The accident was reported early Sunday evening. The car went off the road, overturned and ended up upside down in the water.
The emergency services have removed one person from the car.
An ambulance has loaded a person who is being taken to hospital. The extent of the injuries is unclear, says Ulf Gille, command operator at the rescue service.
It is not known how many people were in the car. Divers have searched the car and its surroundings without finding anyone.
