What is "impervious area?"

It is the area on a property that is covered by buildings, driveways, parking areas and other hard surfaces that prevent runoff from being absorbed into the soil. It is measured in terms of square footage.

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1. What is the storm water charge on my utility bill?
2. What is the Storm Water Management System?
3. What is an ERU (Equivalent Residential Unit)?
4. Why do you use "impervious area" to determine the stormwater fee charges?
5. What is "impervious area?"
6. Why should I pay for rain falling on my property?