Ammonoosuc River Flow Today
As of October 14, 2026 at 3:30 AM, the Ammonoosuc River is flowing at 216 cfs at Bethlehem Junction, NH — 254% of normal for the date and up 354% in 24 hours. ❤ Favorite
Ammonoosuc River map
See the Ammonoosuc 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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Ammonoosuc 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 Bethlehem Junction, the Ammonoosuc River is running 216 cfs — 254% of normal, up 354% since yesterday. Along the river, 1 of 1 reporting gauges are above normal (the typical gauge is at 254% of normal).
In the last 24 hours the river is rising at Bethlehem Junction (+354%).
How the Ammonoosuc 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
- Bethlehem Junction1,185 ft 216 cfs254%
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 Ammonoosuc River streamgauge, placed by its own percent of normal. The line is the typical gauge (254%).
Ammonoosuc River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Ammonoosuc River At Bethlehem Junction NH
Oct 14, 3:30 AM · USGS 01137500 |
216 cfs | 254% | +354% | 2.26 ft | 5.7 ft below | 1,185 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 Ammonoosuc River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Ammonoosuc 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).
Ammonoosuc River
The Ammonoosuc River is located in New Hampshire, USA. It has a length of 55 miles and is known for its rich history and diverse hydrology. The river flows through several towns and villages, including Littleton and Bethlehem, before joining the Connecticut River. The Ammonoosuc is also home to several reservoirs and dams, including the Moore Dam and the McIndoe Falls Dam. These structures provide power generation and flood control while also creating recreational opportunities like fishing and boating. The river is also used for irrigation and agricultural purposes, providing water for crops and livestock. The Ammonoosuc River is a vital part of the local environment, economy, and culture, and is enjoyed by residents and visitors alike.
About the Ammonoosuc River
How is the Ammonoosuc River flowing right now?
As of October 14, 2026, the Ammonoosuc River is flowing at 216 cfs at Bethlehem Junction, NH, about 254% of normal for the date. Every gauge’s live reading is in the table above.
Is the Ammonoosuc River running high or low?
The typical gauge on the Ammonoosuc River is at 254% 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 Ammonoosuc River?
The National Weather Service sets flood stages for Bethlehem Junction (8.0 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.