Unfortunately they dump chemicals from the food trucks and park department personnel boating piers are full of toxic waste
Yes, it's very sad. The water in the lake come from the East River and Flushing Bay (where the water is dirty and toxic) due to the marina in flushing bay. The water flows underneath through the park and ends up in meadow lake and willow lake where there is no treatment in action due to wild life. NYC parks is working on this plan.
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