The city is using a lot less water than it was about a decade ago.
Calgary’s population has increased by 300,000 people since 2003 but the amount of water drawn out of the Elbow and Bow rivers has dropped by 34 million litres. (212.5ml in 2003, 178.1million litres 2015).
In a report on watershed management, per capita water use is meeting targets but there is concern that peak day demands will increase beyond the targets that have been set. (950ml in 2033).
The city says, going forward, it will look for ways to target high water users in both residential and industrial users to focus on reducing peak day use.
Another positive is that the amount of sediment going into the rivers from storm sewers has also dropped. (In 2015, 39.650 kg/day which is below 2005 level of 41,300kg/day).