Water level, also known as gauge height or stage, is the elevation of the free surface of a sea, stream, lake or reservoir relative to a specified vertical datum.[1]
See also
- Water level (device), device utilizing the surface of liquid water to establish a local horizontal plane of reference
 - Flood stage
 - Hydraulic head
 - Stream gauge
 - Tide gauge
 - Level sensor
 - Liquid level
 - Reference water level
 - Stage (hydrology)
 - Sea level
 
References
- ↑ ISO 772: 1996. Hydrometric determinations – Vocabulary and symbols.
 
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