Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for the Nation

USGS 05487470 South River near Ackworth, IA

Warren County, Iowa
Hydrologic Unit Code 07100008
Latitude  41°20'16.4", Longitude  93°29'11.1" NAD83
Drainage area 460  square miles
Gage datum 769.84 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1930 1930-06 24.50Bd 30,0007,Bd
1940 1940-08-11 8.30 1,770
1941 1941-06-09 20.60 13,400
1942 1941-11-01 18.70 9,480
1943 1943-05-15 15.10 6,130
1944 1944-05-22 19.70 10,900
1945 1945-04-16 19.60 11,800
1946 1946-06-19 20.00 12,600
1947 1947-06-05 24.60 34,000
1948 1948-03-15 16.00 8,900
1949 1949-06-25 17.80 11,000
1950 1950-05-09 20.10 15,200
1951 1951-05-26 18.84 13,100
1952 1952-06-22 21.83 16,600
1953 1953-06-10 20.65 16,200
1954 1954-04-25 13.70 7,100
1955 1955-07-10 12.02 5,500
1956 1956-08-18 7.69 2,350
1957 1957-04-03 9.01 3,130
1958 1958-07-02 14.43 6,040
1959 1959-05-22 22.81 13,700
1960 1960-03-30 22.60 18,100
1961 1961-02-18 19.80 11,400
1962 1962-03-19 25.53 12,300
1963 1963-04-29 20.82 7,260
1964 1964-06-23 16.90 4,480
1965 1965-03-17 25.47 12,100
1966 1966-05-15 25.58 12,100
1967 1967-06-12 25.35 11,500
1968 1968-04-23 14.87 3,810
1969 1969-07-18 28.20 15,200
1970 1970-08-08 27.46 14,500
1971 1970-10-09 22.00 9,200
1972 1972-08-06 24.98 12,000
1973 1973-02-02 27.35 14,400
1974 1974-06-10 29.07 19,500
1975 1975-06-27 21.73 9,060
1976 1976-04-24 24.34 11,800
1977 1977-08-26 26.99 15,800
1978 1978-04-18 24.17 11,600
1979 1979-04-25 16.68 4,880
1980 1980-06-15 24.31 11,900
1981 1981-07-05 32.85 32,700
1982 1982-07-16 32.00 26,000
1983 1982-12-28 21.47 10,300
1984 1984-04-30 23.15 10,900
1985 1985-06-24 18.08 5,700
1986 1986-07-12 21.42 8,630
1987 1987-08-27 29.55 19,900
1988 1987-11-28 15.50 3,670
1989 1989-09-09 11.87 1,800
1990 1990-06-17 31.25 38,100
1991 1991-04-19 26.93 19,200
1992 1992-09-16 26.77 14,600
1993 1993-07-06 30.02 32,200
1994 1994-03-04 15.44 4,100
1995 1995-05-08 17.89 5,670
1996 1996-05-10 26.04 20,800
1997 1997-05-07 22.10 13,400
1998 1998-03-30 25.91 21,700
1999 1999-04-16 16.44 8,330
2000 2000-06-25 16.60 6,580
2001 2001-05-13 22.13 13,800
2002 2002-05-11 13.20 3,360
2003 2003-06-25 18.18 8,400
2004 2004-08-04 19.18 9,660
2005 2005-05-13 17.10 7,130
2006 2006-08-14 14.26 4,260
2007 2007-05-07 28.42 20,900
2008 2008-07-29 31.57 35,700
2009 2009-04-27 25.21 20,800
2010 2010-07-20 25.91 22,500
2011 2011-05-25 25.672 20,300
2012 2012-04-15 19.35 10,100
2013 2013-04-18 27.38 26,300
2014 2014-09-10 29.91 31,100
2015 2015-06-25 31.87 34,800
2016 2015-12-14 24.27 17,800
2017 2017-04-05 16.87 7,120
2018 2018-09-04 15.63 5,730
2019 2019-05-28 24.06 17,700
2020 2020-03-20 19.43 9,870
2021 2021-04-08 18.36 8,540
2022 2022-05-03 15.24 5,170
2023 2023-02-27 11.45 2,470
2024 2024-05-20 22.68 14,500
?
  Peak Gage-Height Qualification Codes.
?
  Peak Streamflow Qualification Codes.