Which of the following is MOST responsible for reducing the availability of fresh water in this country?

Complete Question:

Which of the following is most responsible for reducing the availability of fresh water in this country?

A. aquifer depletion,

B. reservoir evaporation,

C. non-point source pollution, or

D. boat and watercraft emissions.

Correct Option:

The non-point source pollution is most responsible for reducing the availability of fresh water in this country.

Option: C

Explanation:

The contamination which is a mixture of wide area contaminants, instead of common known factors like drainage pipes, is understood as non-point source pollution. Runoff is commonly correlated with non-point source contamination, because water is drained into streams or rivers after pollutants are collected from outlets such as parks, parking lots or construction sites.

Surplus fertilizers, herbicides and insecticides from farmland and populated areas can contain non-point source emissions. Carbon, grease, and toxic substances derived from industrial wastewater and electricity. Sediment from poorly controlled building sites, farm and woodland areas, and diminishing stream banks, triggering a decline in the nation's freshwater supply.