About this river
Delaware River is a 19.9 mile river near Rock Creek Marina & Resort in Kansas. Streamflow is measured at the USGS gauge Delaware R near Muscotah, KS (site 06890100). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1970 to 2026
Delaware River typically runs highest in May, at a median 128 cfs, and lowest in September, at 16 cfs. The highest flow on record for any single day is 26,000 cfs, in 2013.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 35 | 17 to 89 | |
| February | 56 | 23 to 142 | |
| March | 74 | 29 to 205 | |
| April | 91 | 36 to 243 | |
| May | 128 | 49 to 340 | |
| June | 83 | 40 to 243 | |
| July | 41 | 15 to 102 | |
| August | 22 | 8.2 to 66 | |
| September | 16 | 5.3 to 61 | |
| October | 16 | 4.7 to 64 | |
| November | 37 | 13 to 73 | |
| December | 40 | 17 to 86 |
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 57 years of record. Statistics published by the US Geological Survey for Delaware R near Muscotah, KS (site 06890100). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Delaware River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Delaware 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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