Highest listed crest 25.17 ft June 28, 1949; 12,000 cubic feet per second
Flood stage 21.0 ft Major flooding from 40.0 ft
Crests at major 0 74 above flood stage
Most recent flood crest July 29, 2020 23.40 ft, minor flooding Listed crests at the Turkey Creek (KS) near Seneca, 1949 to 2023 0 10 20 30 40 ft Flood stage 21.0 ft Major 40.0 ft Jun 28, 1949: 25.17 ft, moderate flooding; 12,000 cubic feet per second May 9, 1950: 22.10 ft, minor flooding; 7,020 cubic feet per second Oct 2, 1950: 22.76 ft, minor flooding; 7,920 cubic feet per second May 1, 1951: 23.37 ft, minor flooding; 9,140 cubic feet per second Jun 7, 1951: 22.08 ft, minor flooding; 6,730 cubic feet per second Jun 15, 1951: 23.53 ft, moderate flooding; 9,460 cubic feet per second Jun 22, 1951: 22.10 ft, minor flooding; 6,760 cubic feet per second Jun 26, 1951: 22.28 ft, minor flooding; 7,050 cubic feet per second Jul 18, 1951: 22.40 ft, minor flooding; 7,260 cubic feet per second Jul 23, 1951: 21.75 ft, minor flooding; 6,250 cubic feet per second Sep 12, 1951: 21.16 ft, minor flooding; 5,490 cubic feet per second May 22, 1952: 21.99 ft, minor flooding; 6,590 cubic feet per second Apr 30, 1953: 13.40 ft, below flood stage; 1,320 cubic feet per second Jun 17, 1954: 24.18 ft, moderate flooding; 10,800 cubic feet per second Aug 8, 1954: 23.10 ft, minor flooding; 8,600 cubic feet per second Jun 25, 1955: 18.88 ft, action stage; 3,230 cubic feet per second Jun 27, 1956: 9.87 ft, below flood stage; 670 cubic feet per second Jun 18, 1957: 10.60 ft, below flood stage; 890 cubic feet per second Jul 11, 1958: 23.51 ft, moderate flooding; 15,200 cubic feet per second Sep 4, 1958: 24.20 ft, moderate flooding; 18,000 cubic feet per second Jul 4, 1959: 17.97 ft, action stage; 3,140 cubic feet per second Mar 28, 1960: 22.73 ft, minor flooding; 11,700 cubic feet per second Sep 13, 1961: 20.18 ft, action stage; 5,370 cubic feet per second Oct 1, 1961: 20.90 ft, action stage; 6,700 cubic feet per second May 28, 1962: 21.51 ft, minor flooding; 6,180 cubic feet per second Jul 20, 1962: 20.59 ft, action stage; 6,080 cubic feet per second May 15, 1963: 15.07 ft, below flood stage; 2,020 cubic feet per second Apr 26, 1964: 16.34 ft, action stage; 2,850 cubic feet per second Mar 1, 1965: 19.21 ft, action stage; 4,130 cubic feet per second Jun 29, 1965: 24.70 ft, moderate flooding; 20,400 cubic feet per second Sep 21, 1965: 20.79 ft, action stage; 5,230 cubic feet per second Sep 22, 1966: 12.50 ft, below flood stage; 1,700 cubic feet per second Jun 12, 1967: 23.18 ft, minor flooding; 9,900 cubic feet per second Jul 16, 1968: 11.72 ft, below flood stage; 1,510 cubic feet per second Feb 26, 1969: 18.53 ft, action stage; 3,760 cubic feet per second May 8, 1969: 20.04 ft, action stage; 4,630 cubic feet per second May 22, 1969: 18.75 ft, action stage; 3,740 cubic feet per second Jun 27, 1969: 17.86 ft, action stage; 3,340 cubic feet per second Jul 16, 1970: 18.89 ft, action stage; 3,800 cubic feet per second May 22, 1971: 16.44 ft, action stage; 2,750 cubic feet per second Aug 3, 1972: 16.62 ft, action stage; 2,590 cubic feet per second Feb 1, 1973: 18.51 ft, action stage; 3,360 cubic feet per second Mar 11, 1973: 20.38 ft, action stage; 4,680 cubic feet per second Mar 31, 1973: 23.04 ft, minor flooding; 9,200 cubic feet per second May 8, 1973: 18.07 ft, action stage; 3,140 cubic feet per second Jul 20, 1973: 23.01 ft, minor flooding; 9,050 cubic feet per second Sep 27, 1973: 22.74 ft, minor flooding; 8,120 cubic feet per second Oct 11, 1973: 24.77 ft, moderate flooding; 21,400 cubic feet per second May 30, 1975: 16.80 ft, action stage; 2,780 cubic feet per second Apr 18, 1976: 19.70 ft, action stage; 4,090 cubic feet per second Sep 2, 1977: 19.96 ft, action stage; 4,270 cubic feet per second Sep 12, 1977: 22.94 ft, minor flooding; 9,820 cubic feet per second Mar 14, 1978: 19.57 ft, action stage; 3,800 cubic feet per second Mar 19, 1978: 20.30 ft, action stage; 4,400 cubic feet per second Apr 18, 1978: 21.62 ft, minor flooding; 6,340 cubic feet per second May 7, 1978: 24.01 ft, moderate flooding; 14,000 cubic feet per second Jun 28, 1978: 19.30 ft, action stage; 3,610 cubic feet per second Jul 23, 1978: 22.33 ft, minor flooding; 7,990 cubic feet per second Mar 3, 1979: 23.38 ft, minor flooding; 11,500 cubic feet per second Mar 18, 1979: 21.53 ft, minor flooding; 6,160 cubic feet per second Mar 23, 1979: 21.83 ft, minor flooding; 6,760 cubic feet per second Mar 30, 1980: 22.61 ft, minor flooding; 8,870 cubic feet per second Apr 3, 1980: 19.20 ft, action stage; 3,770 cubic feet per second Aug 6, 1981: 18.24 ft, action stage; 3,300 cubic feet per second May 21, 1982: 22.80 ft, minor flooding; 11,200 cubic feet per second May 26, 1982: 22.94 ft, minor flooding; 11,800 cubic feet per second Mar 27, 1983: 22.46 ft, minor flooding; 9,860 cubic feet per second Jun 18, 1983: 23.43 ft, minor flooding; 14,200 cubic feet per second Apr 3, 1984: 22.89 ft, minor flooding; 9,600 cubic feet per second Jun 10, 1984: 23.20 ft, minor flooding; 10,600 cubic feet per second Sep 13, 1985: 18.79 ft, action stage; 3,500 cubic feet per second Jul 7, 1986: 23.15 ft, minor flooding; 11,800 cubic feet per second Oct 12, 1986: 21.80 ft, minor flooding; 7,330 cubic feet per second Mar 25, 1987: 22.47 ft, minor flooding; 9,330 cubic feet per second Apr 14, 1987: 22.82 ft, minor flooding; 10,500 cubic feet per second Jun 29, 1987: 21.85 ft, minor flooding; 7,460 cubic feet per second Jul 20, 1988: 7.84 ft, below flood stage; 616 cubic feet per second Sep 9, 1989: 23.47 ft, minor flooding; 13,200 cubic feet per second Jun 15, 1990: 23.50 ft, moderate flooding; 13,300 cubic feet per second May 17, 1991: 18.76 ft, action stage; 4,420 cubic feet per second Jul 25, 1992: 24.47 ft, moderate flooding; 19,600 cubic feet per second Sep 2, 1992: 22.29 ft, minor flooding; 6,680 cubic feet per second Mar 31, 1993: 22.89 ft, minor flooding; 8,260 cubic feet per second May 8, 1993: 23.22 ft, minor flooding; 9,950 cubic feet per second Jul 1, 1993: 23.64 ft, moderate flooding; 12,500 cubic feet per second Jul 7, 1993: 24.06 ft, moderate flooding; 15,800 cubic feet per second Jul 18, 1993: 23.62 ft, moderate flooding; 12,400 cubic feet per second Jul 22, 1993: 22.93 ft, minor flooding; 8,450 cubic feet per second Mar 4, 1994: 13.47 ft, below flood stage May 8, 1995: 23.38 ft, minor flooding May 13, 1995: 23.73 ft, moderate flooding May 27, 1995: 22.22 ft, minor flooding May 10, 1996: 18.40 ft, action stage; 4,010 cubic feet per second Jun 25, 1997: 21.50 ft, minor flooding; 6,220 cubic feet per second Mar 30, 1998: 23.92 ft, moderate flooding May 17, 1999: 22.41 ft, minor flooding May 21, 1999: 22.91 ft, minor flooding May 31, 1999: 23.07 ft, minor flooding; 10,900 cubic feet per second Jul 4, 2000: 18.26 ft, action stage; 4,520 cubic feet per second Sep 17, 2001: 22.68 ft, minor flooding; 9,400 cubic feet per second May 12, 2002: 12.96 ft, below flood stage; 2,550 cubic feet per second May 9, 2003: 14.93 ft, below flood stage; 3,680 cubic feet per second Mar 5, 2004: 18.13 ft, action stage; 5,330 cubic feet per second May 12, 2005: 15.46 ft, below flood stage; 4,010 cubic feet per second Jul 11, 2006: 11.81 ft, below flood stage; 2,310 cubic feet per second May 7, 2007: 23.20 ft, minor flooding; 10,640 cubic feet per second May 25, 2007: 21.78 ft, minor flooding; 7,552 cubic feet per second Sep 7, 2007: 22.70 ft, minor flooding; 8,847 cubic feet per second May 16, 2009: 22.78 ft, minor flooding; 11,948 cubic feet per second Jun 2, 2010: 23.11 ft, minor flooding; 9,891 cubic feet per second Feb 14, 2011: 8.03 ft, below flood stage; 1,230 cubic feet per second Jun 15, 2012: 7.96 ft, below flood stage; 1,210 cubic feet per second May 30, 2013: 21.46 ft, minor flooding; 7,430 cubic feet per second Jun 7, 2014: 13.48 ft, below flood stage; 3,190 cubic feet per second Jun 5, 2015: 23.71 ft, moderate flooding; 11,900 cubic feet per second Dec 14, 2015: 20.28 ft, action stage; 6,630 cubic feet per second May 1, 2017: 15.24 ft, below flood stage; 4,120 cubic feet per second May 8, 2019: 23.08 ft, minor flooding May 24, 2019: 23.26 ft, minor flooding May 29, 2019: 21.17 ft, minor flooding Jun 23, 2019: 22.99 ft, minor flooding Jul 29, 2020: 23.40 ft, minor flooding; 10,800 cubic feet per second Mar 15, 2021: 15.43 ft, below flood stage; 3,620 cubic feet per second May 26, 2022: 14.17 ft, below flood stage; 3,270 cubic feet per second Apr 20, 2023: 13.07 ft, below flood stage; 2,890 cubic feet per second Highest, 25.17 ft, Jun 28, 1949 1950 1960 1970 1980 1990 2000 2010 2020 Crests at or above flood stage, by decade Crests at or above flood stage per decade, Turkey Creek (KS) near Seneca 1940s: 1 1950s: 15 1960s: 4 1970s: 11 1980s: 13 1990s: 17 17 2000s: 5 2010s: 7 2020s: 1 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. Nemaha County: every hazard · River floods across the country · Kansas
NOAA National Water Prediction Service, gauge SNCK1, 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.