Environmental

What is 'saltwater intrusion' in Delaware groundwater and how does it affect coastal properties?

AThe natural seasonal variation of salinity in Delaware's tidal rivers

BThe encroachment of saltwater into freshwater aquifers, particularly in Delaware's coastal areas, which can contaminate wells and affect property value — exacerbated by over-pumping and sea level rise✓ Correct

CThe process of salt depositing on building surfaces near the Delaware coast

DA tidal flooding event that deposits salt on agricultural lands

Explanation

Saltwater intrusion occurs when saltwater migrates into freshwater aquifers — a significant issue in Delaware's coastal Sussex County. Causes include excessive groundwater pumping and sea level rise.

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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.

Comparable Sales (Comps)

Recently sold properties similar in size, condition, and location used by appraisers and agents to estimate a property's market value.

Depreciation

A reduction in the value of an improvement (building) over time due to physical deterioration, functional obsolescence, or external factors.

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.

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