There's been another oil spill in Alberta, this time northeast of Edmonton.

The Energy Resources Conservation Board says the leak of heavy crude oil happened Monday at a pumping station on Enbridge Inc.’s (TSX:ENB) Athabasca pipeline about 24 kilometres southeast of Elk Point.

Enbridge estimates about 230,000 liters (approx. 60,800 gallons) has leaked, but the ERCB's Darin Barter said Tuesday that amount hasn't been confirmed.

"It's a significant size spill," said Barter. "Any amount of crude oil out of a pipeline is significant to us. Obviously we've had a number of pipeline incidents in the past short while and we're monitoring cleanup on them and we have a number of investigations underway."

Barter said the pumping station — a 12-year-old facility which is in the middle of a field — has been isolated. He also said the oil has not spilled into any waterways, nor were there any evacuations or injuries due to the leak.