Tag:landuse=reservoir
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Description |
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An artificial lake which may be used to store water. ![]() |
Rendering in OSM Carto |
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Group: landuse |
Used on these elements |
Useful combination |
See also |
Status: deprecated![]() |
Tools for this tag |
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Man made body of stored water. May be covered or uncovered. Usually formed by a dam over a natural water course, water then backs up into a natural valley or depression.
It is also possible to tag the water body with natural=water
+ water=reservoir
in addition or instead of landuse=reservoir
. See also the approved water details proposal and pointers to discussion on talk page.
Currently most renderers will interpret and draw landuse=reservoir
as a visible open water area.
How to tag
Begin by placing a node or a closed way on the map, and tagging it with
Tag | Description |
---|---|
landuse=reservoir
|
A man-made body of stored water. |
It sometimes makes sense to add the following tags:
Tag | Description |
---|---|
name=*
|
The name of the reservoir, if known. |
covered=yes/no
|
Whether the reservoir is covered[1], typically buried underground. |
intermittent=yes
|
If the water is only seasonally or intermittently present. |
natural=water + water=reservoir
|
Can be added if the reservoir is also a body of open water. |
reservoir_type=*
|
Describes the purpose of the reservoir. |
Proposals
water=reservoir
- water details proposal was approved and provides the alternative tagging
natural=water
+water=reservoir
.- Main advantage of a new tagging scheme is that all water (except oceans) can be queried with
natural=water
tag, which simplifies using OpenStreetMap data in some cases.- Note that synonyms are a minor problem while using OpenStreetMap data and, while irritating, are not a major barrier
- This benefit will happen only after the alternative tagging is gone: as long as many reservoirs are tagged as
landuse=reservoir
withoutnatural=water
, data consumers must support alsolanduse=reservoir
anyway. - If someone wants to select only some specific types of water areas or have different rendering depending on a type of water area, this benefit completely disappears.
- First disadvantage is that this change requires changing tagging behaviour from mappers, rewriting software, documentation, training materials etc.
- Second disadvantage of water=reservoir is that is discourages people to understand different classes of water and therefore is a problem when learning cartography
- Third disadvantage of water=reservoir is that it added a duplicate schema which maps exactly the same classes of water object classes
- Note that the proposal included a very confusing section. It was titled "deprecation" and had "landuse=reservoir (replaced by natural=water + water=reservoir)" but also included text which made it unclear:
- Redefined deprecated: ""Deprecates" means "is equivalent for all purposes to""
- "we don't want massive retagging and edit wars."
- Main advantage of a new tagging scheme is that all water (except oceans) can be queried with
Tag for land used as reservoir
- In mailing list discussions some mappers have asked for a tagging scheme covering areas and objects related to water reservoirs. Although it might seem logical to use
landuse=reservoir
for such purpose this would conflict with the current widely used definitions and another tagging scheme should be proposed instead. For restricted land around a reservoir, consider the use oflanduse=reservoir_watershed
.
See also
water=reservoir
+natural=water
This is regarded as the same aslanduse=reservoir
.man_made=reservoir_covered
- a covered reservoirlanduse=salt_pond
- A salt pond, salt evaporation pond or salternwater=pond
- a small body of standing water, man-made in most caseslanduse=basin
- an area of land artificially graded to hold water.landuse=reservoir_watershed
- land around a reservoir set aside for clean water protection.leisure=swimming_pool
- a man-made swimming poolnatural=water
+water=lake
- a natural or semi-natural lakewater=*
waterway=dam
waterway=weir
man_made=storage_tank
External links
- Apr 2021 [forum-nl] - Reservoir?
- Dec 2020 [wiki] Proposed features/Reservoir - new proposal, attempts to deprecate
landuse=reservoir
- Dec 2020 [wiki] Popularity patterns of reservoir tagging on areas
- Dec 2020 [tagging] The saga of landuse=reservoir vs water=reservoir - tagging mailing list, 2020 thread
- Nov 2020 [tagging] deprecate water=pond?
- Jul 2020 [tagging] Riverbanks
- Mar 2020 [tagging] Ponds are not observable on the ground
- Nov 2019 Changeset 76766631 discussion (author: pangoSE)
- Jul 2019 [JOSM ticket] Proposal to introduce the same retagging rule into JOSM
- Jun 2019 [talk] iD forces mistagging again
- Jun 2019 [talk-lt] iD redaktoriaus problemos (iD editor problems)
- Jun 2019 [tagging] landuse=reservoir vs water=reservoir
- Jun 2019 [iD github] iD is forcing retaging from landuse=reservoir to natural=water+water=reservoir
- Apr 2019 [talk] iD influencing tagging
- Oct 2018 [talk-it] landuse=reservoir
- Sep 2018 [tagging] My weirdly unnatural aversion to relations
- Jul 2018 [tagging] landuse=basin
- Mar 2017 [tagging] water=pool
- Jun 2016 [talk] Failed water proposal reversal
- Feb 2015 [tagging] How to tag a cistern?
- Jan 2015 [tagging] Adding water=fishpond to the wiki
- Jun 2013 [tagging] When was landuse=reservoir deprecated?
- Jun 2013 [JOSM ticket] Reservoir preset is using a deprecated tag
- Nov 2012 [talk-it] Tag:landuse=reservoir
- May 2012 [talk-lt] Vandens telkiniai (Water bodies)
- Jan 2012 [tagging] Health and other stories
- Sep 2011 [tagging] water=*
- May 2011 [tagging] Requirements for proposals and voting to be valid
- Apr 2011 [tagging] New proposal: water=* (voting announcement)
- Apr 2011 [tagging] New proposal: water=*
- Mar 2011 [wiki] Proposed features/Water details
- Jan 2008 [talk] RFC - lake
References
- ↑ Example: Stroud Green (covered reservoir) on Wikimedia Commons