One of the largest wastewater programs in the U.S.

In March 2019 I went onsite in St. Louis, Missouri to document a mammoth 28-year program overhauling the area’s wastewater system. A series of tunnels was being built deep below the city and in some cases right alongside the Mississippi River.

Read the article published in Tunnels & Tunneling North America.


Photo: Ulrich Brinkmann, www.ulrichbrinkmann.com