One of the primary concerns the province expressed in recent court filings about Trevali going bankrupt or into receivership was the need to treat acidic water at the mine and to pump water out of the underground portion of the mine. The filings say that without security, there was a risk thieves could interrupt the mine's power supply and halt water treatment, which could cause environmental damage.
Alberta’s ‘back door’ plan to free up billions of litres of water for coal mines raises alarm
In Alberta, water users are granted the right to withdraw water from rivers and streams through a licensing system. In some watersheds, including the Oldman, that system is closed. There’s a finite amount of water available, and all of the licences are spoken for. The issue is not new. A water policy directive created by the Alberta government in 2006 found “limits for water allocations had been reached or exceeded on the Bow, Oldman and South Saskatchewan River sub-basins, putting at risk Alberta’s obligation to provide water to neighbouring provinces and conserve the aquatic ecosystem.”