The environmental group Tennessee Riverkeeper has analyzed numbers from the Environmental Protection Agency that show companies self reporting their chemical waste that goes into the Tennessee river.
The numbers from 2015 show that millions of pounds of chemicals are still getting into the water of the river.
According to the EPA, some of those chemicals are proven to cause cancer.
Right now, the trial between Tennessee Riverkeeper and the Decatur company 3M is set for early 2019.
The outcome of that trial will determine if 3M is responsible for cleaning up the river.
The organization finds the timing of the trial to be Frustrating, because they said dangerous chemicals continue to get into the river every year.
"There are people here who can't eat the fish and can't drink the water and we wish that this was cleaned up tomorrow, but unfortunately the judicial system in america can be a slow process and that's just what we have to deal with," said the Founder of Tennessee Riverkeeper David Whiteside.
The EPA recently released the chemical waste numbers for 2016, but the Tennessee Riverkeeper organization said it will take some time to analyze those numbers to see if the problem is getting better, worse, or staying the same.
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