Environmental

What is the significance of 'UIC wells' (Underground Injection Control wells) in Hawaii?

AA. They provide freshwater for agricultural irrigation
BB. They inject treated wastewater underground, raising concerns about groundwater and coastal water contamination✓ Correct
CC. They are geothermal exploration wells
DD. They pump out floodwater during heavy rains

Explanation

Underground Injection Control (UIC) wells in Hawaii inject treated wastewater underground. Studies have shown that this practice can contaminate groundwater and nearshore ocean waters, affecting reefs and beaches. This is a significant environmental issue relevant to Hawaii real estate.

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