After decades of talk and planning, ALCOSAN’s Clean Water tunnel project is finally underway. It’s the biggest public works project in the history of the region — a plant expansion and 15 miles of underground tunnels costing $4.5 billion and counting.
With the first movement of dirt, this mammoth project is finally underway. On the North Side, a site is being prepped for the digging of an access tunnel 70 feet in diameter into which a giant boring machine will begin tunneling 15 miles under and along our three rivers.
“It is a big deal for the region here,” said Amanda Mueller with ALCOSAN. “We’re looking at three tunnels, one underneath each of our rivers.”…