BONNERS FERRY, Idaho (AP) — Idaho authorities have confirmed two engines are still in a northern Idaho river after a rock slide derailed a train on New Year’s Day.

A crew of divers began the process of removing about 1,900 gallons (7,200 liters) of fuel from a submerged locomotive Monday, The Spokesman-Review reported. The other locomotive is on the river bank, officials said.

The rock slide derailed three locomotives and six empty rail cars Wednesday before the locomotives began leaking diesel fuel into the Kootenai River in the remote area 10 miles (16 kilometers) east of Bonners Ferry, authorities said. The train track was re-opened Saturday.

Environmental Protection Agency officials setup thousands of feet of containment boom in the water to protect environmentally sensitive areas, authorities said.

The amount of fuel already leaked into the river is unknown.

Boundary County Emergency Management officials urge residents not to use water directly from the river but have said the local drinking water supply was not affected.

BNSF Railway Company has not confirmed when the locomotives will be removed from the area.