More then likely. I used to have a map that showed all the lakes and rivers across the US. It also said what the toxin was in each. Most were Mercury. But alot had the pcb. If you have mining up stream at any point in time. Good chance theres Mercury in the waters. This collects in the fish fat along with many other chemicals. I read somewhere it also came from burning coal. If thats true. Then were fked lol. We have the real life Silent Hill here. The town has a never ending fire burning under it. (Centralia pa). Pretty fkd up if you use google map to find pa 61 centralia and you see thishow longs it been burning? Since 1962. So i hope they are wrong about the Mercury being linked to burning coal. No one can put it out. Ironically it was started by non other then the fire department.
I looked up and read this story, just crazy. Recently I just found out no charges are being filled in the Gatlinburg TN fire last Thanksgiving. The authorities were notified in time to take care of it, but opted to do nothing then a couple of days later the unexpected 80 mile an hour winds came. Unbelievable.