Calgary Prepares to Restore Water Supply as Bearspaw Feeder Main Repairs Near Completion

Sarah Bouchard, Energy & Environment Reporter (Calgary)
4 Min Read
⏱️ 3 min read

Calgary is on the cusp of restoring its primary water supply, the Bearspaw South Feeder Main, which has been undergoing critical repairs since March 9. The City has announced that water refilling is complete, and testing is underway, with hopes of lifting the month-long water restrictions within days. As residents await the return of their regular water service, the city is implementing measures to ensure the safety and reliability of the water supply.

Water Testing Underway

Michael Thompson, the City of Calgary’s general manager of infrastructure services, confirmed that the water quality is being rigorously tested to meet or surpass regulatory standards. “These tests take time, and we are continuing this work throughout today,” Thompson stated. The city plans to reopen the valves and activate the pumps at the Bearspaw Water Treatment Plant as soon as testing confirms the water is safe for consumption.

Thompson indicated that if everything proceeds as expected, the restrictions could be lifted by Thursday, April 2. “Once testing shows that the water is safe, teams will coordinate the opening of valves along the pipe and begin to turn on the pumps,” he added.

Impact of the Repairs

The Bearspaw South Feeder Main typically supplies approximately 60 per cent of Calgary’s water. However, since its closure, the city has relied heavily on the smaller Glenmore Reservoir to meet its water needs. With total water usage on Sunday reaching 500 million litres—of which 12 million litres were used to refill the feeder main—Calgarians have managed to stay well within sustainable consumption levels.

As the city prepares to restore the flow, residents may experience temporary cloudiness in their tap water, which is expected to clear within 24 hours. Thompson reassured citizens, stating, “The water is safe to drink.”

Mitigating Risks

The city is taking precautions to manage potential risks as the feeder main comes back online. Increased pressure in the pipes could lead to further breaks, prompting the installation of temporary barriers in Bowness and Montgomery to protect homes and businesses from potential flooding. These barriers will direct excess water into the Bow River, thereby minimising damage.

Furthermore, the city is set to deploy a specialised mechanical tool known as a pipe diver for an internal inspection of the feeder main after it resumes service. This will involve a temporary halt in water flow to ensure the system’s integrity and safety before fully reactivating the supply.

Looking Ahead

As Calgary navigates through these repairs, the city has allocated a significant budget of £609 million for upgrades to the feeder main and overall water system improvements. This investment is aimed at bolstering the city’s infrastructure to prevent future service disruptions and to enhance the resilience of Calgary’s water supply.

Why it Matters

The resolution of this critical infrastructure challenge is vital for Calgarians, not only for daily convenience but also for public health and safety. As the city gears up to restore its primary water source, the proactive measures being taken demonstrate a commitment to ensuring that residents have access to safe and reliable water. The recent challenges have highlighted the importance of maintaining robust infrastructure, offering a reminder of the delicate balance between urban development and environmental stewardship.

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