By: Michael Errickson, PE, DTC Project Engineer — Many neighborhoods located in the city of Hartford, Connecticut are served by combined sewers conveying both sanitary sewage and storm drainage. Significant rainfall events inundate the sewer pipe network resulting in discharges of untreated sewage directly to the Connecticut River.

The owner of the combined sewer network, the Metropolitan District Commission (MDC) is implementing several different techniques to reduce the occurrence of these overflows.

One such method, installing separate sanitary sewer and storm drainage pipes, was applied at the Tower Avenue South CSO Area on Cleveland Avenue and Main Street.

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