The startup has been mostly self-funded, but has been selected into the USAID Development Innovation Ventures program, which is supporting its operations for the next couple of years. Triple Bottom Line (3BL) Enterprises is working on a project called Flowius, which builds tech-managed, piped water systems so “radically affordable” that rural Ethiopians living on US$1.50 a day can get water where they want it most – in their homes.