Low Water Records for Rock River at Rockton (1) 1.89 ft on 09/20/2012 (2) 1.93 ft on 09/08/2003 (3) 2.04 ft on 09/13/1988 (4) 2.06 ft on 07/13/2012 (5) 2.22 ft on 10/29/2005 (6) 2.54 ft on 10/14/1997 (7) 2.66 ft on 08/16/2015 (8) 2.74 ft on 02/26/2015