City concerned about strain on Calgary's other water treatment plant

After dipping below the threshold of unsustainable water usage for one day, Calgary is back up into the red area and officials are concerned about the pressure that's putting on the city's secondary water treatment plant. The city's potable water demand data, updated Monday morning, indicates residents and businesses used 509 million litres of water on Sunday.Sign up for breaking news alerts from CTV News, right at your fingertips The information you need to know, sent directly to you: Download