![DC Water Tunnel Saves Anacostia River from 4.5 Billion Gallons of Overflow in 2018](https://cole-mswmag.imgix.net/https%3A%2F%2Fwww.mswmag.com%2Fuploads%2Fimages%2Fjr-dc-tunnel.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=6d3de95266a0b00bace169a096793847)
A segment of a tunnel-boring machine is lowered into a tunnel as part of DC Water's Anacostia River tunnel project. (Photo Courtesy of DC Water)
Last year, DC Water opened the first 7-mile segment of its Anocostia River Tunnel system — a massive storage structure for combined sewer overflow that officials now say saved the Anacostia River from 4.5 billion gallons of sewage overflow and 900 tons of trash in 2018.
For...