Mosaic's K3 potash mine in Esterhazy was completed in 2022. (Mosaic)

By CJME News Staff

mining activity halted

Employee fatally injured at Esterhazy Mosaic mine

Dec 15, 2025 | 12:00 PM

An employee is dead after a “fall of ground incident” at the Mosaic K3 potash mine in Esterhazy on Monday morning.

No further injuries have been reported, the company noted in a statement.

Mosaic’s said its emergency response team was activated to respond to the fatal incident.

“The site has now been secured and all mining activity has been temporarily halted. A full investigation is underway and Mosaic is working closely with all regulatory authorities,” the mining company said in a statement.

“Support services are being provided through the company’s Employee and Family Assistance Program.”

Made in Saskatchewan

Find My Plus One: The Canadian App for Getting Out and Living Your Best Life

Mar 09, 2026

Riderville

Ask Not for Whom the Ed Hervey Tampering Window Opens!

Feb 02, 2026

Seniors Scene

New Year - New Habits

Feb 02, 2026

Mosaic said the safety and wellbeing of employees is its top priority.

“Our thoughts go out to our colleague’s family and friends, all employees, and the broader community. We ask that the family be given privacy at this difficult time,” the company added.

More to come.