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Peak Streamflow for the Nation

USGS 08012150 Mermentau River At Mermentau, LA

Jefferson Davis Parish, Louisiana
Hydrologic Unit Code 08080202
Latitude  30°11'24.0", Longitude  92°35'26.0" NAD83
Drainage area 1,381.00  square miles
Gage datum -1.29 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)
1940 1940-08-01    
1941 1941-06-02    
1942 1942-06-13    
1943 1943-09-25    
1944 1943-11-11    
1945 1945-02-09    
1946 1946-07-10    
1947 1947-01-20    
1948 1948-03-07    
1949 1949-03-31    
1950 1950-01-10    
1951 1951-02-18    
1952 1952-07-19    
1953 1953-05-23    
1954 1954-01-14    
1955 1955-02-10    
1956 1956-02-11    
1957 1957-06-30    
1958 1958-09-23    
1959 1959-02-05    
1960 1959-12-21    
1961 1961-02-23    
1962 1961-12-20    
1963 1963-09-21    
1964 1964-03-04    
1965 1965-03-04    
1966 1966-02-17    
1967 1967-04-18    
1968 1968-01-11    
1969 1969-04-18    
1970 1970-09-25    
1971 1971-09-20    
1972 1971-12-10    
1973 1973-04-21    
1974 1974-01-28    
1975 1975-01-12    
1976 1976-03-29    
1977 1977-04-25    
1978 1977-12-05    
1979 1979-06-04    
1980 1980-05-19    
1985 1985-09-24   34,9002
1986 1985-11-02   58,0001
1987 1987-01-23   15,200
1988 1988-02-08   23,100
1989 1989-07-05   38,200
1990 1990-02-08   27,700
1991 1991-01-12   22,800
1992 1992-01-22   15,7001
1993 1993-04-08   14,4001
1994 1993-11-16   10,5001
1995 1995-03-15   18,0001
1996 1996-08-31   7,1501
1997 1996-10-28   27,400
1998 1998-01-13   20,4001
1999 1999-01-02   10,900
2000 2000-05-09   6,160
2001 2001-09-06 4.992 17,700
2002 2002-04-12 3.882 13,300
2003 2002-11-06 6.892 26,300
2004 2004-05-18 8.762 47,600
2005 2004-11-07 3.342 13,500
2006 2006-02-03 2.902 11,500
2007 2006-10-31 6.232 28,900
2008 2008-09-07 3.492 13,000
2009 2009-04-22 4.982 18,800
2010 2009-12-19 4.542 12,800
2011 2011-03-05 2.082 9,110
2012 2012-01-13 4.212 18,400
2013 2013-01-15 10.422 42,200
2014 2014-05-31 3.982 16,700
2015 2015-04-19 4.652 15,900
2016 2016-08-18 10.682 40,400
2017 2017-05-06 8.612 33,800
2018 2018-02-12 3.412 11,200
2019 2019-05-14 6.232 22,400
2020 2020-08-31 5.462 13,600
2021 2021-05-22 7.48 22,7002
2022 2021-10-01 4.342 8,930
2023 2023-02-03 5.242 17,300
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.