Naperville, Illinois, has been battling stormwater inflow and infiltration in the city’s sanitary sewer collections system for years. But after a natural calamity a couple years ago, the staff of the city’s Department of Public Utilities realized they needed to step up their game.Bringing a new approach to the problem has made a huge difference in just two years, and officials expect to continue reaping the benefits.That new approach includes some new techniques along with some tweaks to other methods they have long relied on. But if there’s a breakthrough — a magic bullet — it’s the realization that there
