About this river
Little Muddy River is an 11.9 mile river near Liebel's Guide Service in North Dakota. Streamflow is measured at the USGS gauge Little Muddy River below Cow Creek near Williston, ND (site 06331000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1954 to 2026
Little Muddy River typically runs highest in April, at a median 32 cfs, and lowest in August, at 6.1 cfs. The highest flow on record for any single day is 6,610 cfs, in 1979.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 7.0 | 5.1 to 10 | |
| February | 7.0 | 5.0 to 12 | |
| March | 19 | 10 to 131 | |
| April | 32 | 19 to 58 | |
| May | 18 | 12 to 32 | |
| June | 14 | 9.6 to 23 | |
| July | 9.5 | 5.8 to 16 | |
| August | 6.1 | 4.5 to 8.4 | |
| September | 6.3 | 4.8 to 8.9 | |
| October | 9.2 | 7.2 to 12 | |
| November | 11 | 9.0 to 14 | |
| December | 9.3 | 7.1 to 11 |
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 71 years of record. Statistics published by the US Geological Survey for Little Muddy River below Cow Creek near Williston, ND (site 06331000). 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 Little Muddy 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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