An Alberta oilfield services company has been fined nearly $450,000 for unsafely storing and illegally profiting from industrial sewage it was not authorized to accept.

In a decision issued last week, Red Deer-based Terroco Industries Ltd. was penalized by the Alberta Energy Regulator for a string of infractions dating back to the summer of 2023. 

The investigation found the company was unlawfully profiting from the storage of industrial sewage at its subsurface well disposal site in Stettler, Al…