Bull sharks in lakes?

Question

Would it be possible for a bull shark or any type of shark to make its way to lake havasu or lake powell?

Answer 1

Yes, definitely.

Actually a great white shark has a summer home in Lake Havasu, under the London Bridge. He likes to wear pasties.

Answer 2

Scientifically Yes, but it is so very unlikely the odd are ccatastrophically against it.  The bull shark is the only kind of shark that can survive in fresh water, but the distance from the ocean to you lakes, is 214 miles of river. A shark could swimt hat, but he would be discovered long before finishing the trip...You didn't specify what state you are in so i'm assuming its CA