In other words, the pollution must go directly from the point source, or a series of point sources, to the navigable water. If even a single non-point source intervenes, then a permit is not required.

As pollution from point sources -- single identifiable sources such as sewage -- has been cleaned up over time, the emerging concern has become what are known as nonpoint sources, or diffuse ...

Findings center around both point-source water treatment and non-point sources of water pollution. Traditional point-source water treatment facilities such as sewage plants remove problem ...

CAFOs are a leading source of water pollution nationally and are “point sources” of pollution subject to regulation under Clean Water Act permits. Yet more than 50 years after the Act’s passage, EPA ...

Nonpoint Source Management Program Under the Clean Water Act/Perspectives from States: U.S. Senate Environment and Public Works Committee Hearing Walter Wright Jr. Mitchell, Williams, Selig, Gates ...

“We really need to identify the source of pollution, via species-specific testing, in order to apply the proper management efforts,” said Ashley Eagle-Gibbs, director of the Environmental ...

He argued that the “after-the-fact” analysis of the traceability test, which asks whether the pollutant can be fairly traced from a navigable water back to the point source, applied by the U.S. Court ...

Other sources of pollution ... Government Accountability Office looking at water quality trading programs found that without ...

Nonprofit source pollution refers to pollutants that come from a variety of sources and not one point like stormwater runoff, nutrients, bacteria, sediment, oils or greases.