Shawsheen River Flow Today
As of October 14, 2026 at 3:30 AM, the Shawsheen River is flowing at 84 cfs near Wilmington, MA — 505% of normal for the date and up 10% in 24 hours. 1 of 2 USGS gauges reported in the last 3 days. ❤ Favorite
Shawsheen River map
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Every gauge, dam and paddle run on the river, one tap each:
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Shawsheen 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 Wilmington, the Shawsheen River is running 84 cfs — 505% of normal, up 10% since yesterday. Along the river, 1 of 1 reporting gauges are above normal (the typical gauge is at 505% of normal).
In the last 24 hours the river is rising at Wilmington (+10%).
How the Shawsheen 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
- Wilmington95 ft 84 cfs505%
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 Shawsheen River streamgauge, placed by its own percent of normal. The line is the typical gauge (505%).
Shawsheen River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Shawsheen River At Hanscom Field Near Bedford MA
Last reported Apr 11 · USGS 01100568 |
6.6 cfs | · | · | 0.93 ft | · | 124 ft |
|
Shawsheen River Near Wilmington MA
Oct 14, 3:30 AM · USGS 01100600 |
84 cfs | 505% | +10% | 3.12 ft | 3.9 ft below | 95 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 Shawsheen River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Shawsheen River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated 2024-04-11; the live gauge readings above are current).
Maximum streamflow by year
Shawsheen River
The Shawsheen River is a 26.7-mile-long tributary that flows through northeastern Massachusetts, emptying into the Merrimack River. The river played an important role in the Industrial Revolution as it powered many mills and factories. Today, it serves as a source of drinking water for several towns and cities, including Andover and Lawrence. There are several dams and reservoirs along the river, such as Frye Pond and Haggett's Pond, which provide hydroelectric power and recreational opportunities. The Shawsheen River is also used for fishing, kayaking, and canoeing, and it supports a variety of plant and animal species, including trout, bass, and herons. Despite some pollution concerns, efforts are underway to protect and improve the river's water quality for future generations.
About the Shawsheen River
How is the Shawsheen River flowing right now?
As of October 14, 2026, the Shawsheen River is flowing at 84 cfs near Wilmington, MA, about 505% of normal for the date. Every gauge’s live reading is in the table above.
Is the Shawsheen River running high or low?
The typical gauge on the Shawsheen River is at 505% 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 Shawsheen River?
The National Weather Service sets flood stages for Wilmington (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.