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October 9, 2018

Winter rock salt in serious short supply

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Milton, Ont. — North America is facing a salt shortage before winter has even begun. How could this happen?

Three mines supply most of North America’s road salt. The largest mine is located beneath Lake Michigan at Goderich, Ont. Most of the rock salt is distributed throughout the Great Lakes by ship during the summer months. So why is rock salt in short supply?

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  • Population and salt demands are growing exponentially. Our society expects safe communities, without inconveniences, and will not tolerate liability for unsafe conditions; hence the growing demand for rock salt exceeds annual production levels.
  • The winter of 2017/18 was particularly tough, including an ice event in April, consuming all available salt and depleting reserves. There is normally 30% held in reserve from one year to the next.
  • Compass Minerals operates the world’s largest salt mine at Goderich, Ont., marketed under the Sifto brand. The Compass mine experienced a labour strike this year, diminishing production.
  • Another major mine, operated by Cargill, experienced flooding in its shafts, with possible long-term implications.
  • The Canadian Salt Company mine is trying to pick up the contractual obligations of the first two.

Most provinces, states, regions and municipalities have  ordered 10- to 20 per cent more salt, based on  last year’s experience. Governments and those who maintain infrastructure (airports, roads etc.) are given first priority with supplies. This leaves small users, such as private contractors, out in the cold. Many have received limited or “NO SALT” notices. Without an assured supply of salt, contractors are being forced to abandon contracts due to liability exposure.

Efforts are being made to bring salt from around the world but type, quality and logistics means that even at substantially higher prices the gap will not be filled. The shortage will be an ongoing social issue with no firm answer. However, snow and ice management professionals associated with Landscape Ontario are working together to promote optimum safety for all.

Landscape Ontario Horticultural Trades Association is one of the most vibrant associations of its kind, comprised of over 2,500 members, 10 sector groups and nine local chapters. Its trade mission is to promote the horticulture industry in Ontario, and its public mission is to promote the joys and benefits of green spaces. For more information visit www.landscapeontario.com.


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