National Pollutant Discharge Elimination System

What is National Pollutant Discharge Elimination System?

National Pollutant Discharge Elimination System meaning A permit program under Section 402 of the Clean Water Act that imposes discharge limitations on point sources by basing them on the effluent limitation capabilities of a control technology or on local water-quality standards (USEPA Region 5).

 

reference: USGS – Glossary of Water-Quality Monitoring Term