Shawsheen River near Wilmington water level

Name: Shawsheen River near Wilmington water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Shawsheen River, Massachusetts, United States

Directions

Below flood stage

Water level

2.32ft Up 0.07 ft over the last 24 hours

Measured Oct 19, 2026, 04:30 AM EDT (41 min ago)

Flow: 20.2 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 2.20 ft by Monday, October 19 at 02:00 AM. Issued Sunday, October 18 at 11:08 AM by NOAA National Weather Service.

What this means

The Shawsheen River near Wilmington is at 2.32 ft, in the normal range.

It is 4.68 ft below the flood stage of 7.00 ft.

It has risen 0.07 ft over the past 24 hours. The forecast expects the river to fall to 2.20 ft by Monday, October 19 at 02:00 AM. There is still 4.68 ft of room before flood stage. In the last month it has stayed between 2.20 ft and 2.32 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 10.54 ftMarch 16, 2010
Forecast peak: 2.20 ftMonday, October 19 at 02:00 AM

Floating and fishing near Shawsheen River near Wilmington

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 7.00 ft, 4.68 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

11.00 ft: Flooding will affect areas along the river from Wilmington to Lawrence. Some roads will become impassable including Route 114 near the I-495 interchange. Follow the advice of local officials, and evacuate if asked to do so. Do not drive into areas where water covers the Road. Basement flooding in low lying areas is likely and valuables should be moved to higher ground.
9.00 ft: Flooding will affect areas along the river from Wilmington to Lawrence. Some roads will become impassable including Route 114 near the I-495 interchange. Follow the advice of local officials, and evacuate if asked to do so. Do not drive into areas where water covers the Road. Basement flooding in low lying areas is likely and valuables should be moved to higher ground.
8.00 ft: Flooding will affect low lying neighborhoods from Wilmington through Tewksbury to Lawrence. This includes a portion of Route 114 in lawrence. Areas subject to basement flooding should move valuables to higher ground.
7.50 ft: Flood waters will inundate a portion of Route 114 in Lawrence, and also affect low lying areas from Wilmington through Lawrence.
7.00 ft: Flooding will affect low lying areas along the river from Wilmington through Lawrence.
2.32 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	10.54 ft	March 16, 2010
2	10.49 ft	October 22, 1996
3	9.87 ft	March 23, 2001
4	9.85 ft	January 26, 1979
5	9.42 ft	March 31, 2010
6	9.03 ft	June 15, 1998
7	8.94 ft	May 15, 2006
8	8.91 ft	April 6, 1987
9	8.65 ft	April 2, 2004
10	8.60 ft	March 19, 1968

Weather at the gauge

The forecast is not available right now.

Sunrise 07:03 AM Sunset 05:58 PM Daylight 10 hr, 55 min First quarter 57%

Map

Other gauges on the Shawsheen River

Gauge	Level	Compared with normal	24 hours	Distance
Shawsheen River at Balmoral Street at AndoverRiver gauge, Shawsheen River	23.99 ft	Below flood stage	+0.03 ft	8 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Concord River below R Meadow Brook, at LowellRiver gauge, Concord River	4.77 ft	Below flood stage	−0.09 ft	6 mi
Merrimack River below Concord River at LowellRiver gauge, Merrimack River	42.78 ft	Below flood stage	−0.29 ft	7 mi
Aberjona River at WinchesterRiver gauge, Aberjona River	16.2 cfs	Normal	−2.0 cfs	9 mi
Cambridge Reservoir, Unnamed Tributary 2, near LexingtonRiver gauge, Cambridge Reservoir, Unnamed Tributary 2	0.1 cfs	Low	±0	9 mi
Ipswich River at South MiddletonRiver gauge, Ipswich River	15.7 cfs	Normal	−2.1 cfs	10 mi
Merrimack River at LawrenceRiver gauge, Merrimack River	10.53 ft	Normal	−0.52 ft	10 mi
Nashoba Brook near ActonRiver gauge, Nashoba Brook	2.2 cfs	Low	−0.1 cfs	10 mi
Cambridge Reservoir, Unnamed Tributary 3, near LexingtonRiver gauge, Cambridge Reservoir, Unnamed Tributary 3	0.4 cfs	Normal	−0.2 cfs	10 mi

Questions and answers

What is flood stage for the Shawsheen River near Wilmington?

The official flood stage is 7.00 ft. The level is currently 4.68 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 Shawsheen River near Wilmington today?

On Oct 19, 2026, 04:30 AM EDT, the water level was 2.32 ft. Up 0.07 ft over the last 24 hours.

Is Shawsheen River near Wilmington rising or falling?

Up 0.07 ft over the last 24 hours.

Is the level of Shawsheen River near Wilmington normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Shawsheen River near Wilmington?

The highest level on record is 10.54 ft on March 16, 2010.

Is Shawsheen River near Wilmington expected to rise?

The forecast expects the river to fall to 2.20 ft by Monday, October 19 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01100600 (Agency page)
Coordinates: 42.56815, -71.21478 (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	2.32 ft	2026-10-19 08:30	Provisional
Flow	20.2 cfs	2026-10-19 08:30	Provisional

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How to cite

U.S. Geological Survey: Shawsheen River near Wilmington (usgs:01100600). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/shawsheen-river-near-wilmington

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