Tag:waterway=dam
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+/- waterway=dam
A wall built across a river or stream to impound the water. A dam normally does not have water flowing over the top of it.
Used combinations in
Undefined |
A wall built across a river or stream to impound the water. A dam normally does not have water flowing over the top of it.
How to Map
- Smaller dams can be drawn as a way
and tagged with waterway=dam. They will be rendered with a black line.
- Bigger dams can be drawn as an area
and tagged with waterway=dam. They will be rendered with a gray hatching.
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2. | 
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The artificial lake created by the water impounded behind the dam wall (commonly called a 'dam' in Australia, just to confuse things) should be tagged as natural=water and water=reservoir.
Related tags:
- waterway=weir - Smaller barrier where the water can still flow over the top.
- water=reservoir - Water impounded behind.
- Proposed features/Dyke (man_made=dyke) - Embankment for holding back flood water
- generator:source=hydro
- power=generator
Related terms: dam. barrier.
