Overland flow definition

Overland flow means and includes flow over planar surfaces, including but not limited to roofs, streets, lawns, parking lots and fields.
Overland flow means surface runoff flowing over the land surface towards the MS4 or a conveyance.
Overland flow means the controlled discharge, by spraying or other means, of pollutants onto sloping land with maintained vegetation where a proportion of the wastewater may appear as runoff. Overland flow is also the movement of pollutants across the surface of the land where infiltration may occur.

Examples of Overland flow in a sentence

  • Overland flow routes, the major drainage system, as well as stormwater storage facilities are typically designed to hold flows from precipitation events having return periods as high as 100-years.

  • Overland flow or seepage of irrigation water from overwatering is also a potential emission.

  • Overland flow roughness polygon boundaries will be defined within GIS using land use data and aerial imagery.

  • Sap as the natural reverse flow of the Mekong River; and (5) Overland flow from the Mekong River on the floodplains.


More Definitions of Overland flow

Overland flow means the water travelling outside the pre-defined surface pathways (e.g. roads, open drainage channels), which can only be described by 2D OFMs.
Overland flow means areas of the flood hazard area outside of the floodway where water is directed toward the floodway.
Overland flow means flow over developed or undeveloped surfaces, including but not limited to roofs, streets, lawns, parking lots and unimproved lands.

Related to Overland flow

  • Airport means public-use airport open to the public without prior permission and without restrictions within the physical capacities of available facilities.

  • Campground means real property made available to persons for camping, whether by tent, trailer, camper, cabin, recreational vehicle, or similar device and includes the outdoor recreational facilities located on the real property. “Campground” does not include a manufactured home community or mobile home park as defined in section 435.1.

  • carriageway means a way constituting or comprised in a highway being a way (other than a cycle track) over which the public have a right of way for the passage of vehicles.

  • Façade means the principal front or fronts of a building.

  • Station means an area served by one valve or by a set of valves that operate simultaneously.