Definitions for "Conventional pollutants"
As specified under the Clean Water Act, conventional contaminants include suspended solids, coliform bacteria, biochemical oxygen demand, pH, and oil and grease.
These may be in the form of organic waste, sediment, acid, bacteria, viruses, nutrients, oil and grease, or heat.
Water pollutants such as suspended solids, bacteria, and nutrients (phosphorus and nitrogen), which are common components of storm water runoff. Sources of these conventional pollutants in urban areas include construction site erosion, pet waste, and lawn fertilizer.