What is the difference between a point source and a non point source of water pollution?

What is the difference between a point source and a non point source of water pollution? Explanation: Point sources are for example, water discharging from an industrial plant of some kind or a waste water treatment plant. Non-point sources include run-off from agricultural lands that may wash fertilizer or other chemicals into lakes or rivers … Continue reading What is the difference between a point source and a non point source of water pollution?