Concord River below R Meadow Brook, at Lowell water level

Name: Concord River below R Meadow Brook, at Lowell 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, Concord River, Massachusetts, United States

Directions

Below flood stage

Water level

4.81ft Down 0.07 ft over the last 24 hours

Measured Oct 18, 2026, 07:30 PM EDT (1 hour ago)

Flow: 345 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 4.60 ft by Wednesday, October 21 at 02:00 AM. Issued Sunday, October 18 at 11:08 AM by NOAA National Weather Service.

What this means

The gauge at Concord River below R Meadow Brook, at Lowell reads 4.81 ft, a normal level.

It is 3.19 ft below the flood stage of 8.00 ft.

The level is falling, down 0.07 ft over the past 24 hours. The forecast expects the river to fall to 4.60 ft by Wednesday, October 21 at 02:00 AM. Over the past 30 days it has moved between 4.81 ft and 4.94 ft.

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

Key numbers

Highest on record: 9.74 ftMarch 17, 2010
Forecast peak: 4.80 ftSunday, October 18 at 08:00 PM

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 8.00 ft, still 3.19 ft away.

What happens at each level

15.50 ft: This is the maximum recordable river stage at this location.
10.00 ft: Significant flooding affects people living along the river. In Lowell, Merrill Street, Joiners and Clark Courts, Billerica and Lawrence streets may be most affected. In Billerica, Pershing Street and Stoney Drive as well as the Elsie Avenue neighborhood will be affected. In Bedford, impacted areas include Carlisle Road (Route 225), Bonnyvale Drive, and Sheridan Road. In Concord, the affected areas may include Route 117 and Route 2. Follow the directions of emergency local officals.
9.00 ft: Significant residential flooding will affect people living along the Concord River. In Lowell, Merrill Street, Joiners and Clark Courts may be affected. In Billerica, Pershing Street and Stoney Drive as well as the Elsie Avenue neighborhood will be affected. Follow the directions of emergency management officials.
8.50 ft: Flooding is expected along portions of the Concord River. This includes homes on Joiners and Clark Courts and Merrill Street in Lowell. It also includes some residences in Billerica along Pershing Street, Stoney Drive, and on Elsie Avenue off River Street.
8.00 ft: Low lying areas along the Concord River will be flooded. The area most prone to flooding is a small section of Billerica along Elsie Avenue off River Street.
4.81 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	9.74 ft	March 17, 2010
2	9.64 ft	April 3, 2010
3	9.60 ft	January 28, 1979
4	9.60 ft	April 10, 1987
5	8.97 ft	August 23, 1955
6	8.96 ft	March 25, 2001
7	8.48 ft	April 20, 2007
8	8.34 ft	April 5, 2005
9	8.33 ft	March 1, 2010
10	8.20 ft	October 24, 1996

Weather at the gauge

The forecast is not available right now.

Sunrise 07:04 AM Sunset 05:58 PM Daylight 10 hr, 55 min First quarter 54%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Merrimack River below Concord River at LowellRiver gauge, Merrimack River	42.27 ft	Below flood stage	−0.64 ft	0.7 mi
Shawsheen River near WilmingtonRiver gauge, Shawsheen River	2.20 ft	Below flood stage	−0.09 ft	6 mi
Shawsheen River at Balmoral Street at AndoverRiver gauge, Shawsheen River	24.00 ft	Below flood stage	+0.02 ft	8 mi
Spicket River near MethuenRiver gauge, Spicket River	4.25 ft	Below flood stage	−0.01 ft	9 mi
Merrimack River at LawrenceRiver gauge, Merrimack River	10.20 ft	Normal	−0.57 ft	9 mi
Nashoba Brook near ActonRiver gauge, Nashoba Brook	2.2 cfs	Low	−0.1 cfs	10 mi
Beaver Brook at North PelhamRiver gauge, Beaver Brook	25.4 cfs	Normal	−9.3 cfs	10 mi
Merrimack River at NashuaRiver gauge, Merrimack River	4.89 ft	Below flood stage	−0.13 ft	11 mi

Questions and answers

What is flood stage for the Concord River below R Meadow Brook, at Lowell?

The official flood stage is 8.00 ft. The level is currently 3.19 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 Concord River below R Meadow Brook, at Lowell today?

On Oct 18, 2026, 07:30 PM EDT, the water level was 4.81 ft. Down 0.07 ft over the last 24 hours.

Is Concord River below R Meadow Brook, at Lowell rising or falling?

Down 0.07 ft over the last 24 hours.

Is the level of Concord River below R Meadow Brook, at Lowell normal?

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

What is the highest water level ever recorded at Concord River below R Meadow Brook, at Lowell?

The highest level on record is 9.74 ft on March 17, 2010.

Is Concord River below R Meadow Brook, at Lowell expected to rise?

The forecast expects the river to fall to 4.60 ft by Wednesday, October 21 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01099500 (Agency page)
Coordinates: 42.63676, -71.30200 (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	4.81 ft	2026-10-18 23:30	Provisional
Flow	345 cfs	2026-10-18 23:30	Provisional

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How to cite

U.S. Geological Survey: Concord River below R Meadow Brook, at Lowell (usgs:01099500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/concord-river-below-r-meadow-brook-at-lowell

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