excess water that overflows onto a road or other surface due to heavy rainfall.

Water from rain, sleet, hail and snow.

this is water collected as a result of rain events.

Also Storm Water. Precipitation that is often routed into drain systems in order to prevent flooding.

Waste water (stormwater) flushed into the the general sewer system or into storm drains along roadsides when streets, roofs, handling areas in ports, and other hard surfaces are washed by rain and sno [..]

The excess water running off from the surface of a drainage area during and immediately after a period of rain. Also see STORM RUNOFF.

Any precipitation in an urban or suburban area that does not evaporate or soak into the ground, but instead collects and flows into storm drains, rivers and streams. Stormwater is also called urban st [..]

water from the land surface that accumulates as a result of heavy rainfall. In urban areas, it is collected in underground sumps and piped into nearby waterways.

Rain and water from irrigation, garden hoses, or other activities that can wash materials such as motor oil, pet waste, trash, paints, fertilizers, and pesticides off of streets, parking lots, yards a [..]

Rainwater that enters the storm drain system and empties into rivers, lakes and streams.

Excess water that is generated by rainfall and is often routed into drain systems in order to prevent flooding.

Water from rain or melting snow. Many communities are concerned about the management of stormwater in developed areas because the amount of impervious surface has increased, thus reducing the area whe [..]

rainfall that accumulates in natural or artificial systems after heavy rain; surface run-off or water sent to (stormwater) drains during heavy rain.