the condition caused by the presence in the environment of substances of such character, location, and quantity that the quality of the environment is impaired or rendered offensive to life —see best management practice, forest decline; kinds of pollution include the following:

—point source pollution pollution that arises from a well-defined origin, such as discharge from an industrial plant or runoff from a beef cattle feedlot

—nonpoint source pollution pollution that arises from an ill-defined and diffuse source, such as runoff from cultivated fields, agricultural lands, urban areas, or forests and wildlands This definition last updated 10/27/2008