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SwedenSquannacook River near West Groton water level
River gauge, Squannacook River, Massachusetts, United States
Right now
Below flood stage
Water level
- Flow
- 58.3 cfs
History
The forecast expects the river to fall to 2.10 ft by Tuesday, October 20 at 02:00 PM. Issued Sunday, October 18 at 11:08 AM by NOAA National Weather Service.
What this means
The gauge at Squannacook River near West Groton reads 2.20 ft, a normal level.
It is 4.80 ft below the flood stage of 7.00 ft.
The level is falling, down 0.12 ft over the past 24 hours. The forecast expects the river to fall to 2.10 ft by Tuesday, October 20 at 02:00 PM. Over the past 30 days it has moved between 2.15 ft and 2.35 ft.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 8.50 ftApril 17, 2007
- Forecast peak
- 2.20 ftMonday, October 19 at 02:00 AM
What the stage means on the water
A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.
The National Weather Service puts flood stage for this gauge at 7.00 ft, still 4.80 ft away.
What happens at each level
- 9.00 ft
- This is a serious flood event. Widespread flooding is expected along the river through Townsend, Shirley and Groton. Small brooks and tributaries trying to flow into the Squannacook will experience flooding as well. Some road closures may be needed. If asked to evacuate, do so immediately. Follow the directions of emergency management officials.
- 8.50 ft
- Flooding will affect portions of Townsend and Groton. Areas along Turnpike and Barker Hill Roads and along Squannacook Terrace should expect flooding. In addition, flooding also occurs on several access roads to the Townsend State Forest.
- 8.00 ft
- Minor flooding is expected in lower lying sections of Townsend including the farming areas along Turnpike and Barker Hill roads. Flooding may also spread into low lying areas along Squannacook Terrace.
- 7.50 ft
- Minor flooding affects the lowest lying sections of Townsend, including the farmland along Turnpike and Barker Hill roads.
- 2.20 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
Chance of at least minor flooding in October to December: < 5 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 8.50 ft | April 17, 2007 |
| 2 | 8.16 ft | April 6, 1987 |
| 3 | 8.07 ft | April 2, 2004 |
| 4 | 8.04 ft | October 16, 1955 |
| 5 | 8.03 ft | March 15, 2010 |
| 6 | 7.62 ft | October 21, 1996 |
| 7 | 7.56 ft | March 31, 2010 |
| 8 | 7.46 ft | April 17, 1996 |
| 9 | 7.41 ft | March 20, 1983 |
| 10 | 7.32 ft | January 10, 1956 |
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Nashua River at East PepperellRiver gauge, Nashua River | 1.63 ft | Below flood stage | −0.59 ft | 4.8 mi |
| North Nashua River at FitchburgRiver gauge, North Nashua River | 2.72 ft | Below flood stage | −0.06 ft | 8 mi |
| North Nashua River near LeominsterRiver gauge, North Nashua River | 118 cfs | Normal | −19.0 cfs | 10 mi |
| Merrimack River at NashuaRiver gauge, Merrimack River | 4.79 ft | Below flood stage | −0.14 ft | 14 mi |
| Souhegan River (Site Wlr-1) near MilfordRiver gauge, Souhegan River (Site Wlr-1) | 3.75 ft | Below flood stage | −0.15 ft | 15 mi |
| Nashua River, Water Street Bridge, at ClintonRiver gauge, Nashua River, Water Street Bridge | 8.3 cfs | Normal | +0.5 cfs | 15 mi |
| Nashoba Brook near ActonRiver gauge, Nashoba Brook | 2.1 cfs | Low | −0.1 cfs | 15 mi |
| Stillwater River near SterlingRiver gauge, Stillwater River | 24.2 cfs | Normal | −4.8 cfs | 17 mi |
Questions and answers
What is flood stage for the Squannacook River near West Groton?
The official flood stage is 7.00 ft. The level is currently 4.80 ft below it.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Squannacook River near West Groton today?
On Oct 19, 2026, 07:00 AM EDT, the water level was 2.20 ft. Down 0.12 ft over the last 24 hours.
Is Squannacook River near West Groton rising or falling?
Down 0.12 ft over the last 24 hours.
Is the level of Squannacook River near West Groton normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Squannacook River near West Groton?
The highest level on record is 8.50 ft on April 17, 2007.
Is Squannacook River near West Groton expected to rise?
The forecast expects the river to fall to 2.10 ft by Tuesday, October 20 at 02:00 PM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01096000(Agency page)- Coordinates
42.63426, -71.65785(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 2.20 ft | 2026-10-19 11:00 | Provisional |
| Flow | 58.3 cfs | 2026-10-19 11:00 | Provisional |
Download
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How to cite
U.S. Geological Survey: Squannacook River near West Groton (usgs:01096000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/squannacook-river-near-west-groton
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer