RIVER GAUGE · SANGAMON RIVER
Sangamon River near Oakford
Mason County, Illinois
Water level456.66 ft
Flow813 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action469 ft
Minor flood471 ft
Moderate flood472.9 ft
Major flood478.5 ft
The past week
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What floods at each level
- 476.9 ft
Water reaches the top of Mason, Menard Special, and Oakford levees.
- 476.3 ft
Water overtops the South Sangamon East Levee.
- 471 ft
Flooding begins to agricultural areas not protected by levees.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 19, 1943 | 478.51 ft | 123,000 cfs |
| Jan 1, 2016 | 477.67 ft | 73,600 cfs |
| May 14, 2002 | 476.73 ft | 77,300 cfs |
More on Sangamon River
UpstreamSangamon River at Petersburg
DownstreamSangamon River near Chandlerville
Get an alert when Sangamon River rises
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