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Swimming
Places to Swim
Documents:
half of US lakes and rivers are too polluted for human use
web
Olivia Rosane
EcoWatch
2022-03-29
a BARTable and busable swimming hole near Hayward
web
Michelle Robertson
San Francisco Chronicle
2021-06-24
most US rivers are unfit for swimming or drinking
web
Reynard Loki
AlterNet
2016-05-10
water quality at various Bay Area beaches
web
Peter Fimrite
San Francisco Chronicle
2011-05-26