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Found Watershed 3 times.

Displaying results 1 to 10.

1. Drainage area
Total land area draining to any point in a stream, as measured on a map, aerial photo or other horizontal, two-dimensional projection. (See also catchment area ; watershed ; basin .)

2. Water supply watershed
All of the land area that contributes surface run-off to an existing or proposed reservoir or intake used for water supply.

3. Watershed
* An area so sloped as to drain a river and all its tributaries to a single point or particular area. An area from which a river receives its water supply. * The total area above a given point on a watercourse that contributes water to its flow; the entire region drained by a waterway or watercourse that drains into a lake or reservoir.

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