Is it safe to cool off under an open fire hydrant?

In the dog days of summer, New Yorkers are always looking for ways to beat the heat.

One longtime tradition is opening a city fire hydrant to create an impromptu street sprinkler.

But is that water safe to swim in — or drink? And what risks can come with opening a hydrant?

NY1’s Dean Meminger spoke with city officials about the safety concerns surrounding open fire hydrants and whether they want to put a damper on the summertime tradition.

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