FLORIDA TILE IS THE THIRD LARGEST MANUFACTURER OF CERAMIC TILE IN THE UNITED STATES AND OWNS AND OPERATES THREE FACILI TIES INCLUDING A FACILITY LOCATED IN LAKELAND, FLORIDA ( FACILITY ), WHICH IS THE SUBJECT OF THIS REFERRAL. IN 1985 EPA ISSUED NPDES PERMIT NO. FL0029637 TO FLORIDA TILE WHICH BECAME EFFECTIVE FEBRUARY 3, 1986. THE PERMIT AUTHORIZED FLORIDA TILE TO DISCHARGE TOTAL COPPER, TOTAL LEAD, TOTAL ZINC, TOTAL RESIDUAL CHLORINE, AND ACUTE WHOLE EFFLUENT TOX- ICITY WITHIN SPECIFIED EFFLUENT LIMITS FROM ONE POINT SOURCE A STORM WATER RETENTION POND, INTO LAKE WIRE, A NAVIGABLE WATER OF THE UNITED STATES. FLORIDA TILE HAS CONSISTENTLY DISCHARGED LEAD AND ZINC INTO LAKE WIRE SIGNIFICANTLY EX- CEEDING THE EFFLUENT LIMITATIONS IN THE PERMIT, IN VIOLATION OF THE CLEAN WATER ACT, SECTION 301(A), 33 U.S.C. 1311(A). IN ADDITION, FLORIDA TILE HAS INTERMITTENTLY DISCHARGED COPPER, TOTAL RESIDUAL CHLORINE AND ACUTE WHOLE EFFLUENT TOXICITY IN EXCESS OF THE PERMIT LIMITS IN VIOLATION OF THE CLEAN WATER ACT, SECTION 301(A), 33 U.S.C. 1311(A).