Jeff Knutson, manager of the St. Peter wastewater treatment plant, shows state senators and Senate staff some wastewater prior to undergoing the state-of-the-art filtration process at the facility. Senators experiencing the sights, sounds and smells included, from left, Sens. Jim Vickerman of Tracy, Gary Kubly of Granite Falls, Kathy Sheran of Mankato and Sandy Rummel of White Bear Lake.
John Cross / The Free Press