1. SECTION 309(A)(3) OF THE CLEAN WATER ACT ( CWA ), 33 U.S.C. SECTION 1319(A)(3). 2. SOTHWESTERN ELECTRIC POWER CO. AVINGER, TEXAS 3. RELIEF SOUGHT PURSUANT TO SECTION 309(A)(3) OF THE CWA, EPA ISSUED AN ADMINISTRATIVE ORDER (AO) ESTABLISHING A REVISED NPDES COPPER COMPLIANCE DATE.