24' - Major flood, Rochester flood walls topped. Major and extensive flooding with damages in residential and commercial areas south of downtown and south suburbs. Evacuations possible. Flow = 55000 cfs.<br><br>23' - Canal locks topped at 23 feet<br><br>19' - Moderate flood, more widespread flooding southern suburbs. Areas above upper falls start to flood, including Bausch and Lomb and Barnard Simmons Plants. Flow 33000 cfs.<br><br>15' - Flood stage, minor flood, some residential flooding begins in southern suburbs, mile 12-18 in Henrietta and Chili. Flow 20000 cfs.<br><br>