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- In water resources, the term refers to the flow of surface water in a stream or canal or the outflow of ground water from a flowing artisan well, ditch, or spring. In environmental protection, the term is used synonymously with effluent or emission as a term of point source pollution release.
- Flow of surface water in a stream or canal or the outflow of ground water from a flowing artesian well, ditch, or spring. Can also apply tp discharge of liquid effluent from a facility or to chemical emissions into the air through designated venting mechanisms.
Source: Terms of the Environment