Question

How does groundwater become polluted?

Answer 1

There are many ways groundwater can be polluted. Such as,

Naturally-occurring (geogenic),

On-site sanitation systems,

Sewage and sewage sludge,

Fertilizers and pesticides,

Commercial and industrial leaks,

Hydraulic fracturing,

Landfill leachate,

Etc.

Answer 2

Groundwater pollution can happen when man-made products like gasoline, oil, road salts, and chemicals get into the groundwater