Ground water if the natural opening is altered artificially is considered spring water in Oregon.
Groundwater use is regulated by the Ground Water Act of 1955. Water produced from manmade or naturally altered artificial apertures provides ground water, which is water found beneath the earth's surface. In the event that the natural opening is purposefully changed, spring water would then be regarded as ground water. Wells drilled after 1955 are subject to this law's requirements, but those drilled before that year are not. All uses of ground water, however, are not subject to the requirement of a water right permit.
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