Water Treatment and Distribution

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Water Treatment

The City of Medicine Hat Water Treatment Plant draws raw water from the South Saskatchewan River, part of the South Saskatchewan River Basin (SSRB), and through the treatment process potable water is released into the water distribution system for our consumption.

The South Saskatchewan River Basin is comprised of four sub-basins being the Bow, Oldman, Red Deer and South Saskatchewan Rivers. All of the basins begin in the Rocky Mountains, generally flowing eastward through the foothills and prairie. The combined watershed of the basins is 121 095 km2, of which 41% is from the Red Deer sub-basin, 22% to the Oldman, 21% to the Bow and 16% to the South Saskatchewan. Major urban centers in the basin include Calgary, Lethbridge, Red Deer and Medicine Hat.

Water Source Information

In a nutshell, water from the South Saskatchewan River is drawn into the Treatment Plant through intakes at the bottom of the river. Raw water pumps transfer the water through screens, Solids Contact Units (SCUs) and dual media filters. The filtered water is then transferred to clearwells where the chlorination process is completed. The chlorinated water is then moved through the Ultraviolet Light Disinfection system before being pumped into the distribution system. Alberta Environment and Parks regulates that a chlorine residual must be maintained in the potable water to prevent contamination within the distribution system.

A full description of the treatment process can be found on the Water Treatment Process page of the website.

Distribution System

The City provides potable drinking water to customers by way of the water distribution system and is responsible for the installation and maintenance of water mains, City service lines, main valves, curb stop valves at property line as well as the water meter asset.

Field Operations crews in Environmental Utilities maintain and operate the water distribution system, with approximately 430km of water mains and more pipe being added each year. The water mains lead to and from booster pump stations and reservoirs with the endpoint being your home or business.

Additional Information

 

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