Rathbun Lake Marina Campground and Boat Rentals
South Fork Chariton River near Rathbun Lake Marina Campground and Boat Rentals
About this river
South Fork Chariton River is a 10.4 mile river near Rathbun Lake Marina Campground and Boat Rentals in Iowa. Streamflow is measured at the USGS gauge South Fork Chariton River near Promise City, IA (site 06903700). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1968 to 2026
South Fork Chariton River typically runs highest in April, at a median 45 cfs, and lowest in September, at 2.1 cfs. The highest flow on record for any single day is 34,700 cfs, in 1992.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 8.2 | 2.1 to 27 | |
| February | 16 | 5.3 to 49 | |
| March | 43 | 19 to 116 | |
| April | 45 | 20 to 126 | |
| May | 37 | 15 to 112 | |
| June | 18 | 4.8 to 90 | |
| July | 5.8 | 1.6 to 33 | |
| August | 2.8 | 1.2 to 11 | |
| September | 2.1 | 0.9 to 13 | |
| October | 3.4 | 0.8 to 24 | |
| November | 8.9 | 2.2 to 30 | |
| December | 11 | 2.1 to 29 |
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 59 years of record. Statistics published by the US Geological Survey for South Fork Chariton River near Promise City, IA (site 06903700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of South Fork Chariton River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Fork Chariton 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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