ON MARCH 31, 2000, THE ACTING DIRECTOR, WATER PROTECTION DIV DIVISION ISSUED AN ADMINISTRATIVE PENALTY ORDER ( APO ) TO WASHINGTON METROPOLITAN TRANSIT AUTHORITY PURSUANT TO SECTION 309 OF THE CLEAN WATER ACT ( ACT ), 33 U.S.C. SECTION 1319, FOR VIOLATION OF SECTION 402 OF THE ACT, 33 U.S.C. SECTION 1342. SPECIFICALLY, RESPONDENT FAILED TO APPLY FOR A NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEMS ( NPDES ) PERMIT FOR DISCHARGES OF POLLUTANTS TO OXON RUN IN ITS UNDERGROUND CONSTRUCTION OF THE GREEN LINE TUNNEL PROJECT. THE APO SEEKS PENALTIES IN THE AMOUNT OF $48,000.