Sudbury River at Ashland water level

Name: Sudbury River at Ashland 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, Sudbury River, Massachusetts, United States

Directions

Normal for mid-October

Water level

0.99ft Down 0.08 ft over the last 24 hours

Measured Oct 18, 2026, 06:45 PM EDT (34 min ago)

Flow: 33.0 cfs

History

7 days

Water level

What this means

Water levels are unremarkable at Sudbury River at Ashland, where the gauge shows 0.99 ft.

It is still going down, by 0.08 ft over the past 24 hours. The 30-day range is 0.99 ft – 1.12 ft.

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

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

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

Weather at the gauge

The forecast is not available right now.

Sunrise 07:02 AM Sunset 06:01 PM Daylight 10 hr, 58 min First quarter 53%

Map

Other gauges on the Sudbury River

Gauge	Level	Compared with normal	24 hours	Distance
Sudbury River at SaxonvilleRiver gauge, Sudbury River	4.89 ft	Below flood stage	−0.15 ft	5.4 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Cochituate Brook below Lake Cochituate at FraminghamRiver gauge, Cochituate Brook	18.7 cfs	Normal	−2.6 cfs	5.3 mi
Trout Brook at DoverRiver gauge, Trout Brook	2.0 cfs	Normal	−0.5 cfs	8 mi
Charles River at MedwayRiver gauge, Charles River	1.17 ft	Below flood stage	−0.07 ft	9 mi
Charles River at DoverRiver gauge, Charles River	1.25 ft	Below flood stage	−0.06 ft	10 mi
Kingsbury Pond near NorfolkLake, Kingsbury Pond	126.30 ft	Very low	−0.10 ft	10 mi
Stony Brook Reservoir, Unnamed Tributary 1, near WestonRiver gauge, Stony Brook Reservoir, Unnamed Tributary 1,	0.4 cfs	Normal	−0.1 cfs	12 mi
Stony Brook Reservoir at Dam near WalthamReservoir, Stony Brook Reservoir	1.9 cfs	Normal	+0.1 cfs	12 mi
Assabet River at MaynardRiver gauge, Assabet River	2.35 ft	Below flood stage	−0.06 ft	12 mi

Questions and answers

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 Sudbury River at Ashland today?

On Oct 18, 2026, 06:45 PM EDT, the water level was 0.99 ft. Down 0.08 ft over the last 24 hours.

Is Sudbury River at Ashland rising or falling?

Down 0.08 ft over the last 24 hours.

Is the level of Sudbury River at Ashland normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01097480 (Agency page)
Coordinates: 42.25998, -71.45642 (WGS84)
Vertical datum: NGVD29
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	0.99 ft	2026-10-18 22:45	Provisional
Flow	33.0 cfs	2026-10-18 22:45	Provisional

Download

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How to cite

U.S. Geological Survey: Sudbury River at Ashland (usgs:01097480). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/sudbury-river-at-ashland

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