Highest listed crest 24.99 ft August 23, 1969; 17,100 cubic feet per second
Flood stage 12.0 ft No major stage set
Crests at major 0 44 above flood stage
Most recent flood crest January 13, 2024 13.22 ft, minor flooding Listed crests at the South Anna River near Ashland, 1928 to 2025 0 5 10 15 20 25 ft Flood stage 12.0 ft Aug 15, 1928: 24.00 ft, minor flooding; 14,500 cubic feet per second May 23, 1931: 8.79 ft, below flood stage; 2,200 cubic feet per second May 15, 1932: 10.46 ft, below flood stage; 2,890 cubic feet per second Jan 28, 1933: 11.30 ft, action stage; 3,230 cubic feet per second Mar 7, 1934: 9.63 ft, below flood stage; 2,520 cubic feet per second Sep 6, 1935: 19.04 ft, minor flooding; 8,740 cubic feet per second Jan 6, 1936: 15.50 ft, minor flooding; 5,380 cubic feet per second Apr 28, 1937: 22.77 ft, minor flooding; 13,700 cubic feet per second Oct 20, 1937: 13.98 ft, minor flooding; 4,630 cubic feet per second Feb 12, 1939: 10.95 ft, below flood stage; 3,100 cubic feet per second Apr 9, 1940: 11.08 ft, action stage; 3,230 cubic feet per second Apr 8, 1941: 9.02 ft, below flood stage; 2,300 cubic feet per second Aug 12, 1942: 11.97 ft, action stage; 3,740 cubic feet per second Oct 19, 1942: 12.43 ft, minor flooding; 3,990 cubic feet per second Aug 2, 1944: 11.73 ft, action stage; 3,560 cubic feet per second Jul 18, 1945: 13.10 ft, minor flooding; 4,450 cubic feet per second May 27, 1946: 12.10 ft, minor flooding; 3,800 cubic feet per second Mar 15, 1947: 8.71 ft, below flood stage; 2,170 cubic feet per second Aug 8, 1948: 14.38 ft, minor flooding; 5,420 cubic feet per second Dec 7, 1948: 16.00 ft, minor flooding; 6,150 cubic feet per second Mar 24, 1950: 9.40 ft, below flood stage; 2,470 cubic feet per second Jun 13, 1951: 8.19 ft, below flood stage; 1,970 cubic feet per second Sep 1, 1952: 13.92 ft, minor flooding; 4,640 cubic feet per second Nov 21, 1952: 12.95 ft, minor flooding; 4,150 cubic feet per second Mar 3, 1954: 7.83 ft, below flood stage; 1,860 cubic feet per second Aug 18, 1955: 17.19 ft, minor flooding; 7,220 cubic feet per second Jul 21, 1956: 22.22 ft, minor flooding; 12,800 cubic feet per second Nov 1, 1956: 9.35 ft, below flood stage; 2,480 cubic feet per second Aug 25, 1958: 11.68 ft, action stage; 3,400 cubic feet per second Dec 29, 1958: 9.72 ft, below flood stage; 2,600 cubic feet per second Apr 6, 1960: 11.90 ft, action stage; 3,480 cubic feet per second Feb 23, 1961: 11.55 ft, action stage; 3,650 cubic feet per second Oct 22, 1961: 17.47 ft, minor flooding; 7,650 cubic feet per second Mar 15, 1963: 11.84 ft, action stage; 3,750 cubic feet per second Feb 19, 1964: 10.27 ft, below flood stage; 3,010 cubic feet per second Mar 8, 1965: 9.47 ft, below flood stage; 2,650 cubic feet per second Sep 21, 1966: 10.15 ft, below flood stage; 2,960 cubic feet per second Mar 16, 1967: 9.09 ft, below flood stage; 2,470 cubic feet per second Jan 18, 1968: 10.17 ft, below flood stage; 2,950 cubic feet per second Aug 23, 1969: 24.99 ft, minor flooding; 17,100 cubic feet per second Jan 3, 1970: 8.94 ft, below flood stage; 2,280 cubic feet per second Jun 2, 1971: 12.63 ft, minor flooding; 4,180 cubic feet per second Jun 21, 1972: 20.90 ft, minor flooding; 12,600 cubic feet per second Oct 9, 1972: 19.54 ft, minor flooding; 9,690 cubic feet per second Dec 22, 1973: 12.00 ft, minor flooding; 3,830 cubic feet per second Sep 26, 1975: 17.48 ft, minor flooding; 7,640 cubic feet per second Jan 27, 1976: 11.91 ft, action stage; 3,820 cubic feet per second Oct 20, 1976: 10.39 ft, below flood stage; 3,060 cubic feet per second Jan 26, 1978: 15.56 ft, minor flooding; 6,190 cubic feet per second Feb 26, 1979: 17.76 ft, minor flooding; 7,970 cubic feet per second Oct 2, 1979: 16.13 ft, minor flooding; 6,550 cubic feet per second Feb 13, 1981: 4.79 ft, below flood stage; 785 cubic feet per second Feb 7, 1982: 9.94 ft, below flood stage; 2,850 cubic feet per second Apr 16, 1983: 10.47 ft, below flood stage; 3,100 cubic feet per second Mar 29, 1984: 14.79 ft, minor flooding; 5,550 cubic feet per second Aug 19, 1985: 18.55 ft, minor flooding; 8,720 cubic feet per second Nov 7, 1985: 16.30 ft, minor flooding; 6,690 cubic feet per second Apr 20, 1987: 13.91 ft, minor flooding; 4,940 cubic feet per second May 21, 1988: 9.80 ft, below flood stage; 2,790 cubic feet per second Jul 16, 1989: 13.85 ft, minor flooding; 4,910 cubic feet per second May 30, 1990: 16.93 ft, minor flooding; 7,190 cubic feet per second Jul 7, 1991: 11.76 ft, action stage; 3,750 cubic feet per second Sep 3, 1992: 7.99 ft, below flood stage; 2,000 cubic feet per second Mar 7, 1993: 15.30 ft, minor flooding; 5,920 cubic feet per second Dec 1, 1993: 17.41 ft, minor flooding; 7,630 cubic feet per second Jul 1, 1995: 11.07 ft, action stage; 3,400 cubic feet per second Jan 22, 1996: 12.64 ft, minor flooding; 4,210 cubic feet per second Dec 7, 1996: 9.74 ft, below flood stage; 2,760 cubic feet per second Mar 30, 2001: 9.08 ft, below flood stage; 2,460 cubic feet per second Jan 7, 2002: 8.82 ft, below flood stage; 2,350 cubic feet per second Dec 14, 2003: 12.47 ft, minor flooding; 3,740 cubic feet per second Jan 14, 2005: 10.09 ft, below flood stage; 2,730 cubic feet per second Dec 17, 2005: 7.99 ft, below flood stage; 1,920 cubic feet per second Jan 1, 2007: 12.39 ft, minor flooding; 3,700 cubic feet per second May 11, 2008: 10.48 ft, below flood stage; 2,890 cubic feet per second Dec 12, 2008: 8.47 ft, below flood stage; 2,090 cubic feet per second Sep 9, 2011: 14.83 ft, minor flooding; 5,030 cubic feet per second Dec 11, 2011: 12.28 ft, minor flooding; 3,650 cubic feet per second Mar 1, 2012: 9.81 ft, below flood stage; 2,620 cubic feet per second May 18, 2012: 8.40 ft, below flood stage; 2,070 cubic feet per second Jun 11, 2013: 11.21 ft, action stage; 3,180 cubic feet per second May 1, 2014: 16.17 ft, minor flooding; 6,390 cubic feet per second Dec 24, 2015: 10.24 ft, below flood stage; 2,820 cubic feet per second May 23, 2016: 10.56 ft, below flood stage; 3,070 cubic feet per second Feb 14, 2018: 12.74 ft, minor flooding; 4,240 cubic feet per second May 18, 2018: 16.91 ft, minor flooding; 7,320 cubic feet per second May 28, 2018: 10.16 ft, below flood stage; 3,040 cubic feet per second Jun 25, 2018: 13.16 ft, minor flooding; 4,470 cubic feet per second Sep 21, 2018: 11.71 ft, action stage; 3,710 cubic feet per second Oct 12, 2018: 11.94 ft, action stage; 3,820 cubic feet per second Nov 15, 2018: 10.02 ft, below flood stage; 2,920 cubic feet per second Dec 18, 2018: 8.83 ft, below flood stage; 2,400 cubic feet per second Dec 29, 2018: 9.37 ft, below flood stage; 2,630 cubic feet per second Feb 24, 2019: 11.81 ft, action stage; 3,730 cubic feet per second Mar 24, 2019: 10.29 ft, below flood stage; 3,030 cubic feet per second Aug 7, 2020: 14.63 ft, minor flooding; 5,340 cubic feet per second Nov 12, 2020: 18.15 ft, minor flooding; 8,570 cubic feet per second Jan 13, 2024: 13.22 ft, minor flooding; 4,480 cubic feet per second Feb 16, 2025: 10.99 ft, below flood stage Highest, 24.99 ft, Aug 23, 1969 1940 1960 1980 2000 2020 Crests at or above flood stage, by decade Crests at or above flood stage per decade, South Anna River near Ashland 1920s: 1 1930s: 4 1940s: 5 1950s: 4 1960s: 2 1970s: 8 8 1980s: 5 1990s: 4 2000s: 2 2010s: 6 2020s: 3 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable. Hanover County: every hazard · River floods across the country · Virginia
NOAA National Water Prediction Service, gauge AHLV2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.