RESPONDENT OWNS AND OPERATED A SWINE FARM IN LANCASTER COUNTS,PA. RESPONDENT HAS NO NPDES PERMIT FOR HIS CAFO. RESPONDENT LAND APPLIED SWINE MANURE TO TOW TOHIS FIELDS, AT RATES THAT EXCEEDED THE APPROPRIATE AGRONOMIC RATE. AFTER A NUMBER OF MAIN EVENTS THE TWO FIELDS DISCHARGE NITROGEN AND PHOSPHORUS INTO WATERS TO THE U.S.