1. SECTION 309 OF THE CLEAN WATER ACT ( CWA ). 2. NORTH TEXAS MWD - CITY OF WYLIE 2000 HIGHWAY 78 NORTH WYLIE, DALLAS COUNTY, TEXAS 75098 3. RESPONDENT WAS IN VIOLATION OF SECTION 301 OF THE CWA BY EX-CEEDING 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.