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2mo ago

Calgary Sets Monthlong Shutdown of Key Water Main, Reinstates Restrictions Starting March 9

Officials will reinforce nine deteriorating pipe segments to keep service stable until a new parallel line comes online in December.

The City of Calgary will be puttign water restrictions in place again starting Mar. 9 while it shuts down the Bearspaw South Feeder Main again, starting March 9, to do repairs of several sections of the pipe along 16 Avenue Northwest near Sarcee Trail.
Work continued on the Bearspaw South Feeder Main replacement project near 16th Avenue and Shaganappi Trail N.W. on Monday, March 2, 2026.
Calgary Mayor Jeromy Farkas speaks outside of city council chambers, in Calgary, Tuesday, Feb. 3, 2026. THE CANADIAN PRESS/Dayne Patterson
Calgary Mayor Jeromy Farkas speaks at city hall on Monday, March 2, 2026 regarding the ongoing repairs to the Bearspaw South Feeder Main and construction on its replacement.

Overview

  • The Bearspaw South Feeder Main, which supplies about 60% of Calgary’s treated water, will be taken offline March 9–April 9 for targeted reinforcements along 16 Avenue NW near Sarcee Trail.
  • No outdoor water use will be allowed, with mandatory indoor conservation for Calgary and neighbouring Tsuut'ina Nation, Airdrie, Chestermere and Strathmore.
  • The daily consumption cap has been raised to roughly 500 million litres, with guidance for three‑minute showers, flushing only as needed and running appliances only with full loads.
  • Most supply will come from a single treatment plant during the outage, creating higher risks including limited firefighting capacity and possible boil‑water advisories if pressure drops.
  • Crews begin removing medians and setting detours this week, including keeping the westbound 16 Avenue NW exit to Sarcee Trail closed, as the city accelerates a parallel steel replacement pipe due in 2026.