County on Tuesday and ascertained that the tunnel will be launched before June of this year. The CS said phase one of the project will be complete by 30th April of this year as piping is ongoing from the Kirogo water treatment to the Gigiri area in Nairobi where the main tank is constructed. The National Development Implementation Communication Cabinet Committee led by Amina lauded the efforts put in to ensure the project is complete in due course.