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What Is Runoff?


Stormwater RunoffRunoff
 
When it rains where do you think the water goes? Water flows downhill to the nearest creek or street. As it travels it picks up pollutants like trash, oil, sediment, and pet waste along with anything else in its path. We call this stormwater runoff. Pavement and concrete don’t absorb water so it flows towards storm drains in the curbs. In cities and urban areas, the water can't soak through solid surfaces like pavement, rooftops, and concrete. This means that there's more runoff in cities than in forests and fields. 


Urban Rnoff

Urban runoff
is water from human activities such as irrigation, overwatering, car washing and other sources that travel into the street and storm drains picking up pollutants as it goes.