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Sunnyside Community Drainage Improvement Projects

Sunnyside is one of many communities in Calgary that experiences localized flooding during storm season, due in large part to an outdated drainage system. In 2010, the City launched the Community Drainage Improvement (CDI) program to study why certain communities experienced flooding issues.

Drainage improvement projects

Current projects

Upcoming projects

Centre Street Gravel Bar Modification - expected construction to start Summer 2020

Completed projects

  • 14 Street N.W. Alleyway Drainage Improvement Project
  • Sunnyside Sanitary Lift Station Replacement (725 3 Street N.W.)

CDI program study findings

The study recognized that a combination of stronger storms and a larger population have reduced our storm system's ability to handle heavy rain. Older communities built with only a single drainage system were more prone to flooding, so our engineers looked at each community and have come up with unique solutions to improve drainage in Sunnyside.

For more details on the engagement process for these projects, visit our engagement page.