Ouverson Sewer and Water owner Troy Ouverson (far right) and staff liner technicians (from left) David Allen, Matt Allen, and Scott Theisen stand in the company’s Loretto, Minnesota, headquarters in front of an Isuzu 2012 NPR box truck, left, and a 20-foot lining trailer pulled by a 2015 Ford F-450 utility box truck.
In the summer of 2015, Troy Ouverson — the owner of Ouverson Sewer and Water, a pipe lining and repair company in Loretto, Minnesota — encountered a job that tested his employees’ skill and mettle.
The problem: a ruptured 4-inch-diameter residential lateral line that apparently...
