On the lake, in the field, in the lab and at the office, OWASA's diverse team proudly manages the community's water and wastewater systems. Valve Maintenance Crew Leader Marcus Fuller knows Carrboro-Chapel Hill's water works inside and out. Over nearly two decades, he has helped to build, maintain and upgrade the community's water system.Agua Vista Portal‧My Service‧Water Watch‧Staff Information‧Customer Service‧Meetings.