Which of the following would not be considered a point source pollution contributor?
a. an animal feedlot
b. cattle on rangeland
c. a paper mill
d. a slaughterhouse

The answer is C, a paper mill. A lot of this spillover streams to the ocean, conveying with it rural manures and pesticides. 80% of contamination to the marine condition originates from the land. One of the greatest sources is called nonpoint source contamination, which happens therefore of overflow.