About this river
Sleeper Branch is a 2.0 mile stream near Pinelands Adventures in New Jersey. Streamflow is measured at the USGS gauge Mullica River near Batsto NJ (site 01409400). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1957 to 2026
Sleeper Branch typically runs highest in March, at a median 133 cfs, and lowest in September, at 41 cfs. The highest flow on record for any single day is 1,680 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 117 | 81 to 166 | |
| February | 124 | 96 to 160 | |
| March | 133 | 95 to 194 | |
| April | 127 | 89 to 173 | |
| May | 96 | 73 to 134 | |
| June | 60 | 46 to 89 | |
| July | 49 | 35 to 79 | |
| August | 44 | 30 to 81 | |
| September | 41 | 26 to 72 | |
| October | 49 | 34 to 78 | |
| November | 71 | 50 to 106 | |
| December | 104 | 70 to 154 |
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 69 years of record. Statistics published by the US Geological Survey for Mullica River near Batsto NJ (site 01409400). 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 Sleeper Branch'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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