It may be fair to say the lakes are not really choked here. The average particle count from the article is 0.043 per m2, up to 0.466 in some samples. How bad that is depends on how dangerous they are - what compounds they might leach, how they affect filter feeders and travel up food chains, and so on. But microplastics haven’t been common that long, and since they seem to persist a long time, this at least shows their current use can be expected to give choked lakes.
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