| 9.5 | Water begins to affect Alleghany Springs Rd. (Route 637) downstream from the gage. | | 9.0 | Water reaches bottom of Route 638 bridge upstream from the gage. | | 8.0 | Water reaches the base of the USGS/IFLOWS gage. | | 7.5 | Water over Old Roanoke Rd. off Route 460 between Shawsville and Lafayette. | | 7.0 | Fields up and downstream from the gage are flooded. Water reaches the base of several elevated homes on Old Roanoke Road off of Route 460. | | 5.0 | Minor overbank flooding begins adjacent to the river. |
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1) 11.12 ft on 06/21/1972
2) 9.27 ft on 09/21/1979
3) 8.88 ft on 09/06/1996
4) 8.86 ft on 09/28/2004
5) 8.81 ft on 11/04/1985
6) 8.66 ft on 02/22/2003
7) 8.15 ft on 04/21/1992
8) 8.05 ft on 09/22/1989
9) 8.00 ft on 11/12/2009
10) 7.79 ft on 04/10/1983
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Low water records are unavailable.
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