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DelCorps outlines $300 million plan to cut combined sewer overflows in Chester
Summary
DelCorps presented a long-term control plan to reduce combined sewer overflows (CSOs) in Chester by focusing on the Ridley and Chester creeks, using sewer separation, deep linear storage tunnels and repairs; the authority said the $300 million program would be shared across all DelCorps customers and aims to cut overflow frequency to about six events per year at treated locations.
DelCorps on Monday presented a long-term control plan to the City of Chester that it says will sharply reduce combined sewer overflows into Chester Creek and Ridley Creek, relying on targeted sewer separation, deep underground "linear storage" tunnels and widespread repairs to leaky lines.
"We are DelCorps," said Michael DeSantis, introducing the proposal and noting the plan has been submitted to the U.S. Environmental Protection Agency, the Department of Justice and the Pennsylvania Department of Environmental Protection for review. DeSantis said the plan does not ask the city to change sewage facility planning and that DelCorps expects regulatory approval after review.
The plan combines two main approaches, Charlie Hurst, DelCorps' director of engineering, told residents and city officials: run limited, strategic new separated storm and sanitary pipes in neighborhoods with…
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