Nearly a football field below the surface of the Citizens Energy Southport Wastewater Treatment Plant is a huge, man-made ...

Citizens Energy Group's DigIndy Tunnel System nears completion in Indianapolis, addressing sewage overflows and modernizing the city's aging sewer system.

INDIANAPOLIS, Ind. (Feb. 18, 2015) – The cavernous “Dig Indy” tunnel project currently underway beneath the streets of Indianapolis is on the verge of growing even larger. Since 2013 ...

After a difficult, contentious weekend at the 2025 U.S. Open, Rory McIlroy was ready to get out of Pennsylvania. McIlroy, 36, finished in a tie for 19th place at Oakmont Country Club on Sunday, June ...

The DigIndy sewer overflow project created nearly 30 miles of wastewater tunnels deep beneath Indianapolis, beginning in 2012. The last tunnel work should finish this year.

Dig Indy contractor S-K JV rebuilds a tunnel boring machine to get ready for the next phase of the $1.9-billion water program in Indianapolis. Mining will involve the 5.8-mile-long White River and ...

One of their significant achievements is the completion of the Dig Indy tunnel system, which has already diverted over 6 billion gallons of wastewater from local rivers.

And Indianapolis’ tunnel is far from alone. ... It was built back in the 1970s and spent most of its career digging tunnels for the New York City subway system.

While Indianapolis’ limestone is favorable for tunneling, getting to it poses perhaps the biggest challenge. Along the length of the tunnel system will likely be at least 10 access shafts.