National Pollutant Discharge Elimination System United States

NPDES stands for the National Pollutant Discharge Elimination System, a permit program established for each point source discharge in the United States under the Clean Water Act of 1972. 

Industrial water pollution Effluent fees (Netherlands) vs. Effluent Guidelines and National Pollutant Discharge Elimination System permits (United States)... 

National Pollutant Discharge Elimination System (NPDES) A provision of the Clean Water Act that prohibits discharge of pollutants into waters within the United States unless a special permit is issued by the EPA, a state (where delegated), or a tribal government on an Indian reservation. 

National Pollutant Discharge Elimination System NPDES EPA Under development c This system contains information on the quantity and quality of discharges which have been permitted under the National Discharge Permit Program for all point source discharges into United States waters... 

The TIE approach was originally developed in the 1980s and 1990s to identify toxicants in industrial and municipal effluents and their receiving waters. In the United States, TIEs were first developed for freshwater appUcations to complement regulations of the Clean Water Act to reduce the release of toxic chemicals into the nation s waters (i.e.. National Pollutant Discharge Elimination System (NPDES) permitting) [19-21]. Later, similar methods were developed for marine applications [22]. The TIE approach has three phases (Fig. 1). Phase I (Characterization) characterizes the classes of toxi-... 

To date, over 8 billion has been spent by Canada and the United States on construction and upgrading wastewater treatment plants in the Great Lakes basin. In addition, comparable funds have been spent to control pollution from industrial sources. Canada regulates municipal and industrial discharges through the issuance of control orders and the United States through the issuance of National Pollutant Discharge Elimination System Permits. 

Biological corrosion of sewer pipes can be a serious problem in coastal cities, owing to the abundance of S04 in the waste-water. At the time of the Hamburg failure, coastal cities in the United States faced similar problems with newly installed concrete sewer systems, especially the city of Los Angeles (Mansfeld et al. 1990 Morton et al. 1991). A reason for the reemergence of the problem was the advent of the National Pollution Discharge Elimination Systems (NPDES) in 1972, which bans discharge of... 

---