Urban runoff
Videos
Urban runoff is surface runoff of rainwater, landscape irrigation, and car washing created by urbanization. Impervious surfaces are constructed during land development. During rain, storms, and other
Urban runoff flowing into a storm drain
Flooded streets in New Orleans
Relationship between impervious surfaces and surface runoff
Weasel Brook in Passaic, New Jersey has been channelized with concrete walls to control localized flooding.
Stormwater
Videos
Stormwater, also written storm water, is water that originates from precipitation, including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil and become groundwater, be s
Urban runoff
…rain, storms, and other precipitation events, these surfaces (built from materials such as asphalt and concrete), along with rooftops, carry polluted stormwater to storm drains, instead of allowing the water to percolate through soil. This causes lowering of the water table (because groundwater recharge is…
Urban runoff entering a storm drain
Urban runoff being discharged to coastal waters
Gel flocculants in a passive mining treatment system