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Hydrograph River at a Glance Download
Shawsheen River at Wilmington Stage (ft)Flow (kcfs)Observed: 2.43 ft at 7:30AM Oct 17, 2014Observed: 2.44 ft at 7:45AM Oct 17, 2014Observed: 2.45 ft at 8:00AM Oct 17, 2014Observed: 2.45 ft at 8:15AM Oct 17, 2014Observed: 2.45 ft at 8:30AM Oct 17, 2014Highest Observation: 2.46 ft at 8:45AM Oct 17, 2014Highest Observation: 2.46 ft at 9:00AM Oct 17, 2014Highest Observation: 2.46 ft at 9:15AM Oct 17, 2014Highest Observation: 2.46 ft at 9:30AM Oct 17, 2014Highest Observation: 2.46 ft at 9:45AM Oct 17, 2014Highest Observation: 2.46 ft at 10:00AM Oct 17, 2014Highest Observation: 2.46 ft at 10:15AM Oct 17, 2014Highest Observation: 2.46 ft at 10:30AM Oct 17, 2014Highest Observation: 2.46 ft at 10:45AM Oct 17, 2014Highest Observation: 2.46 ft at 11:00AM Oct 17, 2014Observed: 2.45 ft at 11:15AM Oct 17, 2014Observed: 2.45 ft at 11:30AM Oct 17, 2014Observed: 2.45 ft at 11:45AM Oct 17, 2014Observed: 2.45 ft at 12:00PM Oct 17, 2014Observed: 2.45 ft at 12:15PM Oct 17, 2014Observed: 2.45 ft at 12:30PM Oct 17, 2014Observed: 2.45 ft at 12:45PM Oct 17, 2014Observed: 2.45 ft at 1:00PM Oct 17, 2014Observed: 2.45 ft at 1:15PM Oct 17, 2014Observed: 2.44 ft at 1:30PM Oct 17, 2014Observed: 2.44 ft at 1:45PM Oct 17, 2014Observed: 2.44 ft at 2:00PM Oct 17, 2014Observed: 2.44 ft at 2:15PM Oct 17, 2014Observed: 2.43 ft at 2:30PM Oct 17, 2014Observed: 2.43 ft at 2:45PM Oct 17, 2014Observed: 2.43 ft at 3:00PM Oct 17, 2014Observed: 2.42 ft at 3:15PM Oct 17, 2014Observed: 2.42 ft at 3:30PM Oct 17, 2014Observed: 2.42 ft at 3:45PM Oct 17, 2014Observed: 2.41 ft at 4:00PM Oct 17, 2014Observed: 2.41 ft at 4:15PM Oct 17, 2014Observed: 2.41 ft at 4:30PM Oct 17, 2014Observed: 2.4 ft at 4:45PM Oct 17, 2014Observed: 2.4 ft at 5:00PM Oct 17, 2014Observed: 2.39 ft at 5:15PM Oct 17, 2014Observed: 2.39 ft at 5:30PM Oct 17, 2014Observed: 2.39 ft at 5:45PM Oct 17, 2014Observed: 2.38 ft at 6:00PM Oct 17, 2014Observed: 2.38 ft at 6:15PM Oct 17, 2014Observed: 2.37 ft at 6:30PM Oct 17, 2014Observed: 2.37 ft at 6:45PM Oct 17, 2014Observed: 2.36 ft at 7:00PM Oct 17, 2014Observed: 2.36 ft at 7:15PM Oct 17, 2014Observed: 2.36 ft at 7:30PM Oct 17, 2014Observed: 2.36 ft at 7:45PM Oct 17, 2014Observed: 2.35 ft at 8:00PM Oct 17, 2014Observed: 2.35 ft at 8:15PM Oct 17, 2014Observed: 2.34 ft at 8:30PM Oct 17, 2014Observed: 2.34 ft at 8:45PM Oct 17, 2014Observed: 2.34 ft at 9:00PM Oct 17, 2014Observed: 2.33 ft at 9:15PM Oct 17, 2014Observed: 2.33 ft at 9:30PM Oct 17, 2014Observed: 2.33 ft at 9:45PM Oct 17, 2014Observed: 2.32 ft at 10:00PM Oct 17, 2014Observed: 2.32 ft at 10:15PM Oct 17, 2014Observed: 2.31 ft at 10:30PM Oct 17, 2014Observed: 2.31 ft at 10:45PM Oct 17, 2014Observed: 2.31 ft at 11:00PM Oct 17, 2014Observed: 2.3 ft at 11:15PM Oct 17, 2014Observed: 2.3 ft at 11:30PM Oct 17, 2014Observed: 2.3 ft at 11:45PM Oct 17, 2014Observed: 2.29 ft at 12:00AM Oct 18, 2014Observed: 2.29 ft at 12:15AM Oct 18, 2014Observed: 2.29 ft at 12:30AM Oct 18, 2014Observed: 2.3 ft at 12:45AM Oct 18, 2014Observed: 2.3 ft at 1:00AM Oct 18, 2014Observed: 2.3 ft at 1:15AM Oct 18, 2014Observed: 2.3 ft at 1:30AM Oct 18, 2014Observed: 2.31 ft at 1:45AM Oct 18, 2014Observed: 2.31 ft at 2:00AM Oct 18, 2014Observed: 2.32 ft at 2:15AM Oct 18, 2014Observed: 2.32 ft at 2:30AM Oct 18, 2014Observed: 2.32 ft at 2:45AM Oct 18, 2014Observed: 2.33 ft at 3:00AM Oct 18, 2014Observed: 2.33 ft at 3:15AM Oct 18, 2014Observed: 2.33 ft at 3:30AM Oct 18, 2014Observed: 2.33 ft at 3:45AM Oct 18, 2014Observed: 2.33 ft at 4:00AM Oct 18, 2014Observed: 2.34 ft at 4:15AM Oct 18, 2014Observed: 2.34 ft at 4:30AM Oct 18, 2014Observed: 2.34 ft at 4:45AM Oct 18, 2014Observed: 2.34 ft at 5:00AM Oct 18, 2014Observed: 2.34 ft at 5:15AM Oct 18, 2014Observed: 2.34 ft at 5:30AM Oct 18, 2014Observed: 2.34 ft at 5:45AM Oct 18, 2014Observed: 2.34 ft at 6:00AM Oct 18, 2014Observed: 2.34 ft at 6:15AM Oct 18, 2014Observed: 2.34 ft at 6:30AM Oct 18, 2014Observed: 2.34 ft at 6:45AM Oct 18, 2014Observed: 2.34 ft at 7:00AM Oct 18, 2014Observed: 2.34 ft at 7:15AM Oct 18, 2014Observed: 2.34 ft at 7:30AM Oct 18, 2014Observed: 2.33 ft at 7:45AM Oct 18, 2014Observed: 2.33 ft at 8:00AM Oct 18, 2014Observed: 2.33 ft at 8:15AM Oct 18, 2014Observed: 2.32 ft at 8:30AM Oct 18, 2014Observed: 2.32 ft at 8:45AM Oct 18, 2014Observed: 2.31 ft at 9:00AM Oct 18, 2014Observed: 2.31 ft at 9:15AM Oct 18, 2014Observed: 2.3 ft at 9:30AM Oct 18, 2014Observed: 2.29 ft at 9:45AM Oct 18, 2014Observed: 2.29 ft at 10:00AM Oct 18, 2014Observed: 2.28 ft at 10:15AM Oct 18, 2014Observed: 2.27 ft at 10:30AM Oct 18, 2014Observed: 2.26 ft at 10:45AM Oct 18, 2014Observed: 2.26 ft at 11:00AM Oct 18, 2014Observed: 2.25 ft at 11:15AM Oct 18, 2014Observed: 2.24 ft at 11:30AM Oct 18, 2014Observed: 2.23 ft at 11:45AM Oct 18, 2014Observed: 2.23 ft at 12:00PM Oct 18, 2014Observed: 2.22 ft at 12:15PM Oct 18, 2014Observed: 2.22 ft at 12:30PM Oct 18, 2014Observed: 2.21 ft at 12:45PM Oct 18, 2014Observed: 2.2 ft at 1:00PM Oct 18, 2014Observed: 2.2 ft at 1:15PM Oct 18, 2014Observed: 2.19 ft at 1:30PM Oct 18, 2014Observed: 2.19 ft at 1:45PM Oct 18, 2014Observed: 2.18 ft at 2:00PM Oct 18, 2014Observed: 2.18 ft at 2:15PM Oct 18, 2014Observed: 2.17 ft at 2:30PM Oct 18, 2014Observed: 2.17 ft at 2:45PM Oct 18, 2014Observed: 2.17 ft at 3:00PM Oct 18, 2014Observed: 2.16 ft at 3:15PM Oct 18, 2014Observed: 2.16 ft at 3:30PM Oct 18, 2014Observed: 2.16 ft at 3:45PM Oct 18, 2014Observed: 2.15 ft at 4:00PM Oct 18, 2014Observed: 2.15 ft at 4:15PM Oct 18, 2014Observed: 2.15 ft at 4:30PM Oct 18, 2014Observed: 2.15 ft at 4:45PM Oct 18, 2014Observed: 2.14 ft at 5:00PM Oct 18, 2014Observed: 2.14 ft at 5:15PM Oct 18, 2014Observed: 2.14 ft at 5:30PM Oct 18, 2014Observed: 2.14 ft at 5:45PM Oct 18, 2014Observed: 2.13 ft at 6:00PM Oct 18, 2014Observed: 2.13 ft at 6:15PM Oct 18, 2014Observed: 2.13 ft at 6:30PM Oct 18, 2014Observed: 2.13 ft at 6:45PM Oct 18, 2014Observed: 2.12 ft at 7:00PM Oct 18, 2014Observed: 2.13 ft at 7:15PM Oct 18, 2014Observed: 2.12 ft at 7:30PM Oct 18, 2014Observed: 2.12 ft at 7:45PM Oct 18, 2014Observed: 2.12 ft at 8:00PM Oct 18, 2014Observed: 2.12 ft at 8:15PM Oct 18, 2014Observed: 2.12 ft at 8:30PM Oct 18, 2014Observed: 2.12 ft at 8:45PM Oct 18, 2014Observed: 2.12 ft at 9:00PM Oct 18, 2014Observed: 2.12 ft at 9:15PM Oct 18, 2014Observed: 2.12 ft at 9:30PM Oct 18, 2014Observed: 2.13 ft at 9:45PM Oct 18, 2014Observed: 2.14 ft at 10:00PM Oct 18, 2014Observed: 2.15 ft at 10:15PM Oct 18, 2014Observed: 2.15 ft at 10:30PM Oct 18, 2014Observed: 2.16 ft at 10:45PM Oct 18, 2014Observed: 2.17 ft at 11:00PM Oct 18, 2014Observed: 2.18 ft at 11:15PM Oct 18, 2014Observed: 2.19 ft at 11:30PM Oct 18, 2014Observed: 2.2 ft at 11:45PM Oct 18, 2014Observed: 2.2 ft at 12:00AM Oct 19, 2014Observed: 2.21 ft at 12:15AM Oct 19, 2014Observed: 2.22 ft at 12:30AM Oct 19, 2014Observed: 2.23 ft at 12:45AM Oct 19, 2014Observed: 2.23 ft at 1:00AM Oct 19, 2014Observed: 2.23 ft at 1:15AM Oct 19, 2014Observed: 2.24 ft at 1:30AM Oct 19, 2014Observed: 2.24 ft at 1:45AM Oct 19, 2014Observed: 2.24 ft at 2:00AM Oct 19, 2014Observed: 2.25 ft at 2:15AM Oct 19, 2014Observed: 2.25 ft at 2:30AM Oct 19, 2014Observed: 2.25 ft at 2:45AM Oct 19, 2014Observed: 2.25 ft at 3:00AM Oct 19, 2014Observed: 2.25 ft at 3:15AM Oct 19, 2014Observed: 2.25 ft at 3:30AM Oct 19, 2014Observed: 2.26 ft at 3:45AM Oct 19, 2014Observed: 2.26 ft at 4:00AM Oct 19, 2014Observed: 2.26 ft at 4:15AM Oct 19, 2014Observed: 2.26 ft at 4:30AM Oct 19, 2014Observed: 2.26 ft at 4:45AM Oct 19, 2014Observed: 2.26 ft at 5:00AM Oct 19, 2014Observed: 2.26 ft at 5:15AM Oct 19, 2014Observed: 2.26 ft at 5:30AM Oct 19, 2014Observed: 2.26 ft at 5:45AM Oct 19, 2014Observed: 2.26 ft at 6:00AM Oct 19, 2014Observed: 2.26 ft at 6:15AM Oct 19, 2014Observed: 2.26 ft at 6:30AM Oct 19, 2014Observed: 2.26 ft at 6:45AM Oct 19, 2014Observed: 2.25 ft at 7:00AM Oct 19, 2014Observed: 2.25 ft at 7:15AM Oct 19, 2014Observed: 2.25 ft at 7:30AM Oct 19, 2014Observed: 2.25 ft at 7:45AM Oct 19, 2014Observed: 2.25 ft at 8:00AM Oct 19, 2014Observed: 2.24 ft at 8:15AM Oct 19, 2014Observed: 2.24 ft at 8:30AM Oct 19, 2014Observed: 2.24 ft at 8:45AM Oct 19, 2014Observed: 2.24 ft at 9:00AM Oct 19, 2014Observed: 2.24 ft at 9:15AM Oct 19, 2014Observed: 2.23 ft at 9:30AM Oct 19, 2014Observed: 2.22 ft at 9:45AM Oct 19, 2014Observed: 2.22 ft at 10:00AM Oct 19, 2014Observed: 2.21 ft at 10:15AM Oct 19, 2014Observed: 2.2 ft at 10:30AM Oct 19, 2014Observed: 2.2 ft at 10:45AM Oct 19, 2014Observed: 2.19 ft at 11:00AM Oct 19, 2014Observed: 2.18 ft at 11:15AM Oct 19, 2014Observed: 2.17 ft at 11:30AM Oct 19, 2014Observed: 2.16 ft at 11:45AM Oct 19, 2014Observed: 2.15 ft at 12:00PM Oct 19, 2014Observed: 2.14 ft at 12:15PM Oct 19, 2014Observed: 2.13 ft at 12:30PM Oct 19, 2014Observed: 2.12 ft at 12:45PM Oct 19, 2014Observed: 2.12 ft at 1:00PM Oct 19, 2014Observed: 2.11 ft at 1:15PM Oct 19, 2014Observed: 2.1 ft at 1:30PM Oct 19, 2014Observed: 2.1 ft at 1:45PM Oct 19, 2014Observed: 2.09 ft at 2:00PM Oct 19, 2014Observed: 2.09 ft at 2:15PM Oct 19, 2014Observed: 2.08 ft at 2:30PM Oct 19, 2014Observed: 2.08 ft at 2:45PM Oct 19, 2014Observed: 2.08 ft at 3:00PM Oct 19, 2014Observed: 2.08 ft at 3:15PM Oct 19, 2014Observed: 2.07 ft at 3:30PM Oct 19, 2014Observed: 2.07 ft at 3:45PM Oct 19, 2014Observed: 2.07 ft at 4:00PM Oct 19, 2014Observed: 2.07 ft at 4:15PM Oct 19, 2014Observed: 2.06 ft at 4:30PM Oct 19, 2014Observed: 2.06 ft at 4:45PM Oct 19, 2014Observed: 2.06 ft at 5:00PM Oct 19, 2014Observed: 2.06 ft at 5:15PM Oct 19, 2014Observed: 2.06 ft at 5:30PM Oct 19, 2014Observed: 2.06 ft at 5:45PM Oct 19, 2014Observed: 2.06 ft at 6:00PM Oct 19, 2014Observed: 2.06 ft at 6:15PM Oct 19, 2014Observed: 2.06 ft at 6:30PM Oct 19, 2014Observed: 2.07 ft at 6:45PM Oct 19, 2014Observed: 2.08 ft at 7:00PM Oct 19, 2014Observed: 2.09 ft at 7:15PM Oct 19, 2014Observed: 2.1 ft at 7:30PM Oct 19, 2014Observed: 2.11 ft at 7:45PM Oct 19, 2014Observed: 2.11 ft at 8:00PM Oct 19, 2014Observed: 2.12 ft at 8:15PM Oct 19, 2014Observed: 2.13 ft at 8:30PM Oct 19, 2014Observed: 2.14 ft at 8:45PM Oct 19, 2014Observed: 2.15 ft at 9:00PM Oct 19, 2014Observed: 2.16 ft at 9:15PM Oct 19, 2014Observed: 2.16 ft at 9:30PM Oct 19, 2014Observed: 2.17 ft at 9:45PM Oct 19, 2014Observed: 2.17 ft at 10:00PM Oct 19, 2014Observed: 2.18 ft at 10:15PM Oct 19, 2014Observed: 2.18 ft at 10:30PM Oct 19, 2014Observed: 2.18 ft at 10:45PM Oct 19, 2014Observed: 2.18 ft at 11:00PM Oct 19, 2014Observed: 2.19 ft at 11:15PM Oct 19, 2014Observed: 2.19 ft at 11:30PM Oct 19, 2014Observed: 2.19 ft at 11:45PM Oct 19, 2014Observed: 2.19 ft at 12:00AM Oct 20, 2014Observed: 2.19 ft at 12:15AM Oct 20, 2014Observed: 2.19 ft at 12:30AM Oct 20, 2014Observed: 2.19 ft at 12:45AM Oct 20, 2014Observed: 2.19 ft at 1:00AM Oct 20, 2014Observed: 2.2 ft at 1:15AM Oct 20, 2014Observed: 2.19 ft at 1:30AM Oct 20, 2014Observed: 2.19 ft at 1:45AM Oct 20, 2014Observed: 2.19 ft at 2:00AM Oct 20, 2014Observed: 2.19 ft at 2:15AM Oct 20, 2014Observed: 2.19 ft at 2:30AM Oct 20, 2014Observed: 2.19 ft at 2:45AM Oct 20, 2014Observed: 2.19 ft at 3:00AM Oct 20, 2014Observed: 2.19 ft at 3:15AM Oct 20, 2014Observed: 2.19 ft at 3:30AM Oct 20, 2014Observed: 2.19 ft at 3:45AM Oct 20, 2014Observed: 2.19 ft at 4:00AM Oct 20, 2014Observed: 2.19 ft at 4:15AM Oct 20, 2014Observed: 2.18 ft at 4:30AM Oct 20, 2014Observed: 2.18 ft at 4:45AM Oct 20, 2014Observed: 2.18 ft at 5:00AM Oct 20, 2014Observed: 2.18 ft at 5:15AM Oct 20, 2014Observed: 2.18 ft at 5:30AM Oct 20, 2014Observed: 2.18 ft at 5:45AM Oct 20, 2014Observed: 2.18 ft at 6:00AM Oct 20, 2014Observed: 2.18 ft at 6:15AM Oct 20, 2014Observed: 2.17 ft at 6:30AM Oct 20, 2014Highest Forecast: 2.1 ft 8:00AM Oct 20, 2014Highest Forecast: 2.1 ft 2:00PM Oct 20, 2014Highest Forecast: 2.1 ft 8:00PM Oct 20, 2014Highest Forecast: 2.1 ft 2:00AM Oct 21, 2014Highest Forecast: 2.1 ft 8:00AM Oct 21, 2014Highest Forecast: 2.1 ft 2:00PM Oct 21, 2014Highest Forecast: 2.1 ft 8:00PM Oct 21, 2014Highest Forecast: 2.1 ft 2:00AM Oct 22, 2014Forecast: 2 ft 8:00AM Oct 22, 2014USGS--Water Resources of the United StatesWLMM3(plotting HGIRG) Graph Created (7:16AM Oct 20, 2014)ObservedForecast (issued 11:41AM Oct 19)Latest observed value: 2.17 ft at 6:30 AM EDT 20-Oct-2014. Flood Stage is 7 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 Shawsheen River at Wilmington are issued routinely year-round.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage:10
Moderate Flood Stage:8
Flood Stage:7
Action Stage:5

Historical Crests
(1) 10.59 ft on 03/16/2010
(2) 10.49 ft on 10/22/1996
(3) 9.87 ft on 03/23/2001
(4) 9.85 ft on 01/26/1979
(5) 9.42 ft on 03/31/2010
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
11 FLOODING WILL AFFECT AREAS ALONG THE RIVER FROM WILMINGTON TO LAWRENCE. SOME ROADS WILL BECOME IMPASSABLE INCLUDING ROUTE 114 NEAR THE I495 INTERCHANGE. FOLLOW THE ADVICE OF LOCAL OFFICIALS...AND EVACUATE IF ASKED TO DO SO. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. BASEMENT FLOODING IN LOW LYING AREAS IS LIKELY AND VALUABLES SHOULD BE MOVED TO HIGHER GROUND.
9 FLOODING WILL AFFECT AREAS ALONG THE RIVER FROM WILMINGTON TO LAWRENCE. SOME ROADS WILL BECOME IMPASSABLE INCLUDING ROUTE 114 NEAR THE I495 INTERCHANGE. FOLLOW THE ADVICE OF LOCAL OFFICIALS...AND EVACUATE IF ASKED TO DO SO. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. BASEMENT FLOODING IN LOW LYING AREAS IS LIKELY AND VALUABLES SHOULD BE MOVED TO HIGHER GROUND.
8 FLOODING WILL AFFECT LOW LYING NEIGHBORHOODS FROM WILMINGTON THROUGH TEWKSBURY TO LAWRENCE. THIS INCLUDES A PORTION OF ROUTE 114 IN LAWRENCE. AREAS SUBJECT TO BASEMENT FLOODING SHOULD MOVE VALUABLES TO HIGHER GROUND.
7.5 FLOOD WATERS WILL INUNDATE A PORTION OF ROUTE 114 IN LAWRENCE...AND ALSO AFFECT LOW LYING AREAS FROM WILMINGTON THROUGH LAWRENCE.
7 FLOODING WILL AFFECT LOW LYING AREAS ALONG THE RIVER FROM WILMINGTON THROUGH LAWRENCE.
About This Location Collapse

Latitude: 42.568056° N, Longitude: 71.215278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 7 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: 5-Aug-2014 6:39 PM
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