J.S.Matthew profile image 84

Why do Firemen open Hydrants and let the water flow out?


I notice this from time to time. The fire department opens fire hydrants and lets the water flow for a period of time. Are they testing the lines, removing rust? Why do they do this?

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GmaGoldie profile image87

Kelly Kline Burnett (GmaGoldie) says

4 years ago
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Life and Luxury says

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ThoughtSandwiches says

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archgirl1985 says

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Chris (Winter Maclen) says

4 years ago
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Fatigmon says

4 years ago
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