Southern Alberta Council on Public Affairs (SACPA)

As the largest irrigation district by irrigated acres in Canada, St Mary River Irrigation District (SMRID) has licenses to divert water from the St. Mary, Waterton and Belly rivers. The total volume of SMRID’s allowable diversion is 722,000 ac/ft. or about 890 million cubic meters of water. On average however, the SMRID diverts only around 50 per cent of its total license. One of its licenses now allows for not only water for irrigation as originally conceived, but for other uses such as municipal, industrial, recreational and environmental. It must be noted though, the SMRID does not allow water to be used for well injection. Investment by the district and irrigators to improve the efficiency of transport and application of water to crops has facilitated reduced diversion volumes, while irrigated acreage has increased. Almost all of the reservoirs within the SMRID system have the benefit of opportunistic recreational use. Ridge, Sauder, Forty Mile and Stafford reservoirs are heavily used and some include pu