1. SECTION 309 OF THE CLEAN WATER ACT ( CWA ). 2. HUGO MUNICIPAL AUTHORITY (S. PLANT) 201 SOUTH 2ND STREET HUGO, CHOCTAW COUNTY, OKLAHOMA 74743 3. RESPONDENT WAS IN VIOLATION OF SECTION 301 OF THE CWA BY REPEATED EXCEEDANCE OF THE EFFLUENT LIMITS OF ITS PERMIT. 4. RELIEF SOUGHT PURSUANT TO SECTION 309 OF THE CWA, EPA IS- SUED AN ADMINISTRATIVE ORDER (AO) ORDERING THE RESPONDENT TO COMPLY WITH THE EFFLUENT LIMITS OF ITS PERMIT.