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Available languages — Tag:emergency=fire_hydrant
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 nodesuse on ways unspecifieduse on areas unspecifieduse 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.

The tool OsmHydrant eases the process of adding and editing hydrants to OpenStreetMap.

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. - Update status 2 Feb 2015: amenity=fire_hydrant 12 286 vs emergency=fire_hydrant 311 157

Common Tagging Mistakes

amenity=hydrant - If you know places with this tag, verify if it could be tagged with another tag. Automated edits are strongly discouraged unless you really know what you are doing!