Polluted Runoff: Nonpoint Source Pollution

Types of Nonpoint Source

Nonpoint source (NPS) areas of focus are land use and land cover driven. The links below provide information on categories of nonpoint source pollution and related practices to reduce impact of pollution. 

 land cover image of the contiguous United StatesDifferent types of land use will influence what types of  Nonpoint Source water quality concerns affect a given waterbody.  Image Courtesy of the Multi-Resolution Land Characteristics ConsortiumExit

Under Section 319 of the Clean Water Act, states, territories and tribes must identify categories of nonpoint source pollution as part of an assessment report required for obtaining a Section 319 grant.