SIOUX CITY (KTIV) - Sioux City’s Wastewater Treatment Plant is getting plans in place for what’ll be one of the city’s largest capital investment projects in total, clocking in at around $450 million.

then your sewage comes to Southern Water’s Portswood Wastewater Treatment Works. The plant on Belgrave Road treats sewage before passing it out into the River Itchen - and the Echo got to look around ...