Rivers in Illinois
Sangamon River at Riverton
Below flood stage
2.81ftStage
Observed Mon, Sep 21, 3:45 AM CDT
- Flood stage
- 23.00 ft
- Record crest
- 32.04 ft1926
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 29.00 ft |
| Moderate flood | 26.00 ft |
| Minor flood | 23.00 ft |
| Action | 17.00 ft |
- 30.00 ftAll lanes of Business 55 covered by water at Riverside Park just north of Springfield.
- 29.50 ftIL Route 54 East of Bridge under water.
- 29.00 ftDamage begins to residences at the Holiday Estates subdivision in Spaulding.
- 28.50 ftWater begins to impact Riverton sewage treatment plant at 100 E. Jefferson Street.
- 19.90 ftOak Crest Road just east of the river begins to flood.
- 19.00 ftLarge areas of farmland inundated.
- 18.00 ftWaters inundate agricultural land near the river.
- 17.50 ftWater starts encroaching on Wheeland Park Campground.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 6% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
148 crests on NOAA’s list since 1908.
| # | Date | Stage |
|---|---|---|
| 1 | October 4, 1926 | 32.04 ft |
| 2 | May 19, 1943 | 31.52 ft |
| 3 | September 11, 1926 | 30.15 ft |
| 4 | December 31, 2015 | 30.13 ft |
| 5 | May 14, 2002 | 30.07 ft |
| 6 | April 13, 1994 | 28.28 ft |
| 7 | April 11, 1922 | 28.22 ft |
| 8 | February 2, 1916 | 28.03 ft |
| 9 | June 6, 1917 | 27.80 ft |
| 10 | September 30, 1911 | 27.22 ft |
| 11 | June 8, 2008 | 27.17 ft |
| 12 | August 24, 1915 | 26.85 ft |
| 13 | April 12, 1979 | 26.78 ft |
| 14 | May 9, 1908 | 26.52 ft |
| 15 | May 16, 1933 | 26.05 ft |
| 16 | May 10, 1996 | 25.65 ft |
| 17 | May 2, 1983 | 25.42 ft |
| 18 | May 14, 1920 | 25.32 ft |
| 19 | March 23, 1912 | 25.30 ft |
| 20 | January 15, 2005 | 25.30 ft |
| 21 | April 22, 2013 | 24.83 ft |
| 22 | May 20, 1929 | 24.80 ft |
| 23 | November 21, 1985 | 24.33 ft |
| 24 | July 15, 1909 | 24.31 ft |
| 25 | February 22, 1982 | 24.00 ft |
Most recent crests
- June 25, 2026: 17.55 ft
- April 30, 2026: 18.03 ft
- May 1, 2024: 17.96 ft
- April 4, 2024: 17.91 ft
- January 31, 2024: 18.78 ft
- May 16, 2023: 16.65 ft
- May 9, 2023: 18.40 ft
- March 5, 2023: 18.33 ft
- July 10, 2022: 18.30 ft
- May 7, 2022: 15.99 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamSangamon River at Monticello
- DownstreamSangamon River at Petersburg
- Sangamon River at Springfield
- Sugar Creek (W-Central IL) at Springfield
- South Fork Sangamon River at Rochester - AUX
- South Fork Sangamon River at Rochester
- Spring Creek (IL) at Springfield
- Lake Fork (Central IL) at Cornland
- Salt Creek (IL) at Greenview
What this means
Forecasts by the North Central 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 24 hours into the future from the forecast issuance time.
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.