Rivers in Kansas
Sappa Creek near Oberlin
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 17.00 ft |
| Moderate flood | 14.00 ft |
| Minor flood | 11.00 ft |
| Action | 9.00 ft |
- 27.50 ftThe creek will begin to overflow the southern end of the Highway 83 bridge.
- 24.50 ftThe creek will overflow the northern end of the Highway 83 bridge. Most of the roads to the north of the gage will become flooded.
- 24.00 ftWater will start hitting the bottom of the bridge.
- 21.30 ftWater reaches the street that is just to the northwest of the Highway 83 bridge.
- 17.50 ftThe access road to the southeast of the bridge and gage site will become inundated.
- 15.00 ftModerate flooding will occur in nearby agricultural fields and low lying areas.
- 11.00 ftWater spreads over agricultural fields and low lying areas with actual water depth in creek at about 6 feet.
Flood outlook
Chance of flooding, October to December
| 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 October 22, 2025.
Crest history
62 crests on NOAA’s list since 1956.
| # | Date | Stage |
|---|---|---|
| 1 | June 15, 1996 | 18.16 ft |
| 2 | June 16, 1996 | 18.10 ft |
| 3 | July 6, 1956 | 16.57 ft |
| 4 | June 19, 1975 | 16.53 ft |
| 5 | March 21, 1960 | 16.38 ft |
| 6 | June 12, 1965 | 15.65 ft |
| 7 | June 28, 1957 | 14.82 ft |
| 8 | May 18, 1957 | 14.70 ft |
| 9 | June 22, 1975 | 14.45 ft |
| 10 | July 3, 1982 | 14.14 ft |
| 11 | June 18, 1957 | 13.83 ft |
| 12 | June 13, 1983 | 13.80 ft |
| 13 | June 23, 1996 | 13.75 ft |
| 14 | June 16, 1957 | 13.61 ft |
| 15 | June 11, 1960 | 13.50 ft |
| 16 | June 10, 1960 | 13.50 ft |
| 17 | July 2, 1957 | 13.21 ft |
| 18 | July 16, 1979 | 13.00 ft |
| 19 | May 24, 2008 | 13.00 ft |
| 20 | August 28, 1968 | 13.00 ft |
| 21 | July 11, 1965 | 12.90 ft |
| 22 | October 1, 1965 | 12.85 ft |
| 23 | August 19, 1956 | 12.73 ft |
| 24 | October 20, 1965 | 12.55 ft |
| 25 | October 21, 1965 | 12.55 ft |
Most recent crests
- May 24, 2008: 13.00 ft
- June 16, 2006: 7.98 ft
- August 28, 2005: 8.14 ft
- July 23, 2004: 8.72 ft
- April 29, 2003: 10.48 ft
- April 22, 2001: 10.57 ft
- January 24, 2000: 6.62 ft
- August 1, 1999: 11.72 ft
- August 5, 1998: 11.82 ft
- September 17, 1997: 7.48 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. Stage measured manually and reported by river observer. No automated gauge on-site.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.