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Public-images-osm logo.svg emergency = fire_hydrant
Downtown Charlottesville fire hydrant.jpg
A fire hydrant is an active fire protection measure, and a source of water provided in most urban, suburban and rural areas with municipal water service to enable firefighters to tap into the municipal water supply to assist in extinguishing a fire.
Used on these elements
may be used on nodes
use on ways unspecified
use on areas unspecified
use on relations unspecified
Useful combination
Status: De facto

Use the emergency=fire_hydrant tag to identify the location of a Wikipedia fire hydrant, also known colloquially as a fire plug in the United States or as a johnny pump in New York City.

How to map

Tag a Node at the appropriate location with emergency=fire_hydrant. The following additional tags may be appropriate:

Proposed attributes:

  • fire_hydrant:flow_capacity=#/in cubic meter or GPM (optional), the following additional tag are for important for Firemen because the pressure is done by the fire truck's pump. In France, a normalized Fire_Hydrant need to supplied 120 m^3 during two hours. In the US, this specification is in Gallons Per Minute (GPM)
  • fire_hydrant:class=AA/A/B/C. {optional} In the US, classification per the American Water Works Association (AWWA).
  • fire_hydrant:water_source=main/pond/stream. {optional} the water source for the hydrant.
  • in_service=yes/no. {optional} Indicates whether a hydrant is in service or not. Absence of tag connotes unknown.

Possible rendering

Emergency fire hydrant.svg suggested by User:Chrisana13



underground pillar wall pond
Berlin hydrant 20050211 p1000517.jpgStandrohr unterflurhydrant.jpg Mh Ueberflurhydrant ohne Fallmantel.jpeg Guentherscheid Tunnel Rescue4.jpg Dry hydrant.jpg
the fire hydrant is underground, you need a standpipe aka "dry hydrant", you need a pump

How to find a fire hydrant

Karta01, OpenFireMap

Karta01 shows all fire stations, rescue stations and hydrants in Belarus, Kazakhstan, Russia and Ukraine. OpenFireMap shows all fire stations and hydrants.

See also

Note: At the time of writing (Feb 2014), there are about 14 000 uses of amenity=fire_hydrant and 200 000 uses of emergency=fire_hydrant. At this time it is necessary to look for both when parsing osm data.

Common Tagging Mistakes

amenity=hydrant - If you know places with this tag, verify if it could be tagged with another tag. You must not do automated edits!