About this river
Iowa River is a 12.4 mile river near River Basin Canoe & Kayak in Iowa. Streamflow is measured at the USGS gauge Iowa River at Oakville, IA (site 05465700). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2009 to 2026
Iowa River typically runs highest in June, at a median 19,750 cfs, and lowest in January, at 3,830 cfs. The highest flow on record for any single day is 101,000 cfs, in 2014.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 3,830 | 2,400 to 9,270 | |
| February | 4,700 | 3,540 to 9,290 | |
| March | 12,100 | 7,620 to 21,000 | |
| April | 13,600 | 9,620 to 21,750 | |
| May | 16,700 | 10,700 to 24,100 | |
| June | 19,750 | 10,300 to 29,050 | |
| July | 13,800 | 9,090 to 22,400 | |
| August | 5,050 | 4,140 to 11,200 | |
| September | 4,820 | 2,495 to 10,900 | |
| October | 4,190 | 1,980 to 12,800 | |
| November | 4,610 | 2,750 to 10,000 | |
| December | 4,200 | 2,310 to 10,200 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 17 years of record. Statistics published by the US Geological Survey for Iowa River at Oakville, IA (site 05465700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Iowa River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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