surface runoff
surface flow

The average level of surface runoff during the same period was 3.46 inches.

An area having a common outlet for its surface runoff.

Seeds are dispersed on the wind and in surface runoff.

Trees and other plants help to control surface runoff.

The creek receives surface runoff from open space and residential land use.

Its source of freshwater has been increased from natural historical levels by urban surface runoff.

Relative to ocean water, this has a high chemical load from surface runoff.

First flush is the initial surface runoff of a rainstorm.

The country's mean annual surface runoff has been estimated at more than 2 billion cubic meters per year.

Another way to remove pollution from surface runoff water is bioswale.

The water is polluted with silt, surface runoff, and other substances.

Average annual surface runoff in this basin is calculated at 31.9 km.

It can prevent erosion caused by excessive rain that results in surface runoff.

The wastes resulted from industrial dumping and surface runoff into the harbor.

There is no clear demarcation between surface runoff and an ephemeral stream.

The surface runoff is sufficient to satisfy the water demand of 65 m3/d for irrigation purposes.

Classes of sewage include sanitary, commercial, industrial, agricultural and surface runoff.

Shivta's water supply was based on surface runoff collected in large reservoirs.

Agricultural surface runoff and sediment are the major pollutants.

Accumulations in the soil, vegetation, and surface runoff have not been large enough to measure above natural background.

The high erosion rates during the Noachian may have been due to precipitation and surface runoff.

Tailwater also refers to surface runoff resulting from crop irrigation.

The rains caused flash flooding and increased surface runoff.

The campus did not yet have storm drains, and surface runoff went down a ravine to the beach.

Sub-surface irrigation supplies water directly to the plants' roots doing away with the issue of surface runoff.