1. SECTION 309 OF THE CLEAN WATER ACT ( CWA ). 2. CITY OF NORTH RICHLAND HILLS 7301 NE LOOP 820 NORTH RICHLAND HILLS, TARRANT COUNTY, TEXAS 76180 3. RESPONDENT WAS IN VIOLATION OF SECTION 301 OF THE CWA BY EXCEEDING 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.