The new TV season of Building Wisconsin is underway in Milwaukee! In this week’s episode, we’ll meet up with Justin Castleman from Plumbers 75 contractor Castleman & Sons Plumbing along with Bill Graffin from the Milwaukee Metropolitan Sewerage District to learn more about cleaning, inspecting and repairing sewer laterals. Tune in Saturday, April 19 at 5:30 am on WTMJ TV-4 or Sunday, April 20 at 8:00 am on WVTV TV-18.