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Blackstone River at Northbridge water level

River gauge, Blackstone River, Massachusetts, United States

Directions

Normal for mid-October

Water level

3.79ft Down 0.19 ft over the last 24 hours

Flow
1,010 cfs
5 10 15 Highest onrecord 16.74 ft Minor floodstage 9.00 ft

History

3.03.54.04.5ftOct 12Oct 13Oct 15Oct 16Oct 183.03.54.04.5ftOct 12Oct 15Oct 18
345ftSep 19Sep 26Oct 3Oct 10Oct 18345ftSep 19Oct 3Oct 18
2468ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage2468ftOct 2025Apr 2026Oct 2026Minor flood stage
468ftJanMarMayJulSepNov2026468ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

Water levels are unremarkable at Blackstone River at Northbridge, where the gauge shows 3.79 ft.

That puts it 0.24 ft above the median of 3.55 ft for mid-October, based on 27 years of readings. It is 5.21 ft below the flood stage of 9.00 ft. A year ago it stood at 3.53 ft (+0.26 ft).

It is still going down, by 0.19 ft over the past 24 hours. The 30-day range is 3.12 ft – 5.05 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 27 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3.55 ft0.24 ft above the median for this date
Normal for this date
3.16 ft – 4.69 ft8 years in 10 fall in this range (27 years of records)
Same day last year
3.53 ft+0.26 ft
Lowest and highest in 30 days
3.12 ft – 5.05 ft
Lowest and highest in 12 months
2.51 ft – 6.12 ft
Highest on record
16.74 ftAugust 20, 1955

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 9.00 ft.

What happens at each level

16.00 ft
Widespread flooding is expected along the river. Numerous residences along Main Street along and downstream of the Sutton Street Bridge will experience flooding.
13.00 ft
This is a serious flood event. Flooding will spread into residences along the river on Main Street. Flooding will affect low lying areas from Northbridge to Millville. Buisnesses along the river should take the necessary actions to protect property along the river.
11.00 ft
Flooding is expected along the river from Northbridge through Uxbridge and Millville. Flooding will affect some homes and businesses along the river in these towns.
9.00 ft
Flooding of low lying areas along the river bank is likely between Northbridge and the Rhode Island and Massachusetts border.
3.79 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 %.

RankLevelDate
116.74 ftAugust 20, 1955
213.70 ftMarch 19, 1936
313.65 ftOctober 15, 2005
412.48 ftJanuary 25, 1979
511.36 ftSeptember 12, 1954
610.90 ftMarch 19, 1968
710.70 ftMarch 10, 1998
810.69 ftMarch 31, 2010
910.54 ftSeptember 8, 2011
1010.50 ftApril 16, 2007

Weather at the gauge

The forecast is not available right now.

Sunrise 07:03 AM Sunset 06:02 PM Daylight 10 hr, 59 min First quarter 45%

Map

Other gauges on the Blackstone River

Gauge Level Compared with normal 24 hours Distance
Blackstone River at WoonsocketRiver gauge, Blackstone River 2.18 ft Below flood stage +0.05 ft 13 mi
Blackstone River at Roosevelt St at PawtucketRiver gauge, Blackstone River 668 cfs Normal +51.0 cfs 23 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Quinsigamond River at North GraftonRiver gauge, Quinsigamond River 37.5 cfs High −4.0 cfs 6.1 mi
Blackstone River, W. Main St., at MillburyRiver gauge, Blackstone River, W. Main St., 124 cfs Normal −91.0 cfs 6 mi
Blackstone River, RT 122 Bridge near UxbridgeRiver gauge, Blackstone River, RT 122 Bridge 344 cfs Normal +25.0 cfs 7 mi
Branch River at ForestdaleRiver gauge, Branch River 2.66 ft Below flood stage +0.01 ft 12 mi
Nipmuc River near HarrisvilleRiver gauge, Nipmuc River 15.6 cfs Normal +3.0 cfs 12 mi
Sudbury River at AshlandRiver gauge, Sudbury River 38.3 cfs High −1.6 cfs 12 mi
Charles River at MedwayRiver gauge, Charles River 1.22 ft Below flood stage −0.06 ft 13 mi
French River at WebsterRiver gauge, French River 5.12 ft Below flood stage −0.02 ft 14 mi

Questions and answers

How does the Blackstone River at Northbridge compare with last year?

It is 0.26 ft higher than on the same day last year, when the reading was 3.53 ft.

What is flood stage for the Blackstone River at Northbridge?

The official flood stage is 9.00 ft. The level is currently 5.21 ft below it.

What is a normal level for the Blackstone River at Northbridge in mid-October?

The median for mid-October is 3.55 ft. In 8 years out of 10 the reading falls between 3.16 ft and 4.69 ft, based on 27 years of records.

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 Blackstone River at Northbridge today?

On Oct 17, 2026, 09:30 PM EDT, the water level was 3.79 ft. Down 0.19 ft over the last 24 hours.

Is Blackstone River at Northbridge rising or falling?

Down 0.19 ft over the last 24 hours. Up 0.43 ft over the last 7 days.

Is the level of Blackstone River at Northbridge normal?

Normal for mid-October. Compared with 27 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01110500 (Agency page)
Coordinates
42.15371, -71.65201 (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

ParameterLast valueTime (UTC)Quality
Water level 3.79 ft 2026-10-18 01:30 Provisional
Flow 1,010 cfs 2026-09-28 01:30 Provisional

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How to cite

U.S. Geological Survey: Blackstone River at Northbridge (usgs:01110500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/blackstone-river-at-northbridge

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