Squannacook River Flow Today
As of October 4, 2026 at 4:00 AM, the Squannacook River is flowing at 46 cfs near West Groton, MA — 290% of normal for the date and down 22% in 24 hours. ❤ Favorite
Squannacook River map
See the Squannacook River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
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Squannacook River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At West Groton, the Squannacook River is running 46 cfs — 290% of normal, down 22% since yesterday. Along the river, 1 of 1 reporting gauges are above normal (the typical gauge is at 290% of normal).
In the last 24 hours the river is dropping at West Groton (-22%).
How the Squannacook River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- West Groton246 ft 46 cfs290%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Squannacook River streamgauge, placed by its own percent of normal. The line is the typical gauge (290%).
Squannacook River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Squannacook River Near West Groton MA
Oct 4, 4:00 AM · USGS 01096000 |
46 cfs | 290% | -22% | 2.06 ft | 4.9 ft below | 246 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Squannacook River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Squannacook River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Squannacook River
The Squannacook River is a 16-mile-long river in northern Massachusetts. The river has a rich history, with evidence of Native American settlements dating back thousands of years. It was also used for transportation and as a source of power for mills during the Industrial Revolution. The Squannacook River is fed by several small tributaries and has multiple dams and reservoirs, including the Lower Nissitissit Reservoir and the Squannacook River Reservoir. These reservoirs serve as a source of drinking water for nearby towns. The river is also used for recreational activities such as fishing, kayaking, and hiking. Additionally, the Squannacook River is used for agriculture, with farms located along its banks. Despite some pollution concerns, efforts have been made to protect and preserve the Squannacook River for future generations.
About the Squannacook River
How is the Squannacook River flowing right now?
As of October 4, 2026, the Squannacook River is flowing at 46 cfs near West Groton, MA, about 290% of normal for the date. Every gauge’s live reading is in the table above.
Is the Squannacook River running high or low?
The typical gauge on the Squannacook River is at 290% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Squannacook River?
The National Weather Service sets flood stages for West Groton (7.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.