About this river
Chapman Creek is a 25.9 mile river near Fishing Milford Lake in Kansas. Streamflow is measured at the USGS gauge Chapman C near Chapman, KS (site 06878000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1955 to 2026
Chapman Creek typically runs highest in June, at a median 41 cfs, and lowest in September, at 15 cfs. The highest flow on record for any single day is 12,600 cfs, in 1974.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 22 | 13 to 35 | |
| February | 25 | 16 to 47 | |
| March | 28 | 17 to 55 | |
| April | 30 | 18 to 75 | |
| May | 41 | 20 to 98 | |
| June | 41 | 19 to 91 | |
| July | 21 | 11 to 50 | |
| August | 17 | 8.7 to 33 | |
| September | 15 | 9.3 to 29 | |
| October | 15 | 10 to 28 | |
| November | 20 | 12 to 33 | |
| December | 22 | 13 to 36 |
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 72 years of record. Statistics published by the US Geological Survey for Chapman C near Chapman, KS (site 06878000). 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 Chapman 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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