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Watershed Management: Education

Increase in Runoff with Urbanization


Natural Ground Cover
0% Impervious Surface
Natural Ground Cover has 0%-20% runoff with 80%-100% infiltration
Low Density Residential
10%-20% Impervious Surface
Low density residential has 10%-30% runoff with 70%-90% infiltration
Urban Residential
35%-50% Impervious Surface
Urban residential has 40%-70% runoff with 30%-60% infiltration
Commercial Industrial
75%-100% Impervious Surface
Commercial/Industrial has 75%-100% runoff with 0%-20% infiltration

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Watershed Management: Education