Inside the wastewater treatment plant

When you flush the toilet, it has to end up somewhere. That "somewhere" is the Traverse City Regional Wastewater Treatment plant. The plant, which has been at the north end of Boardman Lake since 1932, is undergoing millions of dollars in upgrades over the next few years. We took a fascinating — and, yes, at one moment quite smelly — journey inside to learn what's going on and why it matters.