RIVER GAUGE · SOUTH RIVER
South River near Ackworth
Warren County, Iowa
Water level11.44 ft
Flow2,250 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action26 ft
Minor flood29 ft
Moderate flood30 ft
Major flood32 ft
The past week
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What floods at each level
- 33 ft
Water affects 168th Ave near the bridge over the river.
- 31.8 ft
Water affects Iowa 92 east of Ackworth.
- 31 ft
Water reaches the underside of the bridge at 168th Ave.
- 30 ft
Water affects portions of Iowa 92 and many other rural county roads. Widespread agricultural flooding occurs.
- 28.6 ft
Water is over Iowa 92 between mile markers 137.5 and 139.
- 26 ft
Road closures are possible near creeks adjoining the river.
- 19 ft
Water affects lowlands.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 4, 1981 | 32.85 ft | 32,700 cfs |
| Jul 15, 1982 | 32 ft | 26,000 cfs |
| Jun 24, 2015 | 31.87 ft | 34,800 cfs |
More on South River
DownstreamDes Moines River near Swan ↗
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