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Hydrograph River at a Glance Download
Concord River at Lowell Stage (ft)Flow (kcfs)Observed: 4.5 ft at 2:00AM Oct 23, 2014Observed: 4.52 ft at 2:15AM Oct 23, 2014Observed: 4.57 ft at 2:30AM Oct 23, 2014Observed: 4.62 ft at 2:45AM Oct 23, 2014Observed: 4.65 ft at 3:00AM Oct 23, 2014Observed: 4.67 ft at 3:15AM Oct 23, 2014Observed: 4.7 ft at 3:30AM Oct 23, 2014Observed: 4.73 ft at 3:45AM Oct 23, 2014Observed: 4.77 ft at 4:00AM Oct 23, 2014Observed: 4.84 ft at 4:15AM Oct 23, 2014Observed: 4.85 ft at 4:30AM Oct 23, 2014Observed: 4.88 ft at 4:45AM Oct 23, 2014Observed: 4.89 ft at 5:00AM Oct 23, 2014Observed: 4.89 ft at 5:15AM Oct 23, 2014Observed: 4.89 ft at 5:30AM Oct 23, 2014Observed: 4.9 ft at 5:45AM Oct 23, 2014Observed: 4.96 ft at 6:00AM Oct 23, 2014Observed: 5.01 ft at 6:15AM Oct 23, 2014Observed: 5.08 ft at 6:30AM Oct 23, 2014Observed: 5.13 ft at 6:45AM Oct 23, 2014Observed: 5.19 ft at 7:00AM Oct 23, 2014Observed: 5.25 ft at 7:15AM Oct 23, 2014Observed: 5.32 ft at 7:30AM Oct 23, 2014Observed: 5.42 ft at 7:45AM Oct 23, 2014Observed: 5.49 ft at 8:00AM Oct 23, 2014Observed: 5.55 ft at 8:15AM Oct 23, 2014Observed: 5.58 ft at 8:30AM Oct 23, 2014Observed: 5.6 ft at 8:45AM Oct 23, 2014Observed: 5.59 ft at 9:00AM Oct 23, 2014Observed: 5.59 ft at 9:15AM Oct 23, 2014Observed: 5.59 ft at 9:30AM Oct 23, 2014Observed: 5.6 ft at 9:45AM Oct 23, 2014Observed: 5.61 ft at 10:00AM Oct 23, 2014Observed: 5.65 ft at 10:15AM Oct 23, 2014Observed: 5.66 ft at 10:30AM Oct 23, 2014Observed: 5.68 ft at 10:45AM Oct 23, 2014Observed: 5.69 ft at 11:00AM Oct 23, 2014Observed: 5.66 ft at 11:15AM Oct 23, 2014Observed: 5.66 ft at 11:30AM Oct 23, 2014Observed: 5.65 ft at 11:45AM Oct 23, 2014Observed: 5.64 ft at 12:00PM Oct 23, 2014Observed: 5.64 ft at 12:15PM Oct 23, 2014Observed: 5.64 ft at 12:30PM Oct 23, 2014Observed: 5.64 ft at 12:45PM Oct 23, 2014Observed: 5.63 ft at 1:00PM Oct 23, 2014Observed: 5.63 ft at 1:15PM Oct 23, 2014Observed: 5.63 ft at 1:30PM Oct 23, 2014Observed: 5.63 ft at 1:45PM Oct 23, 2014Observed: 5.64 ft at 2:00PM Oct 23, 2014Observed: 5.63 ft at 2:15PM Oct 23, 2014Observed: 5.64 ft at 2:30PM Oct 23, 2014Observed: 5.64 ft at 2:45PM Oct 23, 2014Observed: 5.63 ft at 3:00PM Oct 23, 2014Observed: 5.64 ft at 3:15PM Oct 23, 2014Observed: 5.64 ft at 3:30PM Oct 23, 2014Observed: 5.64 ft at 3:45PM Oct 23, 2014Observed: 5.64 ft at 4:00PM Oct 23, 2014Observed: 5.64 ft at 4:15PM Oct 23, 2014Observed: 5.65 ft at 4:30PM Oct 23, 2014Observed: 5.65 ft at 4:45PM Oct 23, 2014Highest Observation: 5.75 ft at 5:15PM Oct 23, 2014Observed: 5.74 ft at 5:30PM Oct 23, 2014Observed: 5.74 ft at 5:45PM Oct 23, 2014Observed: 5.73 ft at 6:00PM Oct 23, 2014Observed: 5.73 ft at 6:15PM Oct 23, 2014Observed: 5.72 ft at 6:30PM Oct 23, 2014Observed: 5.72 ft at 6:45PM Oct 23, 2014Observed: 5.72 ft at 7:00PM Oct 23, 2014Observed: 5.72 ft at 7:15PM Oct 23, 2014Observed: 5.71 ft at 7:30PM Oct 23, 2014Observed: 5.71 ft at 7:45PM Oct 23, 2014Observed: 5.71 ft at 8:00PM Oct 23, 2014Observed: 5.71 ft at 8:15PM Oct 23, 2014Observed: 5.7 ft at 8:30PM Oct 23, 2014Observed: 5.7 ft at 8:45PM Oct 23, 2014Observed: 5.7 ft at 9:00PM Oct 23, 2014Observed: 5.7 ft at 9:15PM Oct 23, 2014Observed: 5.69 ft at 9:30PM Oct 23, 2014Observed: 5.69 ft at 9:45PM Oct 23, 2014Observed: 5.69 ft at 10:00PM Oct 23, 2014Observed: 5.69 ft at 10:15PM Oct 23, 2014Observed: 5.69 ft at 10:30PM Oct 23, 2014Observed: 5.69 ft at 10:45PM Oct 23, 2014Observed: 5.68 ft at 11:00PM Oct 23, 2014Observed: 5.68 ft at 11:15PM Oct 23, 2014Observed: 5.68 ft at 11:30PM Oct 23, 2014Observed: 5.68 ft at 11:45PM Oct 23, 2014Observed: 5.68 ft at 12:00AM Oct 24, 2014Observed: 5.68 ft at 12:15AM Oct 24, 2014Observed: 5.68 ft at 12:30AM Oct 24, 2014Observed: 5.67 ft at 12:45AM Oct 24, 2014Observed: 5.67 ft at 1:00AM Oct 24, 2014Observed: 5.67 ft at 1:15AM Oct 24, 2014Observed: 5.67 ft at 1:30AM Oct 24, 2014Observed: 5.66 ft at 1:45AM Oct 24, 2014Observed: 5.66 ft at 2:00AM Oct 24, 2014Observed: 5.66 ft at 2:15AM Oct 24, 2014Observed: 5.65 ft at 2:30AM Oct 24, 2014Observed: 5.65 ft at 2:45AM Oct 24, 2014Observed: 5.65 ft at 3:00AM Oct 24, 2014Observed: 5.65 ft at 3:15AM Oct 24, 2014Observed: 5.65 ft at 3:30AM Oct 24, 2014Observed: 5.65 ft at 3:45AM Oct 24, 2014Observed: 5.65 ft at 4:00AM Oct 24, 2014Observed: 5.65 ft at 4:15AM Oct 24, 2014Observed: 5.65 ft at 4:30AM Oct 24, 2014Observed: 5.64 ft at 4:45AM Oct 24, 2014Observed: 5.64 ft at 5:00AM Oct 24, 2014Observed: 5.64 ft at 5:15AM Oct 24, 2014Observed: 5.64 ft at 5:30AM Oct 24, 2014Observed: 5.64 ft at 5:45AM Oct 24, 2014Observed: 5.64 ft at 6:00AM Oct 24, 2014Observed: 5.63 ft at 6:15AM Oct 24, 2014Observed: 5.63 ft at 6:30AM Oct 24, 2014Observed: 5.63 ft at 6:45AM Oct 24, 2014Observed: 5.63 ft at 7:00AM Oct 24, 2014Observed: 5.62 ft at 7:15AM Oct 24, 2014Observed: 5.62 ft at 7:30AM Oct 24, 2014Observed: 5.62 ft at 7:45AM Oct 24, 2014Observed: 5.62 ft at 8:00AM Oct 24, 2014Observed: 5.62 ft at 8:15AM Oct 24, 2014Observed: 5.62 ft at 8:30AM Oct 24, 2014Observed: 5.61 ft at 8:45AM Oct 24, 2014Observed: 5.61 ft at 9:00AM Oct 24, 2014Observed: 5.61 ft at 9:15AM Oct 24, 2014Observed: 5.61 ft at 9:30AM Oct 24, 2014Observed: 5.61 ft at 9:45AM Oct 24, 2014Observed: 5.61 ft at 10:00AM Oct 24, 2014Observed: 5.61 ft at 10:15AM Oct 24, 2014Observed: 5.61 ft at 10:30AM Oct 24, 2014Observed: 5.61 ft at 10:45AM Oct 24, 2014Observed: 5.61 ft at 11:00AM Oct 24, 2014Observed: 5.61 ft at 11:15AM Oct 24, 2014Observed: 5.61 ft at 11:30AM Oct 24, 2014Observed: 5.61 ft at 11:45AM Oct 24, 2014Observed: 5.61 ft at 12:00PM Oct 24, 2014Observed: 5.61 ft at 12:15PM Oct 24, 2014Observed: 5.61 ft at 12:30PM Oct 24, 2014Observed: 5.61 ft at 12:45PM Oct 24, 2014Observed: 5.61 ft at 1:00PM Oct 24, 2014Observed: 5.61 ft at 1:15PM Oct 24, 2014Observed: 5.61 ft at 1:30PM Oct 24, 2014Observed: 5.61 ft at 1:45PM Oct 24, 2014Observed: 5.61 ft at 2:00PM Oct 24, 2014Observed: 5.61 ft at 2:15PM Oct 24, 2014Observed: 5.61 ft at 2:30PM Oct 24, 2014Observed: 5.61 ft at 2:45PM Oct 24, 2014Observed: 5.61 ft at 3:00PM Oct 24, 2014Observed: 5.61 ft at 3:15PM Oct 24, 2014Observed: 5.61 ft at 3:30PM Oct 24, 2014Observed: 5.61 ft at 3:45PM Oct 24, 2014Observed: 5.61 ft at 4:00PM Oct 24, 2014Observed: 5.61 ft at 4:15PM Oct 24, 2014Observed: 5.67 ft at 5:45PM Oct 24, 2014Observed: 5.66 ft at 6:00PM Oct 24, 2014Observed: 5.66 ft at 6:15PM Oct 24, 2014Observed: 5.65 ft at 6:30PM Oct 24, 2014Observed: 5.65 ft at 6:45PM Oct 24, 2014Observed: 5.65 ft at 7:00PM Oct 24, 2014Observed: 5.65 ft at 7:15PM Oct 24, 2014Observed: 5.64 ft at 7:30PM Oct 24, 2014Observed: 5.64 ft at 7:45PM Oct 24, 2014Observed: 5.64 ft at 8:00PM Oct 24, 2014Observed: 5.64 ft at 8:15PM Oct 24, 2014Observed: 5.64 ft at 8:30PM Oct 24, 2014Observed: 5.64 ft at 8:45PM Oct 24, 2014Observed: 5.64 ft at 9:00PM Oct 24, 2014Observed: 5.64 ft at 9:15PM Oct 24, 2014Observed: 5.63 ft at 9:30PM Oct 24, 2014Observed: 5.63 ft at 9:45PM Oct 24, 2014Observed: 5.62 ft at 10:00PM Oct 24, 2014Observed: 5.63 ft at 10:15PM Oct 24, 2014Observed: 5.63 ft at 10:30PM Oct 24, 2014Observed: 5.63 ft at 10:45PM Oct 24, 2014Observed: 5.63 ft at 11:00PM Oct 24, 2014Observed: 5.63 ft at 11:15PM Oct 24, 2014Observed: 5.63 ft at 11:30PM Oct 24, 2014Observed: 5.62 ft at 11:45PM Oct 24, 2014Observed: 5.63 ft at 12:00AM Oct 25, 2014Observed: 5.62 ft at 12:15AM Oct 25, 2014Observed: 5.63 ft at 12:30AM Oct 25, 2014Observed: 5.62 ft at 12:45AM Oct 25, 2014Observed: 5.62 ft at 1:00AM Oct 25, 2014Observed: 5.62 ft at 1:15AM Oct 25, 2014Observed: 5.62 ft at 1:30AM Oct 25, 2014Observed: 5.62 ft at 1:45AM Oct 25, 2014Observed: 5.62 ft at 2:00AM Oct 25, 2014Observed: 5.62 ft at 2:15AM Oct 25, 2014Observed: 5.62 ft at 2:30AM Oct 25, 2014Observed: 5.62 ft at 2:45AM Oct 25, 2014Observed: 5.62 ft at 3:00AM Oct 25, 2014Observed: 5.62 ft at 3:15AM Oct 25, 2014Observed: 5.62 ft at 3:30AM Oct 25, 2014Observed: 5.62 ft at 3:45AM Oct 25, 2014Observed: 5.62 ft at 4:00AM Oct 25, 2014Observed: 5.62 ft at 4:15AM Oct 25, 2014Observed: 5.62 ft at 4:30AM Oct 25, 2014Observed: 5.62 ft at 4:45AM Oct 25, 2014Observed: 5.63 ft at 5:00AM Oct 25, 2014Observed: 5.62 ft at 5:15AM Oct 25, 2014Observed: 5.63 ft at 5:30AM Oct 25, 2014Observed: 5.63 ft at 5:45AM Oct 25, 2014Observed: 5.63 ft at 6:00AM Oct 25, 2014Observed: 5.63 ft at 6:15AM Oct 25, 2014Observed: 5.63 ft at 6:30AM Oct 25, 2014Observed: 5.63 ft at 6:45AM Oct 25, 2014Observed: 5.63 ft at 7:00AM Oct 25, 2014Observed: 5.63 ft at 7:15AM Oct 25, 2014Observed: 5.64 ft at 7:30AM Oct 25, 2014Observed: 5.64 ft at 7:45AM Oct 25, 2014Observed: 5.64 ft at 8:00AM Oct 25, 2014Observed: 5.64 ft at 8:15AM Oct 25, 2014Observed: 5.64 ft at 8:30AM Oct 25, 2014Observed: 5.64 ft at 8:45AM Oct 25, 2014Observed: 5.64 ft at 9:00AM Oct 25, 2014Observed: 5.64 ft at 9:15AM Oct 25, 2014Observed: 5.64 ft at 9:30AM Oct 25, 2014Observed: 5.65 ft at 9:45AM Oct 25, 2014Observed: 5.65 ft at 10:00AM Oct 25, 2014Observed: 5.65 ft at 10:15AM Oct 25, 2014Observed: 5.65 ft at 10:30AM Oct 25, 2014Observed: 5.65 ft at 10:45AM Oct 25, 2014Observed: 5.65 ft at 11:00AM Oct 25, 2014Observed: 5.65 ft at 11:15AM Oct 25, 2014Observed: 5.65 ft at 11:30AM Oct 25, 2014Observed: 5.66 ft at 11:45AM Oct 25, 2014Observed: 5.66 ft at 12:00PM Oct 25, 2014Observed: 5.66 ft at 12:15PM Oct 25, 2014Observed: 5.66 ft at 12:30PM Oct 25, 2014Observed: 5.66 ft at 12:45PM Oct 25, 2014Observed: 5.67 ft at 1:00PM Oct 25, 2014Observed: 5.66 ft at 1:15PM Oct 25, 2014Observed: 5.67 ft at 1:30PM Oct 25, 2014Observed: 5.67 ft at 1:45PM Oct 25, 2014Observed: 5.67 ft at 2:00PM Oct 25, 2014Observed: 5.68 ft at 2:15PM Oct 25, 2014Observed: 5.68 ft at 2:30PM Oct 25, 2014Observed: 5.68 ft at 2:45PM Oct 25, 2014Observed: 5.68 ft at 3:00PM Oct 25, 2014Observed: 5.68 ft at 3:15PM Oct 25, 2014Observed: 5.68 ft at 3:30PM Oct 25, 2014Observed: 5.68 ft at 3:45PM Oct 25, 2014Observed: 5.69 ft at 4:00PM Oct 25, 2014Observed: 5.69 ft at 4:15PM Oct 25, 2014Observed: 5.68 ft at 4:30PM Oct 25, 2014Observed: 5.69 ft at 4:45PM Oct 25, 2014Observed: 5.69 ft at 5:00PM Oct 25, 2014Observed: 5.69 ft at 5:15PM Oct 25, 2014Observed: 5.69 ft at 5:30PM Oct 25, 2014Observed: 5.69 ft at 5:45PM Oct 25, 2014Observed: 5.69 ft at 6:00PM Oct 25, 2014Observed: 5.69 ft at 6:15PM Oct 25, 2014Observed: 5.69 ft at 6:30PM Oct 25, 2014Observed: 5.69 ft at 6:45PM Oct 25, 2014Observed: 5.69 ft at 7:00PM Oct 25, 2014Observed: 5.69 ft at 7:15PM Oct 25, 2014Observed: 5.69 ft at 7:30PM Oct 25, 2014Observed: 5.69 ft at 7:45PM Oct 25, 2014Observed: 5.69 ft at 8:00PM Oct 25, 2014Observed: 5.69 ft at 8:15PM Oct 25, 2014Observed: 5.69 ft at 8:30PM Oct 25, 2014Observed: 5.69 ft at 8:45PM Oct 25, 2014Observed: 5.7 ft at 9:00PM Oct 25, 2014Observed: 5.7 ft at 9:15PM Oct 25, 2014Observed: 5.7 ft at 9:30PM Oct 25, 2014Observed: 5.7 ft at 9:45PM Oct 25, 2014Observed: 5.7 ft at 10:00PM Oct 25, 2014Observed: 5.7 ft at 10:15PM Oct 25, 2014Observed: 5.7 ft at 10:30PM Oct 25, 2014Observed: 5.7 ft at 10:45PM Oct 25, 2014Observed: 5.7 ft at 11:00PM Oct 25, 2014Observed: 5.71 ft at 11:15PM Oct 25, 2014Observed: 5.71 ft at 11:30PM Oct 25, 2014Observed: 5.7 ft at 11:45PM Oct 25, 2014Observed: 5.7 ft at 12:00AM Oct 26, 2014Observed: 5.71 ft at 12:15AM Oct 26, 2014Observed: 5.71 ft at 12:30AM Oct 26, 2014Observed: 5.71 ft at 12:45AM Oct 26, 2014Observed: 5.71 ft at 1:00AM Oct 26, 2014Observed: 5.71 ft at 1:15AM Oct 26, 2014Observed: 5.72 ft at 1:30AM Oct 26, 2014Forecast: 5.8 ft 2:00AM Oct 26, 2014Forecast: 5.9 ft 8:00AM Oct 26, 2014Forecast: 5.9 ft 2:00PM Oct 26, 2014Forecast: 5.9 ft 8:00PM Oct 26, 2014Highest Forecast: 6 ft 2:00AM Oct 27, 2014Highest Forecast: 6 ft 8:00AM Oct 27, 2014Highest Forecast: 6 ft 2:00PM Oct 27, 2014Highest Forecast: 6 ft 8:00PM Oct 27, 2014Highest Forecast: 6 ft 2:00AM Oct 28, 2014Highest Forecast: 6 ft 8:00AM Oct 28, 2014USGS--Water Resources of the United StatesLCNM3(plotting HGIRG) Graph Created (1:45AM Oct 26, 2014)ObservedForecast (issued 11:20AM Oct 25)Latest observed value: 5.72 ft at 1:30 AM EDT 26-Oct-2014. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Concord River at Lowell are issued routinely year-round.
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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

(P): Preliminary values subject to further review.

Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
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
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.
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  

Current/Historical Observations:

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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.
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Page last modified: 27-Aug-2014 7:12 PM
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