Coho Salmon Being Killed by Chemical in Car Tire Debris
Around 20 years ago, when the muscular, determined bodies of cohos started returning to these urban waterways to spawn, a mysterious phenomenon cast a dark pall over their homecoming. https://t.co/CXZ7Moh9zb— Smithsonian Magazine (@SmithsonianMag) December 8, 2020
Health Editor’s Note: A rubber additive (6PPD) that makes car tires last longer is killing spawning Coho salmon in Seattle area. When 6PPD washes off of the roads into streams and rivers it becomes 6PPD-quinone and is deadly for the salmon. Simple run-off water from roads is making its way into streams and rivers and killing salmon. This is not only a big problem for the salmon, but what about humans?
Is there a way that this stormwater runoff can be filtered to avoid allowing the deadly 6PPD-quinone from reaching waterways? Moving stormwater through soil before it arrives at the water source would help some, but as is often the case, the expense of correcting this huge human error is large and in the end would mimic the passive filtration that was in existence before humans destroyed wetlands for agriculture and buildings. Ironic but if nothing is done, the stormwater runoff will continue to be deadly for fish and who knows what or who else……Carol