About this river
Stoney Brook is a 13.7 mile canal near Minnesota Whitewater Rafting in Minnesota. Streamflow is measured at the USGS gauge Stoney Brook at Pine Drive near Brookston, MN (site 04021520). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2005 to 2026
Stoney Brook typically runs highest in April, at a median 132 cfs, and lowest in February, at 8.9 cfs. The highest flow on record for any single day is 1,120 cfs, in 2012.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 14 | 8.6 to 21 | |
| February | 8.9 | 6.7 to 16 | |
| March | 22 | 10 to 57 | |
| April | 132 | 55 to 203 | |
| May | 119 | 58 to 204 | |
| June | 45 | 19 to 116 | |
| July | 22 | 7.6 to 45 | |
| August | 11 | 4.1 to 24 | |
| September | 9.5 | 3.5 to 27 | |
| October | 26 | 5.5 to 63 | |
| November | 32 | 15 to 69 | |
| December | 21 | 12 to 33 |
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 20 years of record. Statistics published by the US Geological Survey for Stoney Brook at Pine Drive near Brookston, MN (site 04021520). 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 Stoney Brook. Ramp data comes from the USGS national boat-ramp inventory.
- Big LakeBig LakePublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Stoney Brook's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
