Around here
Around Stony Brook
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Stony Brook is a 3.3 mile stream near Charles River Canoe & Kayak in Massachusetts. Streamflow is measured at the USGS gauge Stony Brook Reservoir at Dam near Waltham, MA (site 01104480). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2000 to 2026
Stony Brook typically runs highest in April, at a median 38 cfs, and lowest in July, at 0.2 cfs. The highest flow on record for any single day is 1,060 cfs, in 2010.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 18 | 1.3 to 40 |
| February | 16 | 2.9 to 36 |
| March | 34 | 15 to 60 |
| April | 38 | 14 to 65 |
| May | 7.0 | 0.3 to 33 |
| June | 0.3 | 0.1 to 12 |
| July | 0.2 | 0.1 to 0.8 |
| August | 0.3 | 0.1 to 0.9 |
| September | 0.4 | 0.1 to 2.0 |
| October | 0.9 | 0.4 to 13 |
| November | 3.4 | 0.5 to 18 |
| December | 21 | 0.4 to 47 |
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 27 years of record. Statistics published by the US Geological Survey for Stony Brook Reservoir at Dam near Waltham, MA (site 01104480). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Stony Brook on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Stony 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.
