Considering visiting L.A. County swimming holes this summer? You may want to avoid these
Briefly

(Genaro Molina / Los Angeles Times)

When considering a nearby swimming hole this summer, water scientists recommend that Los Angeles County residents first check the latest river report card before taking a dip.While freshwater recreation sites across L.A. have seen improvements in recent years, scientists with the environmental nonprofit Heal the Bay note there's still a lot of work to be done to limit waterway pollution.
Read at Los Angeles Times
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