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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office Boston, MA Northeast River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Concord River at Lowell Stage (ft)Flow (kcfs)Observed: 4.58 ft at 1:45PM May 21, 2013Observed: 4.58 ft at 2:00PM May 21, 2013Observed: 4.58 ft at 2:15PM May 21, 2013Observed: 4.58 ft at 2:30PM May 21, 2013Observed: 4.58 ft at 2:45PM May 21, 2013Observed: 4.58 ft at 3:00PM May 21, 2013Observed: 4.58 ft at 3:15PM May 21, 2013Observed: 4.58 ft at 3:30PM May 21, 2013Observed: 4.58 ft at 3:45PM May 21, 2013Observed: 4.58 ft at 4:00PM May 21, 2013Observed: 4.58 ft at 4:15PM May 21, 2013Observed: 4.58 ft at 4:30PM May 21, 2013Observed: 4.58 ft at 4:45PM May 21, 2013Observed: 4.58 ft at 5:00PM May 21, 2013Observed: 4.58 ft at 5:15PM May 21, 2013Observed: 4.58 ft at 5:30PM May 21, 2013Observed: 4.57 ft at 5:45PM May 21, 2013Observed: 4.57 ft at 6:00PM May 21, 2013Observed: 4.57 ft at 6:15PM May 21, 2013Observed: 4.57 ft at 6:30PM May 21, 2013Observed: 4.57 ft at 6:45PM May 21, 2013Observed: 4.57 ft at 7:00PM May 21, 2013Observed: 4.57 ft at 7:15PM May 21, 2013Observed: 4.57 ft at 7:30PM May 21, 2013Observed: 4.57 ft at 7:45PM May 21, 2013Observed: 4.57 ft at 8:00PM May 21, 2013Observed: 4.57 ft at 8:15PM May 21, 2013Observed: 4.57 ft at 8:30PM May 21, 2013Observed: 4.57 ft at 8:45PM May 21, 2013Observed: 4.57 ft at 9:00PM May 21, 2013Observed: 4.57 ft at 9:15PM May 21, 2013Observed: 4.57 ft at 9:30PM May 21, 2013Observed: 4.57 ft at 9:45PM May 21, 2013Observed: 4.57 ft at 10:00PM May 21, 2013Observed: 4.57 ft at 10:15PM May 21, 2013Observed: 4.57 ft at 10:30PM May 21, 2013Observed: 4.57 ft at 10:45PM May 21, 2013Observed: 4.57 ft at 11:00PM May 21, 2013Observed: 4.57 ft at 11:15PM May 21, 2013Observed: 4.57 ft at 11:30PM May 21, 2013Observed: 4.57 ft at 11:45PM May 21, 2013Observed: 4.57 ft at 12:00AM May 22, 2013Observed: 4.57 ft at 12:15AM May 22, 2013Observed: 4.57 ft at 12:30AM May 22, 2013Observed: 4.57 ft at 12:45AM May 22, 2013Observed: 4.58 ft at 1:00AM May 22, 2013Observed: 4.58 ft at 1:15AM May 22, 2013Observed: 4.58 ft at 1:30AM May 22, 2013Observed: 4.59 ft at 1:45AM May 22, 2013Observed: 4.61 ft at 2:00AM May 22, 2013Observed: 4.61 ft at 2:15AM May 22, 2013Observed: 4.62 ft at 2:30AM May 22, 2013Observed: 4.62 ft at 2:45AM May 22, 2013Observed: 4.62 ft at 3:00AM May 22, 2013Observed: 4.63 ft at 3:15AM May 22, 2013Observed: 4.63 ft at 3:30AM May 22, 2013Observed: 4.63 ft at 3:45AM May 22, 2013Observed: 4.65 ft at 4:00AM May 22, 2013Observed: 4.65 ft at 4:15AM May 22, 2013Observed: 4.65 ft at 4:30AM May 22, 2013Observed: 4.67 ft at 4:45AM May 22, 2013Observed: 4.69 ft at 5:00AM May 22, 2013Observed: 4.7 ft at 5:15AM May 22, 2013Observed: 4.7 ft at 5:30AM May 22, 2013Observed: 4.7 ft at 5:45AM May 22, 2013Observed: 4.69 ft at 6:00AM May 22, 2013Observed: 4.69 ft at 6:15AM May 22, 2013Observed: 4.69 ft at 6:30AM May 22, 2013Observed: 4.68 ft at 6:45AM May 22, 2013Observed: 4.68 ft at 7:00AM May 22, 2013Observed: 4.68 ft at 7:15AM May 22, 2013Observed: 4.68 ft at 7:30AM May 22, 2013Observed: 4.67 ft at 7:45AM May 22, 2013Observed: 4.67 ft at 8:00AM May 22, 2013Observed: 4.67 ft at 8:15AM May 22, 2013Observed: 4.67 ft at 8:30AM May 22, 2013Observed: 4.67 ft at 8:45AM May 22, 2013Observed: 4.67 ft at 9:00AM May 22, 2013Observed: 4.67 ft at 9:15AM May 22, 2013Observed: 4.67 ft at 9:30AM May 22, 2013Observed: 4.64 ft at 10:00AM May 22, 2013Observed: 4.68 ft at 10:15AM May 22, 2013Observed: 4.68 ft at 10:30AM May 22, 2013Observed: 4.68 ft at 10:45AM May 22, 2013Observed: 4.68 ft at 11:00AM May 22, 2013Observed: 4.68 ft at 11:15AM May 22, 2013Observed: 4.68 ft at 11:30AM May 22, 2013Observed: 4.68 ft at 11:45AM May 22, 2013Observed: 4.68 ft at 12:00PM May 22, 2013Observed: 4.68 ft at 12:15PM May 22, 2013Observed: 4.68 ft at 12:30PM May 22, 2013Observed: 4.68 ft at 12:45PM May 22, 2013Observed: 4.68 ft at 1:00PM May 22, 2013Observed: 4.68 ft at 1:15PM May 22, 2013Observed: 4.68 ft at 1:30PM May 22, 2013Observed: 4.68 ft at 1:45PM May 22, 2013Observed: 4.68 ft at 2:00PM May 22, 2013Observed: 4.68 ft at 2:15PM May 22, 2013Observed: 4.68 ft at 2:30PM May 22, 2013Observed: 4.68 ft at 2:45PM May 22, 2013Observed: 4.68 ft at 3:00PM May 22, 2013Observed: 4.68 ft at 3:15PM May 22, 2013Observed: 4.68 ft at 3:30PM May 22, 2013Observed: 4.68 ft at 3:45PM May 22, 2013Observed: 4.68 ft at 4:00PM May 22, 2013Observed: 4.68 ft at 4:15PM May 22, 2013Observed: 4.47 ft at 4:30PM May 22, 2013Observed: 4.33 ft at 4:45PM May 22, 2013Observed: 4.37 ft at 5:00PM May 22, 2013Observed: 4.39 ft at 5:15PM May 22, 2013Observed: 4.42 ft at 5:30PM May 22, 2013Observed: 4.44 ft at 5:45PM May 22, 2013Observed: 4.47 ft at 6:00PM May 22, 2013Observed: 4.53 ft at 6:15PM May 22, 2013Observed: 4.74 ft at 6:30PM May 22, 2013Observed: 4.73 ft at 6:45PM May 22, 2013Observed: 4.73 ft at 7:00PM May 22, 2013Observed: 4.72 ft at 7:15PM May 22, 2013Observed: 4.72 ft at 7:30PM May 22, 2013Observed: 4.72 ft at 7:45PM May 22, 2013Observed: 4.72 ft at 8:00PM May 22, 2013Observed: 4.72 ft at 8:15PM May 22, 2013Observed: 4.72 ft at 8:30PM May 22, 2013Observed: 4.71 ft at 8:45PM May 22, 2013Observed: 4.71 ft at 9:00PM May 22, 2013Observed: 4.71 ft at 9:15PM May 22, 2013Observed: 4.71 ft at 9:30PM May 22, 2013Observed: 4.71 ft at 9:45PM May 22, 2013Observed: 4.71 ft at 10:00PM May 22, 2013Observed: 4.71 ft at 10:15PM May 22, 2013Observed: 4.71 ft at 10:30PM May 22, 2013Observed: 4.7 ft at 10:45PM May 22, 2013Observed: 4.71 ft at 11:00PM May 22, 2013Observed: 4.7 ft at 11:15PM May 22, 2013Observed: 4.7 ft at 11:30PM May 22, 2013Observed: 4.7 ft at 11:45PM May 22, 2013Observed: 4.7 ft at 12:00AM May 23, 2013Observed: 4.7 ft at 12:15AM May 23, 2013Observed: 4.7 ft at 12:30AM May 23, 2013Observed: 4.7 ft at 12:45AM May 23, 2013Observed: 4.7 ft at 1:00AM May 23, 2013Observed: 4.7 ft at 1:15AM May 23, 2013Observed: 4.7 ft at 1:30AM May 23, 2013Observed: 4.7 ft at 1:45AM May 23, 2013Observed: 4.7 ft at 2:00AM May 23, 2013Observed: 4.7 ft at 2:15AM May 23, 2013Observed: 4.7 ft at 2:30AM May 23, 2013Observed: 4.7 ft at 2:45AM May 23, 2013Observed: 4.7 ft at 3:00AM May 23, 2013Observed: 4.7 ft at 3:15AM May 23, 2013Observed: 4.7 ft at 3:30AM May 23, 2013Observed: 4.7 ft at 3:45AM May 23, 2013Observed: 4.7 ft at 4:00AM May 23, 2013Observed: 4.7 ft at 4:15AM May 23, 2013Observed: 4.7 ft at 4:30AM May 23, 2013Observed: 4.7 ft at 4:45AM May 23, 2013Observed: 4.7 ft at 5:00AM May 23, 2013Observed: 4.7 ft at 5:15AM May 23, 2013Observed: 4.7 ft at 5:30AM May 23, 2013Observed: 4.7 ft at 5:45AM May 23, 2013Observed: 4.7 ft at 6:00AM May 23, 2013Observed: 4.7 ft at 6:15AM May 23, 2013Observed: 4.7 ft at 6:30AM May 23, 2013Observed: 4.7 ft at 6:45AM May 23, 2013Observed: 4.69 ft at 7:00AM May 23, 2013Observed: 4.7 ft at 7:15AM May 23, 2013Observed: 4.7 ft at 7:30AM May 23, 2013Observed: 4.7 ft at 7:45AM May 23, 2013Observed: 4.7 ft at 8:00AM May 23, 2013Observed: 4.7 ft at 8:15AM May 23, 2013Observed: 4.7 ft at 8:30AM May 23, 2013Observed: 4.7 ft at 8:45AM May 23, 2013Observed: 4.7 ft at 9:00AM May 23, 2013Observed: 4.7 ft at 9:15AM May 23, 2013Observed: 4.7 ft at 9:30AM May 23, 2013Observed: 4.7 ft at 9:45AM May 23, 2013Observed: 4.71 ft at 10:00AM May 23, 2013Observed: 4.71 ft at 10:15AM May 23, 2013Observed: 4.71 ft at 10:30AM May 23, 2013Observed: 4.71 ft at 10:45AM May 23, 2013Observed: 4.72 ft at 11:00AM May 23, 2013Observed: 4.72 ft at 11:15AM May 23, 2013Observed: 4.72 ft at 11:30AM May 23, 2013Observed: 4.72 ft at 11:45AM May 23, 2013Observed: 4.72 ft at 12:00PM May 23, 2013Observed: 4.72 ft at 12:15PM May 23, 2013Observed: 4.72 ft at 12:30PM May 23, 2013Observed: 4.73 ft at 12:45PM May 23, 2013Observed: 4.73 ft at 1:00PM May 23, 2013Observed: 4.73 ft at 1:15PM May 23, 2013Observed: 4.73 ft at 1:30PM May 23, 2013Observed: 4.73 ft at 1:45PM May 23, 2013Observed: 4.73 ft at 2:00PM May 23, 2013Observed: 4.74 ft at 2:15PM May 23, 2013Observed: 4.74 ft at 2:30PM May 23, 2013Observed: 4.74 ft at 2:45PM May 23, 2013Observed: 4.74 ft at 3:00PM May 23, 2013Observed: 4.74 ft at 3:15PM May 23, 2013Observed: 4.74 ft at 3:30PM May 23, 2013Observed: 4.74 ft at 3:45PM May 23, 2013Observed: 4.75 ft at 4:00PM May 23, 2013Observed: 4.75 ft at 4:15PM May 23, 2013Observed: 4.75 ft at 4:30PM May 23, 2013Observed: 4.83 ft at 4:45PM May 23, 2013Observed: 4.81 ft at 5:00PM May 23, 2013Observed: 4.8 ft at 5:15PM May 23, 2013Observed: 4.8 ft at 5:30PM May 23, 2013Observed: 4.8 ft at 5:45PM May 23, 2013Observed: 4.79 ft at 6:00PM May 23, 2013Observed: 4.79 ft at 6:15PM May 23, 2013Observed: 4.79 ft at 6:30PM May 23, 2013Observed: 4.8 ft at 6:45PM May 23, 2013Observed: 4.79 ft at 7:00PM May 23, 2013Observed: 4.79 ft at 7:15PM May 23, 2013Observed: 4.79 ft at 7:30PM May 23, 2013Observed: 4.79 ft at 7:45PM May 23, 2013Observed: 4.79 ft at 8:00PM May 23, 2013Observed: 4.79 ft at 8:15PM May 23, 2013Observed: 4.79 ft at 8:30PM May 23, 2013Observed: 4.79 ft at 8:45PM May 23, 2013Observed: 4.79 ft at 9:00PM May 23, 2013Observed: 4.78 ft at 9:15PM May 23, 2013Observed: 4.78 ft at 9:30PM May 23, 2013Observed: 4.78 ft at 9:45PM May 23, 2013Observed: 4.78 ft at 10:00PM May 23, 2013Observed: 4.78 ft at 10:15PM May 23, 2013Observed: 4.78 ft at 10:30PM May 23, 2013Observed: 4.78 ft at 10:45PM May 23, 2013Observed: 4.79 ft at 11:00PM May 23, 2013Observed: 4.79 ft at 11:15PM May 23, 2013Observed: 4.79 ft at 11:30PM May 23, 2013Observed: 4.79 ft at 11:45PM May 23, 2013Observed: 4.81 ft at 12:00AM May 24, 2013Observed: 4.83 ft at 12:15AM May 24, 2013Observed: 4.83 ft at 12:30AM May 24, 2013Observed: 4.84 ft at 12:45AM May 24, 2013Observed: 4.85 ft at 1:00AM May 24, 2013Observed: 4.85 ft at 1:15AM May 24, 2013Observed: 4.86 ft at 1:30AM May 24, 2013Observed: 4.87 ft at 1:45AM May 24, 2013Observed: 4.87 ft at 2:00AM May 24, 2013Observed: 4.87 ft at 2:15AM May 24, 2013Observed: 4.87 ft at 2:30AM May 24, 2013Observed: 4.87 ft at 2:45AM May 24, 2013Observed: 4.88 ft at 3:00AM May 24, 2013Observed: 4.88 ft at 3:15AM May 24, 2013Observed: 4.89 ft at 3:30AM May 24, 2013Observed: 4.89 ft at 3:45AM May 24, 2013Highest Observation: 4.9 ft at 4:00AM May 24, 2013Highest Observation: 4.9 ft at 4:15AM May 24, 2013Highest Observation: 4.9 ft at 4:30AM May 24, 2013Highest Observation: 4.9 ft at 4:45AM May 24, 2013Highest Observation: 4.9 ft at 5:00AM May 24, 2013Observed: 4.89 ft at 5:15AM May 24, 2013Observed: 4.89 ft at 5:30AM May 24, 2013Observed: 4.89 ft at 5:45AM May 24, 2013Observed: 4.89 ft at 6:00AM May 24, 2013Observed: 4.89 ft at 6:15AM May 24, 2013Observed: 4.89 ft at 6:30AM May 24, 2013Observed: 4.89 ft at 6:45AM May 24, 2013Observed: 4.89 ft at 7:00AM May 24, 2013Observed: 4.89 ft at 7:15AM May 24, 2013Observed: 4.89 ft at 7:30AM May 24, 2013Observed: 4.89 ft at 7:45AM May 24, 2013Observed: 4.89 ft at 8:00AM May 24, 2013Observed: 4.89 ft at 8:15AM May 24, 2013Observed: 4.89 ft at 8:30AM May 24, 2013Observed: 4.89 ft at 8:45AM May 24, 2013Observed: 4.89 ft at 9:00AM May 24, 2013Observed: 4.89 ft at 9:15AM May 24, 2013Observed: 4.89 ft at 9:30AM May 24, 2013Observed: 4.89 ft at 9:45AM May 24, 2013Observed: 4.89 ft at 10:00AM May 24, 2013Observed: 4.89 ft at 10:15AM May 24, 2013Observed: 4.89 ft at 10:30AM May 24, 2013Observed: 4.89 ft at 10:45AM May 24, 2013Observed: 4.89 ft at 11:00AM May 24, 2013Observed: 4.89 ft at 11:15AM May 24, 2013Observed: 4.89 ft at 11:30AM May 24, 2013Observed: 4.89 ft at 11:45AM May 24, 2013Observed: 4.89 ft at 12:00PM May 24, 2013Observed: 4.89 ft at 12:15PM May 24, 2013Observed: 4.89 ft at 12:30PM May 24, 2013Forecast: 4.9 ft 2:00PM May 24, 2013Forecast: 4.9 ft 8:00PM May 24, 2013Forecast: 5 ft 2:00AM May 25, 2013Forecast: 5 ft 8:00AM May 25, 2013Forecast: 5.1 ft 2:00PM May 25, 2013Forecast: 5.1 ft 8:00PM May 25, 2013Forecast: 5.2 ft 2:00AM May 26, 2013Forecast: 5.2 ft 8:00AM May 26, 2013Forecast: 5.2 ft 2:00PM May 26, 2013Forecast: 5.2 ft 8:00PM May 26, 2013Highest Forecast: 5.3 ft 2:00AM May 27, 2013Highest Forecast: 5.3 ft 8:00AM May 27, 2013USGS--Water Resources of the United StatesLCNM3(plotting HGIRG) Graph Created (1:30PM May 24, 2013)ObservedForecast (issued 11:12AM May 24)Latest observed value: 4.89 ft at 12:30 PM EDT 24-May-2013. Flood Stage is 8 ft
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Datum: Not Available
Metadata
NOTE: Forecasts for the Concord River at Lowell are issued routinely year-round.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage:12
Moderate Flood Stage:10
Flood Stage:8
Action Stage:7.5

Historical 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 Historical Crests

Low Water Records
Legend
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 Collapse
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.
About This Location Collapse

Latitude: 42.636667° N, Longitude: 71.302500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

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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
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445 Myles Standish Blvd
Taunton, MA 02780
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