Pemigewasset River at Plymouth water level
River gauge, Pemigewasset River, New Hampshire, United States
Right now
Below flood stage
Water level
- Flow
- 385 cfs
History
The forecast expects the river to fall to 0.90 ft by Wednesday, October 21 at 02:00 PM. Issued Tuesday, October 20 at 10:49 AM by NOAA National Weather Service.
What this means
The Pemigewasset River at Plymouth is at 0.95 ft, in the normal range.
It is 12.05 ft below the flood stage of 13.00 ft.
It has dropped 0.09 ft over the past 24 hours. The forecast expects the river to fall to 0.90 ft by Wednesday, October 21 at 02:00 PM. In the last month it has stayed between 0.95 ft and 1.53 ft.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 29.00 ftMarch 19, 1936
- Forecast peak
- 1.00 ftTuesday, October 20 at 08:00 PM
Floating and fishing near Pemigewasset River at Plymouth
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 13.00 ft, 12.05 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 22.00 ft
- Flood waters 5 to 6 feet deep on route 175A in Holderness.
- 20.10 ft
- Flood waters rise to the doors of the PSU physical education center and the PSU ice arena.
- 18.00 ft
- South River Road and Avery Street flood in Holderness.
- 15.50 ft
- Flood waters over the road at the Irving station on route 175A in Holderness.
- 15.00 ft
- Flood waters up to the road at the Irving station on route 175A in Holderness.
- 14.00 ft
- Water enters the parking lot behind the PSU ice arena.
- 13.00 ft
- Minor lowland flooding begins.
- 0.95 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: 8 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 29.00 ft | March 19, 1936 |
| 2 | 27.40 ft | November 4, 1927 |
| 3 | 23.62 ft | September 21, 1938 |
| 4 | 23.43 ft | April 1, 1987 |
| 5 | 22.68 ft | October 25, 1959 |
| 6 | 22.33 ft | July 1, 1973 |
| 7 | 21.69 ft | August 29, 2011 |
| 8 | 21.20 ft | March 27, 1953 |
| 9 | 20.61 ft | December 22, 1973 |
| 10 | 20.58 ft | December 19, 2023 |
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the Pemigewasset River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Pemigewasset River at WoodstockRiver gauge, Pemigewasset River | 2.61 ft | Below flood stage | −0.09 ft | 15 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Cockermouth River below Hardy Brook, at GrotonRiver gauge, Cockermouth River | 1.46 ft | Below flood stage | −0.06 ft | 8 mi |
| Baker River near RumneyRiver gauge, Baker River | 0.62 ft | Below flood stage | −0.07 ft | 8 mi |
| Smith River near BristolRiver gauge, Smith River | 2.05 ft | Below flood stage | −0.07 ft | 14 mi |
| East Branch Pemigewasset River at LincolnRiver gauge, East Branch Pemigewasset River | 122 cfs | Normal | −18.0 cfs | 20 mi |
| Bearcamp River at South TamworthRiver gauge, Bearcamp River | 31.7 cfs | Low | −4.3 cfs | 20 mi |
| Winnipesaukee River at TiltonRiver gauge, Winnipesaukee River | 2.71 ft | Below flood stage | −0.16 ft | 22 mi |
| Merrimack River at Franklin JunctionRiver gauge, Merrimack River | 4.59 ft | Below flood stage | −0.03 ft | 23 mi |
| Ompompanoosuc River at Union VillageRiver gauge, Ompompanoosuc River | 48.9 cfs | Normal | −5.1 cfs | 28 mi |
Questions and answers
What is flood stage for the Pemigewasset River at Plymouth?
The official flood stage is 13.00 ft. The level is currently 12.05 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 Pemigewasset River at Plymouth today?
On Oct 21, 2026, 12:30 AM EDT, the water level was 0.95 ft. Down 0.09 ft over the last 24 hours.
Is Pemigewasset River at Plymouth rising or falling?
Down 0.09 ft over the last 24 hours. Down 0.21 ft over the last 7 days.
Is the level of Pemigewasset River at Plymouth normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Pemigewasset River at Plymouth?
The highest level on record is 29.00 ft on March 19, 1936.
Is Pemigewasset River at Plymouth expected to rise?
The forecast expects the river to fall to 0.90 ft by Wednesday, October 21 at 02:00 PM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01076500(Agency page)- Coordinates
43.75924, -71.68563(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 | 0.95 ft | 2026-10-21 04:30 | Provisional |
| Flow | 385 cfs | 2026-10-21 04:30 | Provisional |
Download
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How to cite
U.S. Geological Survey: Pemigewasset River at Plymouth (usgs:01076500). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-hampshire/pemigewasset-river-at-plymouth
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