VIOLATING INTERIM EFFLUENT LIMITS OF NPDES PERMIT. THE CITY OF AKRON, OHIO ( CITY OR AKRON ) A MUNICIPAL CORP. LOCATED IN SUMMIT COUNTY, OHIO, OWNS AND OPERATES A PUBLICLY OWNED TREATMENT WORKS ( POTW ). THE POTW, WHICH IS LOCATED NORTHWEST OF THE CITY, TREATS WASTEWATER FROM RESI- DENTIAL, COMMERCIAL AND INDUSTRIAL SOURCES, AS WELL AS STORM WATER FROM THE COMBINED SEWER SYSTEM. THE POTW DISCHARGES INTO THE CUYAHOGA RIVER, WHICH EMPTIES INTO LAKE ERIE. THE OHIO ENVIRONMENTAL PROTECTION AGENCY ( OEPA ) REISSUED A NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM ( NPDES ) PERMIT, NO. OH0023833, TO AKRON ON NOVEMBER 28, 1984. ATTACHMENT A. THE PERMIT CONTAINED FINAL EFFLUENT LIMITS WHICH WERE EFFECTIVE UPON ISSUANCE OF THE PERMIT. THE OEPA MODIFIED THE PERMIT ON SEPTEMBER 8, 1986, TO INCLUDE INITIAL AND INTERIM EFFLUENT LIMITS AND A SCHEDULE UNDER WHICH AKRON IS TO ACHIEVE COMPLIANCE WITH ITS FINAL EFFLUENT LIMITS NO LATER THAN JULY 1, 1988. ATTACHMENT B. THE PERMIT EXPIRES NOVEMBER 25, 1989. THE PERMIT ESTABLISHED EFFLUENT LIMITS FOR A NUMBER OF PA- RAMETERS, INCLUDING, BUT NOT LIMITED TO, BIOCHEMICAL OXYGEN DEMAND ( BOD ), SUSPENDED SOLIDS ( SS ), AMMONIA, ZINC, PHO- SPHORUS, CADMIUM, COPPER AND MERCURY. MONTHLY OPERATION RE- PORTS ( MORS ) PREPARED BY AKRON SHOW THAT THE CITY REPEATED LY HAD VIOLATED THE LIMITS FOR THESE AND OTHER PARAMETERS SINCE JANUARY, 1985. ATTACHMENT E.