Hanover Sewer Plant 12784 Buffalo Rd Irving, NY 14081 Phone : (716) 934-2231 Business Category Government Offices-City Village & Twp Legislative Bodies Hanover Town Of--wastewater Department Buffalo Rd Irving, NY 14081 Phone : (716) 934-2231 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Town Of Hanover--sewer Dept Buflo Rd Irving, NY 14081 Phone : (716) 934-2231 Town Of Hanover--sewer Dept Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools