Calgary water use drops from 'red' to 'yellow zone' - Action News
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Calgary

Calgary water use drops from 'red' to 'yellow zone'

Saturday's water demand dropped slightly to 496 million litres, which still leaves water plant system strained, says city.

After several days of 500-plus million litres of water use, Saturday saw drop to 496

Construction workers watch as concrete is poured into a hole where a water pipe is being repaired.
Concrete pouring takes place at a water feeder main construction site on 33rd Avenue N.W. (City of Calgary)

After several days in which Calgarians were consistently using more than 500 million litres of water, Saturday sawa reduction of nine million litres from the day before, bringing the total down to496 million litres.

In the city's regular update on the water situation Sunday afternoon,Calgary'sdirector of climate andenvironment, Carolyn Bowen,said this level of demand puts the city in the "yellow zone," which indicates a strained water plant system while the main feeder pipe is out of service for critical repairs.

"When demand trends between 485-500 million litres, which is our yellow zone, the plant is working harder and preventive maintenance activities are more challenging to complete, increasing the risk of an operational failure," Bowen said during the afternoon livestream.

The city would like to see consumption levels in the "green zone," which means usage below the target of 485 million litres per day. Bowen says this allows for safe and sustainable operations of the Glenmore Water Treatment Plant.

With the Bearspawfeeder main out of service, the Glenmore plant is producing approximately 70 per cent of the city's water supply. Normally at this time of year that figure would be30 per cent, with Bearspaw producing the rest.

Bowen thanked Calgarians forbringing consumption levels outof the "red zone," where they hadbeen sitting for much of the past week.

"When we enter the red zone above 500 we begin running the risk of not being able to keep up with demand and it starts to become increasingly difficult to recover water storage in our underground storage tanks," she said.

Calgary has been under Stage 4 outdoor water use restrictions since August 26. This means no potable water use is permitted outside the home.

For more details on whatis and is not allowed under Stage 4 restrictions,visit the city'swebsite.

As of Sunday, Bowen said 26 tickets have been issued for violating the city's outdoor water restrictions.The fine amount for a ticketis $3,000.

She said repair work on the main water feeder main remains on schedule,with repairs completed on 12 of the 21 pipe segments.