The Knoxville Utilities Board (KUB) of Knoxville, Tenn., is engaged in an assertive program to renew its wastewater infrastructure. The effort consists of a two-pronged attack. The first focuses on system enhancement, rehabilitation and replacement. The second concentrates on operating and maintaining the system, including an emphasis on effective root control.
The utility was founded in 1939 as a provider of water and electrical services. Gas service was added in 1945, and KUB assumed wastewater services from the City of Knoxville in 1987. KUB is an independent agency of the city and funds its operations through ratepayer revenues.
By the late 1990s,
