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Public-images-osm logo.svg emergency = water_tank
Fire-fighting facility (42345540590).jpg
A large water basin or tank for a fire department to take water Edit this description in the wiki page. Edit this description in the data item.
Group: emergencies
Used on these elements
may be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Useful combination
Status: de facto

A large water basin or tank for a fire department to take water. It is designed to get fast access to water for extinguishing fires whenever the water pipes are not adequate and no natural water is close by.


+ water_tank:volume=50000 l
+ man_made=reservoir_covered


+ man_made=storage_tank
+ content=water

The page for emergency=fire_hydrant and the one for emergency=water_tank have declared different default units for water_tank:volume in the past; it is therefore perhaps preferable to always explicitly specify a unit.

Also add a general tag for the reservoir or storage tank as appropriate:

Possible Rendering

Emergency water tank.svg suggested by User:Chrisana13