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Hydrograph River at a Glance Download
Blackstone River at Northbridge Stage (ft)Flow (kcfs)Observed: 3.79 ft at 11:45PM Mar 23, 2015Observed: 3.79 ft at 12:00AM Mar 24, 2015Observed: 3.79 ft at 12:15AM Mar 24, 2015Observed: 3.79 ft at 12:30AM Mar 24, 2015Observed: 3.79 ft at 12:45AM Mar 24, 2015Observed: 3.78 ft at 1:00AM Mar 24, 2015Observed: 3.78 ft at 1:15AM Mar 24, 2015Observed: 3.78 ft at 1:30AM Mar 24, 2015Observed: 3.78 ft at 1:45AM Mar 24, 2015Observed: 3.78 ft at 2:00AM Mar 24, 2015Observed: 3.78 ft at 2:15AM Mar 24, 2015Observed: 3.78 ft at 2:30AM Mar 24, 2015Observed: 3.78 ft at 2:45AM Mar 24, 2015Observed: 3.77 ft at 3:00AM Mar 24, 2015Observed: 3.77 ft at 3:15AM Mar 24, 2015Observed: 3.77 ft at 3:30AM Mar 24, 2015Observed: 3.77 ft at 3:45AM Mar 24, 2015Observed: 3.77 ft at 4:00AM Mar 24, 2015Observed: 3.76 ft at 4:15AM Mar 24, 2015Observed: 3.76 ft at 4:30AM Mar 24, 2015Observed: 3.76 ft at 4:45AM Mar 24, 2015Observed: 3.75 ft at 5:00AM Mar 24, 2015Observed: 3.75 ft at 5:15AM Mar 24, 2015Observed: 3.75 ft at 5:30AM Mar 24, 2015Observed: 3.74 ft at 5:45AM Mar 24, 2015Observed: 3.74 ft at 6:00AM Mar 24, 2015Observed: 3.74 ft at 6:15AM Mar 24, 2015Observed: 3.73 ft at 6:30AM Mar 24, 2015Observed: 3.73 ft at 6:45AM Mar 24, 2015Observed: 3.72 ft at 7:00AM Mar 24, 2015Observed: 3.72 ft at 7:15AM Mar 24, 2015Observed: 3.71 ft at 7:30AM Mar 24, 2015Observed: 3.71 ft at 7:45AM Mar 24, 2015Observed: 3.7 ft at 8:00AM Mar 24, 2015Observed: 3.7 ft at 8:15AM Mar 24, 2015Observed: 3.7 ft at 8:30AM Mar 24, 2015Observed: 3.69 ft at 8:45AM Mar 24, 2015Observed: 3.69 ft at 9:00AM Mar 24, 2015Observed: 3.68 ft at 9:15AM Mar 24, 2015Observed: 3.68 ft at 9:30AM Mar 24, 2015Observed: 3.67 ft at 9:45AM Mar 24, 2015Observed: 3.67 ft at 10:00AM Mar 24, 2015Observed: 3.67 ft at 10:15AM Mar 24, 2015Observed: 3.67 ft at 10:30AM Mar 24, 2015Observed: 3.66 ft at 10:45AM Mar 24, 2015Observed: 3.66 ft at 11:00AM Mar 24, 2015Observed: 3.66 ft at 11:15AM Mar 24, 2015Observed: 3.65 ft at 11:30AM Mar 24, 2015Observed: 3.65 ft at 11:45AM Mar 24, 2015Observed: 3.65 ft at 12:00PM Mar 24, 2015Observed: 3.65 ft at 12:15PM Mar 24, 2015Observed: 3.65 ft at 12:30PM Mar 24, 2015Observed: 3.65 ft at 12:45PM Mar 24, 2015Observed: 3.65 ft at 1:00PM Mar 24, 2015Observed: 3.65 ft at 1:15PM Mar 24, 2015Observed: 3.65 ft at 1:30PM Mar 24, 2015Observed: 3.66 ft at 1:45PM Mar 24, 2015Observed: 3.66 ft at 2:00PM Mar 24, 2015Observed: 3.67 ft at 2:15PM Mar 24, 2015Observed: 3.67 ft at 2:30PM Mar 24, 2015Observed: 3.67 ft at 2:45PM Mar 24, 2015Observed: 3.67 ft at 3:00PM Mar 24, 2015Observed: 3.68 ft at 3:15PM Mar 24, 2015Observed: 3.68 ft at 3:30PM Mar 24, 2015Observed: 3.68 ft at 3:45PM Mar 24, 2015Observed: 3.68 ft at 4:00PM Mar 24, 2015Observed: 3.68 ft at 4:15PM Mar 24, 2015Observed: 3.69 ft at 4:30PM Mar 24, 2015Observed: 3.69 ft at 4:45PM Mar 24, 2015Observed: 3.69 ft at 5:00PM Mar 24, 2015Observed: 3.69 ft at 5:15PM Mar 24, 2015Observed: 3.7 ft at 5:30PM Mar 24, 2015Observed: 3.7 ft at 5:45PM Mar 24, 2015Observed: 3.7 ft at 6:00PM Mar 24, 2015Observed: 3.7 ft at 6:15PM Mar 24, 2015Observed: 3.7 ft at 6:30PM Mar 24, 2015Observed: 3.7 ft at 6:45PM Mar 24, 2015Observed: 3.7 ft at 6:46PM Mar 24, 2015Observed: 3.7 ft at 7:00PM Mar 24, 2015Observed: 3.7 ft at 7:15PM Mar 24, 2015Observed: 3.7 ft at 7:30PM Mar 24, 2015Observed: 3.7 ft at 7:45PM Mar 24, 2015Observed: 3.7 ft at 8:00PM Mar 24, 2015Observed: 3.7 ft at 8:15PM Mar 24, 2015Observed: 3.7 ft at 8:30PM Mar 24, 2015Observed: 3.7 ft at 8:45PM Mar 24, 2015Observed: 3.7 ft at 9:00PM Mar 24, 2015Observed: 3.7 ft at 9:15PM Mar 24, 2015Observed: 3.7 ft at 9:30PM Mar 24, 2015Observed: 3.7 ft at 9:45PM Mar 24, 2015Observed: 3.7 ft at 10:00PM Mar 24, 2015Observed: 3.7 ft at 10:15PM Mar 24, 2015Observed: 3.7 ft at 10:30PM Mar 24, 2015Observed: 3.7 ft at 10:45PM Mar 24, 2015Observed: 3.7 ft at 11:00PM Mar 24, 2015Observed: 3.7 ft at 11:15PM Mar 24, 2015Observed: 3.7 ft at 11:30PM Mar 24, 2015Observed: 3.7 ft at 11:45PM Mar 24, 2015Observed: 3.7 ft at 12:00AM Mar 25, 2015Observed: 3.7 ft at 12:15AM Mar 25, 2015Observed: 3.7 ft at 12:30AM Mar 25, 2015Observed: 3.7 ft at 12:45AM Mar 25, 2015Observed: 3.7 ft at 12:46AM Mar 25, 2015Observed: 3.7 ft at 1:00AM Mar 25, 2015Observed: 3.7 ft at 1:15AM Mar 25, 2015Observed: 3.7 ft at 1:30AM Mar 25, 2015Observed: 3.7 ft at 1:45AM Mar 25, 2015Observed: 3.7 ft at 2:00AM Mar 25, 2015Observed: 3.7 ft at 2:15AM Mar 25, 2015Observed: 3.71 ft at 2:30AM Mar 25, 2015Observed: 3.7 ft at 2:45AM Mar 25, 2015Observed: 3.7 ft at 3:00AM Mar 25, 2015Observed: 3.7 ft at 3:15AM Mar 25, 2015Observed: 3.7 ft at 3:30AM Mar 25, 2015Observed: 3.7 ft at 3:45AM Mar 25, 2015Observed: 3.7 ft at 4:00AM Mar 25, 2015Observed: 3.7 ft at 4:15AM Mar 25, 2015Observed: 3.7 ft at 4:30AM Mar 25, 2015Observed: 3.7 ft at 4:45AM Mar 25, 2015Observed: 3.7 ft at 5:00AM Mar 25, 2015Observed: 3.7 ft at 5:15AM Mar 25, 2015Observed: 3.7 ft at 5:30AM Mar 25, 2015Observed: 3.69 ft at 5:45AM Mar 25, 2015Observed: 3.69 ft at 6:00AM Mar 25, 2015Observed: 3.69 ft at 6:15AM Mar 25, 2015Observed: 3.68 ft at 6:30AM Mar 25, 2015Observed: 3.68 ft at 6:45AM Mar 25, 2015Observed: 3.67 ft at 7:00AM Mar 25, 2015Observed: 3.67 ft at 7:15AM Mar 25, 2015Observed: 3.67 ft at 7:30AM Mar 25, 2015Observed: 3.67 ft at 7:45AM Mar 25, 2015Observed: 3.66 ft at 8:00AM Mar 25, 2015Observed: 3.66 ft at 8:15AM Mar 25, 2015Observed: 3.65 ft at 8:30AM Mar 25, 2015Observed: 3.65 ft at 8:45AM Mar 25, 2015Observed: 3.65 ft at 9:00AM Mar 25, 2015Observed: 3.64 ft at 9:15AM Mar 25, 2015Observed: 3.64 ft at 9:30AM Mar 25, 2015Observed: 3.64 ft at 9:45AM Mar 25, 2015Observed: 3.63 ft at 10:00AM Mar 25, 2015Observed: 3.65 ft at 10:15AM Mar 25, 2015Observed: 3.65 ft at 10:30AM Mar 25, 2015Observed: 3.66 ft at 10:45AM Mar 25, 2015Observed: 3.66 ft at 11:00AM Mar 25, 2015Observed: 3.65 ft at 11:15AM Mar 25, 2015Observed: 3.65 ft at 11:30AM Mar 25, 2015Observed: 3.65 ft at 11:45AM Mar 25, 2015Observed: 3.65 ft at 12:00PM Mar 25, 2015Observed: 3.65 ft at 12:15PM Mar 25, 2015Observed: 3.65 ft at 12:30PM Mar 25, 2015Observed: 3.65 ft at 12:45PM Mar 25, 2015Observed: 3.65 ft at 12:46PM Mar 25, 2015Observed: 3.65 ft at 1:00PM Mar 25, 2015Observed: 3.65 ft at 1:15PM Mar 25, 2015Observed: 3.65 ft at 1:30PM Mar 25, 2015Observed: 3.65 ft at 1:45PM Mar 25, 2015Observed: 3.65 ft at 2:00PM Mar 25, 2015Observed: 3.65 ft at 2:15PM Mar 25, 2015Observed: 3.66 ft at 2:30PM Mar 25, 2015Observed: 3.66 ft at 2:45PM Mar 25, 2015Observed: 3.66 ft at 3:00PM Mar 25, 2015Observed: 3.66 ft at 3:15PM Mar 25, 2015Observed: 3.67 ft at 3:30PM Mar 25, 2015Observed: 3.67 ft at 3:45PM Mar 25, 2015Observed: 3.67 ft at 4:00PM Mar 25, 2015Observed: 3.68 ft at 4:15PM Mar 25, 2015Observed: 3.68 ft at 4:30PM Mar 25, 2015Observed: 3.69 ft at 4:45PM Mar 25, 2015Observed: 3.69 ft at 5:00PM Mar 25, 2015Observed: 3.69 ft at 5:15PM Mar 25, 2015Observed: 3.7 ft at 5:30PM Mar 25, 2015Observed: 3.7 ft at 5:45PM Mar 25, 2015Observed: 3.7 ft at 6:00PM Mar 25, 2015Observed: 3.7 ft at 6:15PM Mar 25, 2015Observed: 3.71 ft at 6:30PM Mar 25, 2015Observed: 3.71 ft at 6:45PM Mar 25, 2015Observed: 3.71 ft at 6:46PM Mar 25, 2015Observed: 3.71 ft at 7:00PM Mar 25, 2015Observed: 3.71 ft at 7:15PM Mar 25, 2015Observed: 3.72 ft at 7:30PM Mar 25, 2015Observed: 3.73 ft at 7:45PM Mar 25, 2015Observed: 3.73 ft at 8:00PM Mar 25, 2015Observed: 3.74 ft at 8:15PM Mar 25, 2015Observed: 3.75 ft at 8:30PM Mar 25, 2015Observed: 3.75 ft at 8:45PM Mar 25, 2015Observed: 3.76 ft at 9:00PM Mar 25, 2015Observed: 3.77 ft at 9:15PM Mar 25, 2015Observed: 3.77 ft at 9:30PM Mar 25, 2015Observed: 3.77 ft at 9:45PM Mar 25, 2015Observed: 3.78 ft at 10:00PM Mar 25, 2015Observed: 3.78 ft at 10:15PM Mar 25, 2015Observed: 3.78 ft at 10:30PM Mar 25, 2015Observed: 3.79 ft at 10:45PM Mar 25, 2015Observed: 3.79 ft at 11:00PM Mar 25, 2015Observed: 3.8 ft at 11:15PM Mar 25, 2015Observed: 3.81 ft at 11:30PM Mar 25, 2015Observed: 3.81 ft at 11:45PM Mar 25, 2015Observed: 3.82 ft at 12:00AM Mar 26, 2015Observed: 3.82 ft at 12:15AM Mar 26, 2015Observed: 3.83 ft at 12:30AM Mar 26, 2015Observed: 3.83 ft at 12:45AM Mar 26, 2015Observed: 3.83 ft at 12:46AM Mar 26, 2015Observed: 3.84 ft at 1:00AM Mar 26, 2015Observed: 3.84 ft at 1:15AM Mar 26, 2015Observed: 3.86 ft at 1:30AM Mar 26, 2015Observed: 3.87 ft at 1:45AM Mar 26, 2015Observed: 3.88 ft at 2:00AM Mar 26, 2015Observed: 3.89 ft at 2:15AM Mar 26, 2015Observed: 3.89 ft at 2:30AM Mar 26, 2015Observed: 3.91 ft at 2:45AM Mar 26, 2015Observed: 3.91 ft at 3:00AM Mar 26, 2015Observed: 3.92 ft at 3:15AM Mar 26, 2015Observed: 3.93 ft at 3:30AM Mar 26, 2015Observed: 3.94 ft at 3:45AM Mar 26, 2015Observed: 3.95 ft at 4:00AM Mar 26, 2015Observed: 3.95 ft at 4:15AM Mar 26, 2015Observed: 3.96 ft at 4:30AM Mar 26, 2015Observed: 3.97 ft at 4:45AM Mar 26, 2015Observed: 3.97 ft at 5:00AM Mar 26, 2015Observed: 3.97 ft at 5:15AM Mar 26, 2015Observed: 3.97 ft at 5:30AM Mar 26, 2015Observed: 3.97 ft at 5:45AM Mar 26, 2015Observed: 3.97 ft at 6:00AM Mar 26, 2015Observed: 3.97 ft at 6:15AM Mar 26, 2015Observed: 3.97 ft at 6:30AM Mar 26, 2015Observed: 3.97 ft at 6:45AM Mar 26, 2015Observed: 3.97 ft at 7:00AM Mar 26, 2015Observed: 3.97 ft at 7:15AM Mar 26, 2015Observed: 3.97 ft at 7:30AM Mar 26, 2015Observed: 3.97 ft at 7:45AM Mar 26, 2015Observed: 3.97 ft at 8:00AM Mar 26, 2015Observed: 3.97 ft at 8:15AM Mar 26, 2015Observed: 3.96 ft at 8:30AM Mar 26, 2015Observed: 3.96 ft at 8:45AM Mar 26, 2015Observed: 3.96 ft at 9:00AM Mar 26, 2015Observed: 3.95 ft at 9:15AM Mar 26, 2015Observed: 3.95 ft at 9:30AM Mar 26, 2015Observed: 3.95 ft at 9:45AM Mar 26, 2015Observed: 3.95 ft at 10:00AM Mar 26, 2015Observed: 3.95 ft at 10:15AM Mar 26, 2015Observed: 3.95 ft at 10:30AM Mar 26, 2015Observed: 3.95 ft at 10:45AM Mar 26, 2015Observed: 3.95 ft at 11:00AM Mar 26, 2015Observed: 3.95 ft at 11:15AM Mar 26, 2015Observed: 3.95 ft at 11:30AM Mar 26, 2015Observed: 3.95 ft at 11:45AM Mar 26, 2015Observed: 3.96 ft at 12:00PM Mar 26, 2015Observed: 3.96 ft at 12:15PM Mar 26, 2015Observed: 3.96 ft at 12:30PM Mar 26, 2015Observed: 3.97 ft at 12:45PM Mar 26, 2015Observed: 3.97 ft at 1:00PM Mar 26, 2015Observed: 3.98 ft at 1:15PM Mar 26, 2015Observed: 3.98 ft at 1:30PM Mar 26, 2015Observed: 3.99 ft at 1:45PM Mar 26, 2015Observed: 3.99 ft at 2:00PM Mar 26, 2015Observed: 4 ft at 2:15PM Mar 26, 2015Observed: 4.01 ft at 2:30PM Mar 26, 2015Observed: 4.02 ft at 2:45PM Mar 26, 2015Observed: 4.07 ft at 3:00PM Mar 26, 2015Observed: 4.12 ft at 3:15PM Mar 26, 2015Observed: 4.16 ft at 3:30PM Mar 26, 2015Observed: 4.19 ft at 3:45PM Mar 26, 2015Observed: 4.21 ft at 4:00PM Mar 26, 2015Observed: 4.22 ft at 4:15PM Mar 26, 2015Observed: 4.22 ft at 4:30PM Mar 26, 2015Observed: 4.22 ft at 4:45PM Mar 26, 2015Observed: 4.22 ft at 5:00PM Mar 26, 2015Observed: 4.22 ft at 5:15PM Mar 26, 2015Observed: 4.22 ft at 5:30PM Mar 26, 2015Observed: 4.23 ft at 5:45PM Mar 26, 2015Observed: 4.24 ft at 6:00PM Mar 26, 2015Observed: 4.25 ft at 6:15PM Mar 26, 2015Observed: 4.27 ft at 6:30PM Mar 26, 2015Observed: 4.28 ft at 6:45PM Mar 26, 2015Observed: 4.31 ft at 7:00PM Mar 26, 2015Observed: 4.33 ft at 7:15PM Mar 26, 2015Observed: 4.34 ft at 7:30PM Mar 26, 2015Observed: 4.36 ft at 7:45PM Mar 26, 2015Observed: 4.38 ft at 8:00PM Mar 26, 2015Observed: 4.4 ft at 8:15PM Mar 26, 2015Observed: 4.42 ft at 8:30PM Mar 26, 2015Observed: 4.45 ft at 8:45PM Mar 26, 2015Observed: 4.5 ft at 9:00PM Mar 26, 2015Observed: 4.53 ft at 9:15PM Mar 26, 2015Observed: 4.57 ft at 9:30PM Mar 26, 2015Observed: 4.62 ft at 9:45PM Mar 26, 2015Observed: 4.68 ft at 10:00PM Mar 26, 2015Observed: 4.73 ft at 10:15PM Mar 26, 2015Highest Observation: 4.78 ft at 10:30PM Mar 26, 2015Forecast: 4.7 ft 2:00AM Mar 27, 2015Forecast: 5.1 ft 8:00AM Mar 27, 2015Forecast: 5.4 ft 2:00PM Mar 27, 2015Highest Forecast: 5.5 ft 8:00PM Mar 27, 2015Highest Forecast: 5.5 ft 2:00AM Mar 28, 2015Forecast: 5.3 ft 8:00AM Mar 28, 2015Forecast: 5.1 ft 2:00PM Mar 28, 2015Forecast: 4.9 ft 8:00PM Mar 28, 2015Forecast: 4.7 ft 2:00AM Mar 29, 2015Forecast: 4.6 ft 8:00AM Mar 29, 2015USGS--Water Resources of the United StatesNBRM3(plotting HGIRG) Graph Created (11:30PM Mar 26, 2015)ObservedForecast (issued 11:00AM Mar 26)Latest observed value: 4.78 ft at 10:30 PM EDT 26-Mar-2015. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts for the Blackstone River at Northbridge are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - at Woonsocket
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): 0

Historic Crests
(1) 16.70 ft on 08/20/1955
(2) 13.65 ft on 10/15/2005
(3) 12.48 ft on 01/25/1979
(4) 11.36 ft on 09/12/1954
(5) 10.70 ft on 03/10/1998
(6) 10.69 ft on 03/31/2010
(7) 10.54 ft on 09/08/2011
(8) 10.50 ft on 12/12/2008
(9) 10.50 ft on 04/16/2007
(10) 10.36 ft on 08/29/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.54 ft on 09/08/2011
(2) 10.36 ft on 08/29/2011
(3) 9.32 ft on 03/07/2011
(4) 10.69 ft on 03/31/2010
(5) 9.40 ft on 02/26/2010
(6) 10.50 ft on 12/12/2008
(7) 9.13 ft on 09/07/2008
(8) 9.24 ft on 03/09/2008
(9) 10.50 ft on 04/16/2007
(10) 13.65 ft on 10/15/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
16 Widespread flooding is expected along the river. Numerous residences along Main Street along and downstream of the Sutton Street Bridge will experience flooding.
13 This is a serious flood event. Flooding will spread into residences along the river on Main Street. Flooding will affect low lying areas from Northbridge to Millville. Buisnesses along the river should take the necessary actions to protect property along the river.
11 Flooding is expected along the river from Northbridge through Uxbridge and Millville. Flooding will affect some homes and businesses along the river in these towns.
9 Flooding of low lying areas along the river bank is likely between Northbridge and the Rhode Island and Massachusetts border.
About This Location Collapse

Latitude: 42.153611° N, Longitude: 71.652500° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 29 255.0 264.0 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: 12-Feb-2015 9:36 PM
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