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Outfall repair program

Outfalls Repairs
Outfalls are exit points by which storm water leaves the pipe system and enters the river. There are more than 800 outfalls located across Calgary.

After the June 2013 Flood, The City of Calgary inspected the Bow and Elbow Rivers and Fish, Nose and West Nose Creeks for significant damages to outfalls and riverbanks.

We identified 161 outfalls on the rivers and 53 outfalls on the creeks with damage and prioritized them for repairs.

About the projects

Repairs to outfalls include removing existing vegetation, grass and shrubs from the outfall. Replacement or repair of cracked concrete aprons.

Placement of bedding gravel and rip rap will be added to provide erosion protection for the outfall and the River or Creek. This also helps to reduce turbidity. The measurement of turbidity is a key test of water quality.

 

Project Updates

Mid-August 2021 – April 2022

River access and pathway detours

Starting mid-August we will be repairing outfalls E63 and E64 located on the west bank of the Elbow River, adjacent to the Glenmore Water Treatment Plant and across from the Calgary Golf and Country Club.

August – October 2021 – the east pathway around the Glenmore Water Treatment Plant will be closed. The detour will be via the west pathway.

August – April 2022 – There will be no access to the Elbow River between the Glenmore Reservoir and downstream of the construction area. Signage will direct users to Sandy Beach.

View the information notice for more information.

As a part of our flood recovery work, we are repairing the following outfalls:

Completed in 2018

  • B32
  • B34
  • B36
  • B68
  • B69
  • B74
  • B75
  • B77/78
  • B79

Completed in 2019

  • E38
  • E40
  • E43
  • E54
  • E63/E64
  • N10
  • N31
  • N41

Completed in 2020

  • B119
  • E40

In progress

  • E63/E64 - estimated construction fall 2021
  • N13A - estimated construction fall 2021
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