(August 26, 2016 ) – For many who live along the Salt Fork and Arkansas rivers in northern Oklahoma, the water is an integral part of life.

"I've enjoyed my whole life on the river. It's been very nice. It's a beautiful place until all this starts happening," said Larry Champlin.

But just this past weekend, no one would have wanted to be on the water.

"It was solid fish, thousands of fish. Stunk, stunk real bad," said Timmy Glaser.

Larry Champlin and Timmy Glaser regularly hit the water in their airboats.

But several years ago, that changed.

"Over 5 years, we've had 20 spills or 20 fish kills,...