You’ve heard the phrase “I&I,” but do you truly know how much they influence your collections system daily and, ultimately, how they determine where the increased budget you are going to need will be spent? Like a pandemic, I&I starts off small and silent but, if left uncontrolled, they will become the most influential factor on the operation, maintenance and condition of a system.So, let’s define it. The term “I&I” stands for “inflow and infiltration.” Inflow is the surface water that enters a wastewater collection system through roof, yard and footing drains. It also comes from storm drain cross-connections and
