Overland Flow Path

An overland flow path is an above-ground component of a drainage system that caters for overland flows that occur when underground drainage pipes reach their capacity and cannot cope with more run-off from heavy rainfall. Overland flow paths can be low-lying natural drainage paths, open space floodway channels, road reserves, pavement expanses or any other flow paths that can convey flows when the Minor Drainage System reaches capacity.

External Links & References

  1. Melbourne Water
  2. Queensland Department of Transport and Main Roads - Road Drainage Manual Glossary
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