46 CFR § 196.37-15
Firehose stations
April 15, 2021
(a) Each fire hydrant shall be identified in red letters and figures at least 2 inches high “FIRE STATION NO. 1”, “2”, “3”, etc. Where the hose is not stowed in the open or behind glass so as to be readily seen, this identification shall be so placed as to be readily seen from a distance.