Around here
Around Assabet River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Assabet River is a 29.0 mile river near Charles River Canoe & Kayak in Massachusetts. Streamflow is measured at the USGS gauge Assabet River at Maynard, MA (site 01097000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1941 to 2026
Assabet River typically runs highest in March, at a median 331 cfs, and lowest in September, at 38 cfs. The highest flow on record for any single day is 3,650 cfs, in 1955.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 179 | 108 to 282 |
| February | 200 | 130 to 302 |
| March | 331 | 234 to 499 |
| April | 313 | 212 to 455 |
| May | 211 | 144 to 310 |
| June | 108 | 66 to 170 |
| July | 52 | 30 to 96 |
| August | 41 | 22 to 73 |
| September | 38 | 23 to 67 |
| October | 58 | 30 to 117 |
| November | 111 | 60 to 211 |
| December | 162 | 95 to 292 |
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 85 years of record. Statistics published by the US Geological Survey for Assabet River at Maynard, MA (site 01097000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
4 mapped launches sit in the mapped area of Assabet River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Lake ChauncyLake ChauncyPublic
- Lake CochituateLake CochituatePublic
- Bartlett PondBartlett PondPublic
- Delaney Pond (Wildlife Management Area)Delaney PondPublic
Made to print
Put Assabet River 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 Assabet River'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.
