22' - This is similar to the FEMA 1 percent flood. Flooding of portions of Route 33 extends to near Haydenville. Major flooding occurs in Logan, Rockbridge, Haydenville and Enterprise. Evacuations may be necessary or property may need to be moved to higher ground. Portions of State Route 93 and State Route 664 are impacted in addition to flooding of low-lying roads near the river.
21' - Major flooding occurs with much of Enterprise, Logan and Rockbridge affected. Several homes and businesses in these communities are flooded with evacuations possibly necessary. Portions of Old Route 33 are covered with water, as well as portions of State Route 93 and other low-lying roads near the river.
19' - Many homes and structures in Rockbridge are flooded. Portions of Front Street in Logan become flooded including some homes and businesses. Evacuations may become necessary along Mineral Avenue. Low-lying roads along the river between Rockbridge and Logan become flooded. Flooding continues along Haydenville Road, State Route 93 and Voris Road.
18' - Several homes in Rockbridge are flooded, especially near and east of Jackson Street. Portions of Front Street in Logan are flooded. Long stretches of Chieftain Drive is flooded. Flooding of a few homes and businesses occurs in Logan. Evacuations may be necessary along Mineral Avenue. Much of Rockbridge is flooded. Flooding also worsens along State Route 93 and Voris Road.
17' - Flooding continues in the Village of Rockbridge, especially between east of Jackson Street, with water surrounding homes and buildings on Mill and Main Streets. Several roads both upstream and downstream of Logan become flooded, especially along Chieftain Drive. Flooding will also affect low areas along Haydenville Road near Enterprise and State Route 93 near Logan and Voris Road in Enterprise. Kachelmacher and Mingo Parks in Logan are flooded.
16' - Flooding affects Voris Road in Enterprise. Flooding affects some low areas of Chieftan Drive, Haydenville and Enterprise roads and State Route 93 near Logan.
15' - Water spills onto some side roads to Route 33 near Enterprise. Some areas of Rockbridge experience flooding, as well as some low-lying roads near Sugar Grove. Portions of Route 93 south of Logan become flooded, with water approaching Chieftan Drive.
14' - Water spills into Kachemacher Park in Logan and onto low-lying roads near Haydenville Road at some locations along the river. Also, water will be across State Route 93 just south of Logan. Lowland flooding also occurs in Rockbridge.
13' - Flooding begins on State Route 93 just south of Logan. Lowland flooding can be expected in portions of West Logan, with lowland flooding near Rockbridge. Chieftan Drive and Zeller road along the river are also flooded.
12.5' - Flooding extends well into the floodplain along the river. Flood waters extend to near the skirting of a couple of homes along the river in Rockbridge and closes Voris Road, Roley Road and Dupler Road.
12' - The river comes out of its banks and begins to cover the flood plain area mainly near Rockbridge, with low areas near Enterprise also affected.