Point source water pollution comes from discrete conveyances and alters the chemical, biological, and physical characteristics of water. In the United States, it is largely regulated by the Clean Wate
The Deer Island Waste Water Treatment Plant, serving the Boston, Massachusetts area, is a typical point source discharger.
Most electric power plants are direct dischargers.
A silt fence, a type of sediment control, installed on a construction site
Best management practices is a term used in the United States and Canada to describe a type of water pollution control. Historically the term has referred to auxiliary pollution controls in the fields
United States regulation of point source water pollution
…can generate credits by reducing its discharge below its most stringent effluent limitation and a nonpoint source can generate credits "by installing best management practices (BMPs) beyond its baseline". Before being able to purchase credits, source must first meet its technology-based effluent limit (TBEL). The credits can…
A retention pond for treatment of urban runoff (stormwater).
A rain garden for infiltration of urban runoff