« Back to Glossary Index
« Back to Glossary Index
The natural water production of a river basin, unaltered by upstream diversions, storage, or by export
Unimpaired flows, also known as full natural flow, is a hydrology term for the natural runoff of a watershed or waterbody that would have occurred under current land use but without dams or diversions. The term refers to the natural water production of a river basin, unaltered by upstream diversions, storage, or by export or import of water to or from other watersheds.