Floyd River at Merrill
Observed Mon, Sep 21, 8:30 PM CDT
- Flood stage
- 12.00 ft
- Record crest
- 20.19 ft2024
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 16.00 ft |
| Moderate flood | 14.00 ft |
| Minor flood | 12.00 ft |
| Action | 10.00 ft |
- 24.00 ft230th Street east of the bridge at the gage will be flooded. Water nears the feedhorn of the automated sensor and thus river level data may be lost.
- 23.00 ftWater reaches the bottom of the bridge at the gauging location on 230th Street.
- 22.00 ftPortions of Hwy 75 near Merrill begin to flood. The bridge on County Road C38 is overtopped. The highest banks and levees are overtopped.
- 20.50 ftThe railroad tracks at the bridge 750 feet upstream of the gage are flooded.
- 19.00 ftWater reaches the bottom of the bridge on County Road C38. Approximately 2200 acres of farm land are flooded.
- 17.50 ftThe levees protecting the sewage treatment lagoons on the left bank of the river are overtopped.
- 16.00 ftFlooding begins to affect the eastern edges of the city of Merrill, including some structures. The lowest portions of C44 also begin to flood. About 2000 acres of farm land are under water.
- 14.00 ftApproximately 1600 acres of farm land are flooded. The utility station off of C44 may flood if levee protection fails.
- 12.00 ftFlooding of the low lying farm land begins.
- 10.00 ftThe lowest banks begin to be overtopped.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 26, 2026.
Crest history
51 crests on NOAA’s list since 1901.
| # | Date | Stage |
|---|---|---|
| 1 | June 23, 2024 | 20.19 ft |
| 2 | September 18, 1926 | 20.00 ft |
| 3 | June 7, 1934 | 18.40 ft |
| 4 | June 8, 1953 | 18.00 ft |
| 5 | March 15, 2019 | 17.60 ft |
| 6 | September 21, 2018 | 17.00 ft |
| 7 | June 16, 1983 | 17.00 ft |
| 8 | March 24, 1979 | 17.00 ft |
| 9 | January 1, 1901 | 16.80 ft |
| 10 | April 5, 1969 | 16.60 ft |
| 11 | April 4, 1966 | 16.50 ft |
| 12 | March 29, 1962 | 16.03 ft |
| 13 | March 29, 1960 | 16.00 ft |
| 14 | February 19, 1971 | 15.98 ft |
| 15 | June 21, 1996 | 15.90 ft |
| 16 | March 5, 1937 | 15.60 ft |
| 17 | June 4, 1942 | 15.25 ft |
| 18 | June 9, 1932 | 15.00 ft |
| 19 | March 30, 1952 | 14.80 ft |
| 20 | March 28, 1912 | 14.80 ft |
| 21 | March 22, 1917 | 14.50 ft |
| 22 | March 10, 1936 | 14.50 ft |
| 23 | June 18, 1950 | 14.50 ft |
| 24 | July 4, 1951 | 14.30 ft |
| 25 | May 13, 1944 | 14.20 ft |
Most recent crests
- July 31, 2025: 8.44 ft
- June 23, 2024: 20.19 ft
- August 7, 2023: 3.75 ft
- June 24, 2020: 2.19 ft
- March 15, 2019: 17.60 ft
- September 21, 2018: 17.00 ft
- July 31, 2010: 12.20 ft
- April 14, 2001: 10.00 ft
- March 12, 1997: 8.70 ft
- June 21, 1996: 15.90 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. Gauge reading may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.