About this river
North Branch Old Mans Creek is a 2.0 mile stream near SOKO Outfitters in Iowa. Streamflow is measured at the USGS gauge Old Mans Creek near Iowa City, IA (site 05455100). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1951 to 2026
North Branch Old Mans Creek typically runs highest in May, at a median 135 cfs, and lowest in September, at 12 cfs. The highest flow on record for any single day is 8,780 cfs, in 1993.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 36 | 7.7 to 70 | |
| February | 62 | 19 to 114 | |
| March | 99 | 44 to 239 | |
| April | 114 | 50 to 220 | |
| May | 135 | 66 to 235 | |
| June | 114 | 46 to 254 | |
| July | 64 | 27 to 137 | |
| August | 21 | 7.9 to 62 | |
| September | 12 | 4.2 to 52 | |
| October | 17 | 3.8 to 77 | |
| November | 31 | 6.4 to 85 | |
| December | 35 | 4.8 to 77 |
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 56 years of record. Statistics published by the US Geological Survey for Old Mans Creek near Iowa City, IA (site 05455100). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show North Branch Old Mans Creek'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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