Portland’s Big Pipe is full again. Here’s how the system works

The $1.4 billion project transformed the city’s sewer system and cleaned up the Willamette. It did not eliminate every overflow.
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More than 10,000 gallons of sewer water overflows in Adelphi

ADELPHI, Md. (7News) — A sanitary sewer overflow in the Adelphi area of Prince George's County on Sunday was caused by a blockage from flushable wipes and heavy rags, according to WSSC Water. More ...