35 Ill. Adm. Code 301.325
NPDES
Section 301
Section 301.325Â NPDES
"NPDES" means the
National Pollutant Discharge Elimination System for issuing, establishing
conditions for, and denying permits under Section 402 of the CWA. All terms
used concerning NPDES that the CWA or regulations adopted under it define have those
meanings unless specifically noted otherwise.