Atchafalaya River at Melville
Highest listed crest 46.98 ftFlood stage 34.0 ft142 crests since 1885
The Atchafalaya River at Melville crested above flood stage 61 times among the 142 crests the National Weather Service lists from 1885 to 2025. The highest, 46.98 ft on May 14, 1927, was moderate flooding, 12.98 feet above flood stage. 2 other gauges on the Atchafalaya River crested above flood stage within a week of it, 2 at their own highest listed crest.
The gauge
- Highest listed crest
- 46.98 ft
- May 14, 1927
- Flood stage
- 34.0 ft
- Major flooding from 50.0 ft
- Crests at major
- 0
- 61 above flood stage
- Most recent flood crest
- May 24, 2011
- 35.69 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 33.0 | 5 | Mar 28, 1997 |
| Flood stage (minor) | 34.0 | 57 | May 24, 2011 |
| Moderate flood stage | 45.0 | 4 | Mar 5, 1950 |
| Major flood stage | 50.0 | 0 | — |
Every listed crest
142 crests from 1885 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- 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.
Highest crests
The 50 highest of 142 listed crests.
| 1 | May 14, 1927 | 46.98 | +12.98 | Moderate |
| 2 | May 14, 1922 | 46.08 | +12.08 | Moderate |
| 3 | Apr 25, 1945 | 45.88 | +11.88 | Moderate |
| 4 | Mar 5, 1950 | 45.00 | +11.00 | Moderate |
| 5 | Mar 2, 1937 | 44.98 | +10.98 | Minor |
| 6 | May 14, 1973 | 44.43 | +10.43 | Minor |
| 7 | Feb 14, 1916 | 43.18 | +9.18 | Minor |
| 8 | Mar 5, 1932 | 42.98 | +8.98 | Minor |
| 9 | May 20, 1920 | 42.68 | +8.68 | Minor |
| 10 | Jun 9, 1929 | 42.38 | +8.38 | Minor |
| 11 | May 6, 1912 | 41.88 | +7.88 | Minor |
| 12 | Apr 24, 1913 | 41.68 | +7.68 | Minor |
| 13 | May 20, 1944 | 41.58 | +7.58 | Minor |
| 14 | Apr 17, 1975 | 40.80 | +6.80 | Minor |
| 15 | Feb 22, 1949 | 40.18 | +6.18 | Minor |
| 16 | Apr 16, 1923 | 40.08 | +6.08 | Minor |
| 17 | Jun 22, 1908 | 39.88 | +5.88 | Minor |
| 18 | Apr 30, 1917 | 39.78 | +5.78 | Minor |
| 19 | Jul 4, 1935 | 39.78 | +5.78 | Minor |
| 20 | May 31, 1961 | 39.48 | +5.48 | Minor |
| 21 | Apr 4, 1939 | 39.28 | +5.28 | Minor |
| 22 | Apr 4, 1903 | 38.88 | +4.88 | Minor |
| 23 | Jun 13, 1957 | 38.71 | +4.71 | Minor |
| 24 | Apr 27, 1938 | 38.68 | +4.68 | Minor |
| 25 | Apr 16, 1962 | 38.68 | +4.68 | Minor |
| 26 | Jun 13, 1933 | 38.58 | +4.58 | Minor |
| 27 | Jun 15, 1943 | 38.28 | +4.28 | Minor |
| 28 | May 12, 1921 | 38.08 | +4.08 | Minor |
| 29 | Feb 19, 1907 | 37.88 | +3.88 | Minor |
| 30 | Mar 3, 1946 | 37.88 | +3.88 | Minor |
| 31 | May 26, 1958 | 37.84 | +3.84 | Minor |
| 32 | Jul 23, 1928 | 37.78 | +3.78 | Minor |
| 33 | Apr 18, 1952 | 37.60 | +3.60 | Minor |
| 34 | Apr 17, 1919 | 37.58 | +3.58 | Minor |
| 35 | Apr 21, 1948 | 37.51 | +3.51 | Minor |
| 36 | May 1, 1914 | 37.48 | +3.48 | Minor |
| 37 | Mar 7, 1915 | 37.48 | +3.48 | Minor |
| 38 | Apr 14, 1955 | 37.24 | +3.24 | Minor |
| 39 | May 29, 1953 | 37.09 | +3.09 | Minor |
| 40 | May 12, 1911 | 36.88 | +2.88 | Minor |
| 41 | Mar 15, 1951 | 36.68 | +2.68 | Minor |
| 42 | May 15, 1897 | 36.28 | +2.28 | Minor |
| 43 | Apr 6, 1909 | 36.28 | +2.28 | Minor |
| 44 | May 4, 1906 | 36.18 | +2.18 | Minor |
| 45 | May 8, 1947 | 36.11 | +2.11 | Minor |
| 46 | May 31, 1983 | 36.10 | +2.10 | Minor |
| 47 | Apr 29, 1979 | 36.00 | +2.00 | Minor |
| 48 | Jan 31, 1924 | 35.98 | +1.98 | Minor |
| 49 | Feb 8, 1974 | 35.78 | +1.78 | Minor |
| 50 | May 24, 2011 | 35.69 | +1.69 | Minor |
The worst floods along the Atchafalaya River
For this gauge's highest crests, the other gauges on the Atchafalaya River that crested above flood stage within a week.
May 14, 1927: 46.98 ft here, moderate flooding
- SimmesportLA · May 16, 1927 · 59.13 ft · Major · its highest
- Krotz SpringsLA · May 15, 1927 · 38.50 ft · Minor · its highest
May 14, 1922: 46.08 ft here, moderate flooding
- SimmesportLA · May 16, 1922 · 57.33 ft · Major
- Krotz SpringsLA · May 14, 1922 · 37.55 ft · Minor
April 25, 1945: 45.88 ft here, moderate flooding
- SimmesportLA · Apr 30, 1945 · 57.14 ft · Major
- Butte La RoseLA · Apr 28, 1945 · 25.70 ft · Moderate
- Krotz SpringsLA · Apr 29, 1945 · 38.10 ft · Minor
Gauges on the Atchafalaya River
Flood gauges sharing the river's name, linked within 80 miles of one another.
| Butte La Rose | LA | 27.28 ft, May 23, 1973 | 0 |
| Bayou Sorrel Landside | LA | 7.80 ft, Aug 17, 2016 | 0 |
| Bayou Sorrel Lock | LA | 18.10 ft, May 23, 1973 | 0 |
| Krotz Springs | LA | 38.50 ft, May 15, 1927 | 0 |
| Melville this gauge | LA | 46.98 ft, May 14, 1927 | 0 |
| Morgan City | LA | 10.53 ft, May 28, 1973 | 0 |
| Simmesport | LA | 59.13 ft, May 16, 1927 | 15 |
Other gauges in St. Landry Parish
| Krotz Springs | 38.50 ft, May 15, 1927 | 0 |
| Drainage Structure | 20.60 ft, Feb 7, 1974 | 0 |
| Washington | 35.29 ft, May 22, 1953 | 1 |
| Eunice | 22.37 ft, Aug 15, 2016 | 7 |
| Palmetto | 27.55 ft, Jul 19, 2019 | 0 |
St. Landry Parish: every hazard · River floods across the country · Louisiana
NOAA National Water Prediction Service, gauge MLVL1, 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.