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Ward 7 News: New Drainage Improvements for Rosemont

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Ward 7 official website

We are excited to let you know that work on long-awaited drainage improvements in Rosemont are scheduled to begin in mid-to-late August.  Upon completion, the improvements will protect the community from flooding during and a one in a 100 year weather event. The project plan is based on studies and community input on how best to deal with water from significant precipitation events. 

The City will be mailing project information to the affected residents in the near future. Councillor Farrell and her staff will be working with your community association on any additional engagement.  We will send out additional information as needed.  Below is detailed project information.  For more information, please send an email to


Project Name: Rosemont Community Drainage Project

Project Description:

The City of Calgary’s Community Drainage Improvement Program delivers stormwater infrastructure upgrades in older communities that were built before the use of modern drainage techniques and standards.  Major rainstorms in 2007 revealed stormwater drainage concerns in the community of Rosemont.  The Rosemont Drainage Improvements Study Project was completed in 2012 identifying several potential ways to improve drainage in the community of Rosemont.  The upgrades will ensure the storm trunk can to accommodate peak flows for a one in 100 year rain event.

Project Schedule: Mid August 2015 - estimated construction start.  The project is expected to take 14 weeks to complete

Construction Details and Anticipated Short-term Impacts:

Construction will take place in three sites: 

Rosehill Drive & 10 ST NW
• Existing stormwater pipe will be twinned with a new 900mm stormwater pipe
• Existing catchbasins along Rosehill Drive, Rosewood Road, Rosetree Road and Rosery Drive will be relocated and twinned to allow for more efficient and effective flow capture during rain events
• 10 - 12 existing catch basins will be twinned
• New raised roadway crossings will be installed along Rosehill Drive and Rosery Drive to create artificial trap lows to allow more flow to be captured in catchbasins
• Sections of the back lane will be paved for water quality and to contain flow within the lane
• Repair to existing outfall in Confederation Park

Cambrian Drive NW
• New raised roadway crossings will be installed at the intersections at Rosetree Drive and Rosewood Drive along Cambrian Drive/10 Street

14 Street NW
• Existing stormwater pipe will be upgraded from 375mm to 525mm

Customer/Stakeholder Impact:

• Traffic impacts/closures on Cambrian Drive/10 ST and 14 ST NW and Rosehill Drive
• Parking impacts on Rosehill Drive
• Traffic increase along Rosehill Drive (dependant on detour)
• Temporary disruption to back lane traffic
• Confederation Park parking lot and small section of pathway along 10 ST NW will be closed
• Park usage may be impacted during outfall work
• No impact to services



This content represents the personal views and opinions of the Ward Councillor and should not be taken as a statement of policy of The City of Calgary. The inclusion of any external content does not imply endorsement by The City of Calgary.

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