Run-off

run-off - precipitation that the ground does not absorb and that ultimately reaches rivers, lakes or oceans.
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Run-Off
That part of precipitation, snow melt, or irrigation water that drains off land into surface water. It can carry sediments and pollutants into the receiving waters.
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Run-Off
The part of precipitation water that runs off the land into streams or other surfacewater.
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Direct run-off: Water that flows from the ground surface directly into streams, rivers, and lakes.

Erosion occurs naturally from weather or run-off but can be intensified by landclearing practices. estuary Special environments at the mouth of coastal rivers where fresh water meets sea water.

The area of land from which all surface run-off flows through a sequence of streams, rivers and, possibly, lakes into the sea at a single river mouth, estuary or delta.
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One last caution: Kids and parents planning a fundraising car wash event should know that they might be violating clean water laws if run-off is not contained and disposed of properly.

Rubbish- Solid waste, excluding food waste and ashes, from homes, institutions, and workplaces. Run-Off- That part of precipitation, snow melt, or irrigation water that runs off the land into streams or other surface-water.

Stormflow. Surface flow originating from precipitation and run-off which has not percolated to an underground basin.

The lands above a given point on a waterway that contribute water run-off.
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(3) The volume of flow in a stream channel that is not derived from surface run-off.

Acidity is measured to determine water quality. In the mining industry, for instance, it is important to know the acidity of a solution since this can create highly acidic waters through run-off waste-a serious environmental problem.

Many municipalities require some level of stormwater management and there are several strategies. These strategies for managing storm run-off need to be included in your initial site planning discussions and are integral to any landscape strategy ...

See also: Water, Environment, Waste, Air, Environmental