When the Milwaukee Metropolitan Sewerage District selected eight communities in 1999 to be part of a pilot program for reducing inflow and infiltration, there was no telling where the program would be 20 years later.

“I think the program fits into our philosophy in general with where we’re going, which is proactive,” says Jerome Flogel, a senior project manager for the district. “I think it’s important to note we don’t have a consent decree; we’re not being forced...