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What is inflow and infiltration?

Did you know? | Inflow and infiltration are common problems in aging sewer systems. As sewers age, cracks form and rain and groundwater rapidly seep into them (infiltration, as seen above). Another problem is inflow, where downspouts or storm lines are improperly connected to sanitary sewers. As a result, the Sewer District receives and treats this additional wastewater which is above and beyond our customers’ metered consumption.