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Polluted Runoff: Nonpoint Source (NPS) Pollution

Nonpoint source (NPS) pollution is caused when rainfall or snowmelt, moving over and through the ground, picks up and carries natural and human-made pollutants, depositing them into lakes, rivers, wetlands, coastal waters and ground waters. Learn the basics of NPS pollution.

Polluted Runoff: Nonpoint Source (NPS) Pollution