12' - McHenry Waste Water Treatment Plant property is threatened. Miller Road is threatened west of the river in McHenry.
11' - Multiple structures along the river are threatened in downtown McHenry. River Road is threatened at IL-120 (Elm Street) in McHenry.
10.5' - IL-176 is threatened near Holiday Hills.
9' - Country Club Drive, Emerald Drive, and River Road near Chapel Hill Road are threatened in McHenry.
8.5' - Residences threatened along Country Club Drive and Emerald Drive in McHenry. Roadways threatened at Miller Riverfront Park in McHenry.
8' - Residences along River Road are threatened near Mary Lane in McHenry. Backwater causes Boone Creek to threaten parking lots in downtown McHenry. Numerous marinas are threatened in McHenry.
7' - Low-lying sections of Miller Riverfront Park inundated in McHenry.
6' - Backwater causes Boone Creek to inundate sections of the McHenry river walk.
5.5' - Water reaches bankfull along Country Club Drive and Emerald Drive in McHenry.
5' - Roadways and structures may be threatened in Frisch's Riverside subdivision along Lagoon and River Shore Drives.
4.5' - Roadways and structures may be threatened in the Holiday Hills subdivison along Holiday Drive.
3.5' - Boathouses threatened along the river downstream of the dam.
3' - Fox Waterway Agency considers "no wake" order for the Fox River from Algonquin Dam to Stratton Dam.