Nonpoint source pollution is a term used when it’s impossible to identify one single source origin of pollution such as a factory or the place dumping of chemicals occurred. Read more..
Point source is a term used when it is possible to identify the source of the pollution, A stationary location or fixed facility from which pollutants are discharged; any single identifiable source of pollution; e.g., a pipe, ditch, ship, dump, factory smokestack. Read more..
Surface runoffs is a term used to describe the snow melts, or irrigation water in excess of what can infiltrate the soil surface and be stored in small surface depressions; a major transporter of nonpoint source pollutants in rivers, streams, and lakes. Read more..