POTW IS NOT IN COMPLIANCE WITH ITS NPDES PERMIT NOR IS IT ENFORCING THE PERMITS ISSUED TO THE IUS. THIS CASE DEALT WITH THE ALLEGATIONS THAT WEST CHICAGO VIOLATED SECTION 310(A) OF THE CWA, 33 U.S.C 1311(A), BY FAILING TO MEET ITS NPDES PERMIT LIMITS AND BY FAILING TO IMPLEMENT THE REQUIREMENTS OF A PRETREATMENT PROGRAM PRO- VISION OF THE PERMIT. THIS CASE DEALT WITH THE ALLEGATIONS THAT WEST CHICAGO VIOLATED SECTION 310(A) OF THE CWA, 33 U.S.C. 1311(A), BY FAILING TO MEET ITS NPDES PERMIT LIMITS AND BY FAILING TO IMPLEMET THE REQUIREMENTS OF A PRETREATMENT PROGRAM PRO- VISION OF THE PERMIT. AO ISSUED 9/18/98.