North Nashua River Flow Today
As of October 11, 2026 at 3:15 AM, the North Nashua River is flowing at 58 cfs near Leominster, MA — 104% of normal for the date and down 4% in 24 hours. 2 of 2 USGS gauges reported in the last 3 days; flows range from 20 to 58 cfs. ❤ Favorite
North Nashua River map
See the North Nashua 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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North Nashua 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 Leominster, the North Nashua River is running 58 cfs — 104% of normal, down 4% since yesterday. Along the river, 1 of 2 reporting gauges are near normal (the typical gauge is at 95% of normal).
How the North Nashua 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
- Fitchburg399 ft 20 cfs85%
- Leominster274 ft 58 cfs104%
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 North Nashua River streamgauge, placed by its own percent of normal. The line is the typical gauge (95%).
North Nashua River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
North Nashua River At Fitchburg MA
Oct 11, 3:30 AM · USGS 01094400 |
20 cfs | 85% | -10% | 2.31 ft | 4.2 ft below | 399 ft |
|
North Nashua River Near Leominster MA
Oct 11, 3:15 AM · USGS 01094500 |
58 cfs | 104% | -4% | 2.17 ft | · | 274 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 North Nashua River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
North Nashua River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
North Nashua River
The North Nashua River is a 33-mile-long tributary of the Nashua River in Massachusetts. It begins in Ashburnham and flows through Ashby, Fitchburg, Leominster, and Lancaster before joining the Nashua River in Lancaster. The river has a long history of industrial use, particularly in the textile industry. The hydrology of the river has been affected by damming and water diversion for industry and agriculture. The river is home to several reservoirs, including the Fitchburg Reservoir and the Lancaster Reservoir, which provide drinking water to surrounding communities. Recreational activities on the river include fishing, canoeing, and kayaking. Agriculture along the river includes dairy farms and apple orchards. The river has been subject to pollution and efforts are being made to improve water quality through conservation and restoration efforts.
Fishing near the North Nashua River
About the North Nashua River
How is the North Nashua River flowing right now?
As of October 11, 2026, the North Nashua River is flowing at 58 cfs near Leominster, MA, about 104% of normal for the date. Across its 2 USGS gauges, current flows range from 20 to 58 cfs. Every gauge’s live reading is in the table above.
Is the North Nashua River running high or low?
The typical gauge on the North Nashua River is at 95% 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 North Nashua River?
The National Weather Service sets flood stages for Fitchburg (6.5 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.