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This probabilistic forecast is issued by the Northeast River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Concord River at Lowell are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	12
Moderate Flood Stage:	10
Flood Stage:	8
Action Stage:	7.5
Low Stage (in feet):	-9999

Historic Crests
(1) 9.74 ft on 03/17/2010
(2) 9.64 ft on 04/03/2010
(3) 9.60 ft on 04/10/1987
(4) 9.60 ft on 01/28/1979
(5) 8.97 ft on 08/23/1955
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.64 ft on 04/03/2010
(2) 9.74 ft on 03/17/2010
(3) 8.33 ft on 03/01/2010
(4) 8.15 ft on 03/11/2008
(5) 8.48 ft on 04/20/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
15.5	This is the maximum recordable river stage at this location.
10	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	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.
8.5	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	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.

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for Lowell

Additional Information

Potential River Levels - Used to

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS)	7 Day (NAEFS)	7 Day (GEFS)

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

National Weather Service
Boston / Norton Weather Forecast Office
46 Commerce Way
Norton, MA 02766
(508) 622-3250
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Page last modified: 2-Nov-2020 7:30 PM

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