Denton (Texas) city employee painting a fire hydrant blue (July 1982)

    by AxlCobainVedder

    2 Comments

    1. If Texas follows NFPA 291, a blue top means the hydrant can supply 1500 gallons per minute or more.

      (Green = 1000-1499 gpm, Orange = 500-999 gpm, Red = under 500 gpm.)

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