WEF Fact Sheet Focuses on Removal of Private Property Infiltration and Inflow
In September, the Water Environment Federation Collection Systems Committee released a fact sheet on reducing private property infiltration and inflow (PPII). Infiltration and inflow (I/I) of extraneous stormwater and groundwater to sanitary sewers can overwhelm the conveyance capacity of sewers and is a significant cause of system overflows. Sewer laterals, which connect buildings on private […]
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