Key:content

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Public-images-osm logo.svg content
Water Storage Tank and Track Across Outer Marsh - geograph.org.uk - 806706.jpg
Description
To describe the contents of a feature Edit or translate this description.
Group: Properties
Used on these elements
may be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Useful combination
See also

substance=*

Wikidata
Status: de facto

The key content=* can be added to features used to store materials to declare the contents of the feature.

Values

Tags Description Photo
content=water Water.
content=oil Oil.
content=gas Generic tag for any gas.
content=biogas biogas.
content=LNG Liquefied natural gas is natural gas (predominantly methane with some mixture of ethane) that has been cooled down to liquid form.
content=LPG Liquefied petroleum gas refered simply as propane and butane.
content=ngl Natural Gas Liquids (condensate) like ethane, propane and butane.
content=fuel Fuel.
content=silage Silage.
content=manure Manure.
content=wine Wine.
content=beer Beer.
content=sewage Sewage.
More values can be found at taginfo

Avoid tagging something with content=unknown. It's better to wait until the actual content is surveyed.

See also

  • substance=* - similar key, used for pipelines and related facilities
  • description=* for textual content on signs
  • capacity=* for the size of a storage facility

Possible mistakes

Both contents=* and storage=* tags are in usage. As the semantic difference is insignificant, it is recommended to focus on content=* used by the majority of mappers.

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!
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!