
Publishing date:
Jul 12, 2020 • Last Updated 1 day ago • 12 minute read
For the past three years, some nine storeys beneath downtown Ottawa, work crews have been tunnelling a solution to one of this city’s oldest problems: sewage.
The combined sewage storage tunnel, the CSST, is designed to hold for treatment sewage-contaminated storm water that would otherwise be discharged into the Ottawa River.
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