Environment & Energy Report

Pa. Town Gets OK to Use Trees, Vegetation to Curb Sewer Overflow

Dec. 21, 2017, 9:07 PM

A small Pennsylvania city will be able to use trees, vegetation, and other features that mimic nature to help reduce sewer overflows into the Conestoga River under a revised control plan that could save it up to $160 million.

Lancaster, a city of about 60,000, signed an agreement with the U.S. Justice Department that will allow it to incorporate elements of green infrastructure during the next few years—including green roofs, porous pavement, and roadside swales.

The city’s five combined sewer outfalls overflowed at least 392 times during the past five years, discharging nearly 3.8 billion gallons...

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