Key Take Aways From EP11: “How Inflow and Infiltration Impacts Your Collection System and Wastewater Treatment Plant”

Inflow and Infiltration (I&I) is a critical factor that impacts wastewater collection systems and wastewater treatment plants. Simply put, I&I refers to stormwater and groundwater that unintentionally enters the sewer system. This usually happens via illegal connections, cross connections, foundation drains, roof drains, broken lines, unsealed manholes, or root infiltration.