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D.C.'s $583 million sewer overflow prevention tunnel now active

    Peter R. Morgan

    , the $583 million Northeast Boundary Tunnel has officially gone into service, marking the completion of the largest segment in a five-part, $2.7 billion system aimed at combating chronic sewer overflows throughout the city,

    https://undergroundinfrastructure.com/news/2023/september/dcs-583-million-sewer-overflow-prevention-tunnel-now-active

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