EnvironmentalIntermediateDelaware Exam

What is 'impervious surface' and why does Delaware regulate it?

AA surface that is resistant to fire damage, used in commercial roofing

BA surface that does not allow water infiltration (pavement, rooftops, concrete)Correct

CSimply a specialized surface material that resists chemical contamination, required only near active industrial sites

DA hardened boundary marker used in Delaware land surveys

Why A surface that does not allow water infiltration (pavement, rooftops, concrete) Is Correct

Answer B: A surface that does not allow water infiltration (pavement, rooftops, concrete)

Impervious surfaces (roads, parking lots, rooftops, driveways) prevent rainwater from infiltrating the soil, increasing runoff volume and velocity. Delaware regulates impervious surface coverage through local zoning and stormwater ordinances, particularly in its coastal areas and Chesapeake Bay watershed.

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Key Environmental Terms in This Question

Zoning

Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

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Key Terms to Know

Zoning

Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

Variance

Official permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.

Amortization

The gradual repayment of a loan through scheduled periodic payments that cover both principal and interest.

Eminent Domain

The power of government to take private property for public use, with the requirement to pay the owner just compensation.