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Hydrograph River at a Glance Download
Blackstone River at Northbridge Stage (ft)Flow (kcfs)Observed: 3.67 ft at 9:00AM Jun 28, 2015Observed: 3.69 ft at 9:15AM Jun 28, 2015Observed: 3.72 ft at 9:30AM Jun 28, 2015Observed: 3.74 ft at 9:45AM Jun 28, 2015Observed: 3.76 ft at 10:00AM Jun 28, 2015Observed: 3.77 ft at 10:15AM Jun 28, 2015Observed: 3.79 ft at 10:30AM Jun 28, 2015Observed: 3.81 ft at 10:45AM Jun 28, 2015Observed: 3.83 ft at 11:00AM Jun 28, 2015Observed: 3.85 ft at 11:15AM Jun 28, 2015Observed: 3.88 ft at 11:30AM Jun 28, 2015Observed: 3.92 ft at 11:45AM Jun 28, 2015Observed: 3.96 ft at 12:00PM Jun 28, 2015Observed: 4 ft at 12:15PM Jun 28, 2015Observed: 4.05 ft at 12:30PM Jun 28, 2015Observed: 4.1 ft at 12:45PM Jun 28, 2015Observed: 4.14 ft at 1:00PM Jun 28, 2015Observed: 4.19 ft at 1:15PM Jun 28, 2015Observed: 4.22 ft at 1:30PM Jun 28, 2015Observed: 4.27 ft at 1:45PM Jun 28, 2015Observed: 4.32 ft at 2:00PM Jun 28, 2015Observed: 4.36 ft at 2:15PM Jun 28, 2015Observed: 4.39 ft at 2:30PM Jun 28, 2015Observed: 4.41 ft at 2:45PM Jun 28, 2015Observed: 4.42 ft at 3:00PM Jun 28, 2015Observed: 4.43 ft at 3:15PM Jun 28, 2015Highest Observation: 4.44 ft at 3:30PM Jun 28, 2015Highest Observation: 4.44 ft at 3:45PM Jun 28, 2015Highest Observation: 4.44 ft at 4:00PM Jun 28, 2015Observed: 4.43 ft at 4:15PM Jun 28, 2015Observed: 4.42 ft at 4:30PM Jun 28, 2015Observed: 4.41 ft at 4:45PM Jun 28, 2015Observed: 4.39 ft at 5:00PM Jun 28, 2015Observed: 4.38 ft at 5:15PM Jun 28, 2015Observed: 4.36 ft at 5:30PM Jun 28, 2015Observed: 4.34 ft at 5:45PM Jun 28, 2015Observed: 4.33 ft at 6:00PM Jun 28, 2015Observed: 4.32 ft at 6:15PM Jun 28, 2015Observed: 4.3 ft at 6:30PM Jun 28, 2015Observed: 4.29 ft at 6:45PM Jun 28, 2015Observed: 4.27 ft at 7:00PM Jun 28, 2015Observed: 4.25 ft at 7:15PM Jun 28, 2015Observed: 4.22 ft at 7:30PM Jun 28, 2015Observed: 4.22 ft at 7:31PM Jun 28, 2015Observed: 4.21 ft at 7:45PM Jun 28, 2015Observed: 4.18 ft at 8:00PM Jun 28, 2015Observed: 4.16 ft at 8:15PM Jun 28, 2015Observed: 4.14 ft at 8:30PM Jun 28, 2015Observed: 4.12 ft at 8:45PM Jun 28, 2015Observed: 4.09 ft at 9:00PM Jun 28, 2015Observed: 4.07 ft at 9:15PM Jun 28, 2015Observed: 4.04 ft at 9:30PM Jun 28, 2015Observed: 4.02 ft at 9:45PM Jun 28, 2015Observed: 4 ft at 10:00PM Jun 28, 2015Observed: 3.98 ft at 10:15PM Jun 28, 2015Observed: 3.96 ft at 10:30PM Jun 28, 2015Observed: 3.95 ft at 10:45PM Jun 28, 2015Observed: 3.93 ft at 11:00PM Jun 28, 2015Observed: 3.91 ft at 11:15PM Jun 28, 2015Observed: 3.9 ft at 11:30PM Jun 28, 2015Observed: 3.88 ft at 11:45PM Jun 28, 2015Observed: 3.87 ft at 12:00AM Jun 29, 2015Observed: 3.86 ft at 12:15AM Jun 29, 2015Observed: 3.85 ft at 12:30AM Jun 29, 2015Observed: 3.84 ft at 12:45AM Jun 29, 2015Observed: 3.83 ft at 1:00AM Jun 29, 2015Observed: 3.82 ft at 1:15AM Jun 29, 2015Observed: 3.81 ft at 1:30AM Jun 29, 2015Observed: 3.81 ft at 1:31AM Jun 29, 2015Observed: 3.81 ft at 1:45AM Jun 29, 2015Observed: 3.8 ft at 2:00AM Jun 29, 2015Observed: 3.8 ft at 2:15AM Jun 29, 2015Observed: 3.79 ft at 2:30AM Jun 29, 2015Observed: 3.79 ft at 2:45AM Jun 29, 2015Observed: 3.78 ft at 3:00AM Jun 29, 2015Observed: 3.78 ft at 3:15AM Jun 29, 2015Observed: 3.78 ft at 3:30AM Jun 29, 2015Observed: 3.8 ft at 3:45AM Jun 29, 2015Observed: 3.83 ft at 4:00AM Jun 29, 2015Observed: 3.86 ft at 4:15AM Jun 29, 2015Observed: 3.85 ft at 4:30AM Jun 29, 2015Observed: 3.86 ft at 4:45AM Jun 29, 2015Observed: 3.86 ft at 5:00AM Jun 29, 2015Observed: 3.86 ft at 5:15AM Jun 29, 2015Observed: 3.86 ft at 5:30AM Jun 29, 2015Observed: 3.85 ft at 5:45AM Jun 29, 2015Observed: 3.85 ft at 6:00AM Jun 29, 2015Observed: 3.85 ft at 6:15AM Jun 29, 2015Observed: 3.84 ft at 6:30AM Jun 29, 2015Observed: 3.83 ft at 6:45AM Jun 29, 2015Observed: 3.82 ft at 7:00AM Jun 29, 2015Observed: 3.81 ft at 7:15AM Jun 29, 2015Observed: 3.81 ft at 7:30AM Jun 29, 2015Observed: 3.8 ft at 7:45AM Jun 29, 2015Observed: 3.83 ft at 8:00AM Jun 29, 2015Observed: 3.85 ft at 8:15AM Jun 29, 2015Observed: 3.87 ft at 8:30AM Jun 29, 2015Observed: 3.89 ft at 8:45AM Jun 29, 2015Observed: 3.9 ft at 9:00AM Jun 29, 2015Observed: 3.92 ft at 9:15AM Jun 29, 2015Observed: 3.92 ft at 9:30AM Jun 29, 2015Observed: 3.93 ft at 9:45AM Jun 29, 2015Observed: 3.9 ft at 10:00AM Jun 29, 2015Observed: 3.9 ft at 10:15AM Jun 29, 2015Observed: 3.88 ft at 10:30AM Jun 29, 2015Observed: 3.87 ft at 10:45AM Jun 29, 2015Observed: 3.86 ft at 11:00AM Jun 29, 2015Observed: 3.85 ft at 11:15AM Jun 29, 2015Observed: 3.84 ft at 11:30AM Jun 29, 2015Observed: 3.83 ft at 11:45AM Jun 29, 2015Observed: 3.82 ft at 12:00PM Jun 29, 2015Observed: 3.82 ft at 12:15PM Jun 29, 2015Observed: 3.82 ft at 12:30PM Jun 29, 2015Observed: 3.81 ft at 12:45PM Jun 29, 2015Observed: 3.8 ft at 1:00PM Jun 29, 2015Observed: 3.81 ft at 1:15PM Jun 29, 2015Observed: 3.8 ft at 1:30PM Jun 29, 2015Observed: 3.8 ft at 1:45PM Jun 29, 2015Observed: 3.79 ft at 2:00PM Jun 29, 2015Observed: 3.79 ft at 2:15PM Jun 29, 2015Observed: 3.82 ft at 2:30PM Jun 29, 2015Observed: 3.84 ft at 2:45PM Jun 29, 2015Observed: 3.87 ft at 3:00PM Jun 29, 2015Observed: 3.89 ft at 3:15PM Jun 29, 2015Observed: 3.91 ft at 3:30PM Jun 29, 2015Observed: 3.92 ft at 3:45PM Jun 29, 2015Observed: 3.93 ft at 4:00PM Jun 29, 2015Observed: 3.94 ft at 4:15PM Jun 29, 2015Observed: 3.89 ft at 4:30PM Jun 29, 2015Observed: 3.86 ft at 4:45PM Jun 29, 2015Observed: 3.84 ft at 5:00PM Jun 29, 2015Observed: 3.81 ft at 5:15PM Jun 29, 2015Observed: 3.79 ft at 5:30PM Jun 29, 2015Observed: 3.78 ft at 5:45PM Jun 29, 2015Observed: 3.76 ft at 6:00PM Jun 29, 2015Observed: 3.75 ft at 6:15PM Jun 29, 2015Observed: 3.74 ft at 6:30PM Jun 29, 2015Observed: 3.72 ft at 6:45PM Jun 29, 2015Observed: 3.71 ft at 7:00PM Jun 29, 2015Observed: 3.71 ft at 7:15PM Jun 29, 2015Observed: 3.7 ft at 7:30PM Jun 29, 2015Observed: 3.7 ft at 7:31PM Jun 29, 2015Observed: 3.75 ft at 7:45PM Jun 29, 2015Observed: 3.77 ft at 8:00PM Jun 29, 2015Observed: 3.8 ft at 8:15PM Jun 29, 2015Observed: 3.82 ft at 8:30PM Jun 29, 2015Observed: 3.84 ft at 8:45PM Jun 29, 2015Observed: 3.85 ft at 9:00PM Jun 29, 2015Observed: 3.86 ft at 9:15PM Jun 29, 2015Observed: 3.88 ft at 9:30PM Jun 29, 2015Observed: 3.89 ft at 9:45PM Jun 29, 2015Observed: 3.9 ft at 10:00PM Jun 29, 2015Observed: 3.9 ft at 10:15PM Jun 29, 2015Observed: 3.91 ft at 10:30PM Jun 29, 2015Observed: 3.91 ft at 10:45PM Jun 29, 2015Observed: 3.92 ft at 11:00PM Jun 29, 2015Observed: 3.92 ft at 11:15PM Jun 29, 2015Observed: 3.92 ft at 11:30PM Jun 29, 2015Observed: 3.92 ft at 11:45PM Jun 29, 2015Observed: 3.92 ft at 12:00AM Jun 30, 2015Observed: 3.92 ft at 12:15AM Jun 30, 2015Observed: 3.92 ft at 12:30AM Jun 30, 2015Observed: 3.92 ft at 12:45AM Jun 30, 2015Observed: 3.92 ft at 1:00AM Jun 30, 2015Observed: 3.92 ft at 1:15AM Jun 30, 2015Observed: 3.92 ft at 1:30AM Jun 30, 2015Observed: 3.92 ft at 1:45AM Jun 30, 2015Observed: 3.92 ft at 2:00AM Jun 30, 2015Observed: 3.92 ft at 2:15AM Jun 30, 2015Observed: 3.92 ft at 2:30AM Jun 30, 2015Observed: 3.91 ft at 2:45AM Jun 30, 2015Observed: 3.92 ft at 3:00AM Jun 30, 2015Observed: 3.91 ft at 3:15AM Jun 30, 2015Observed: 3.91 ft at 3:30AM Jun 30, 2015Observed: 3.91 ft at 3:45AM Jun 30, 2015Observed: 3.91 ft at 4:00AM Jun 30, 2015Observed: 3.91 ft at 4:15AM Jun 30, 2015Observed: 3.91 ft at 4:30AM Jun 30, 2015Observed: 3.9 ft at 4:45AM Jun 30, 2015Observed: 3.9 ft at 5:00AM Jun 30, 2015Observed: 3.9 ft at 5:15AM Jun 30, 2015Observed: 3.9 ft at 5:30AM Jun 30, 2015Observed: 3.9 ft at 5:45AM Jun 30, 2015Observed: 3.9 ft at 6:00AM Jun 30, 2015Observed: 3.89 ft at 6:15AM Jun 30, 2015Observed: 3.89 ft at 6:30AM Jun 30, 2015Observed: 3.89 ft at 6:45AM Jun 30, 2015Observed: 3.89 ft at 7:00AM Jun 30, 2015Observed: 3.89 ft at 7:15AM Jun 30, 2015Observed: 3.88 ft at 7:30AM Jun 30, 2015Observed: 3.88 ft at 7:45AM Jun 30, 2015Observed: 3.88 ft at 8:00AM Jun 30, 2015Observed: 3.87 ft at 8:15AM Jun 30, 2015Observed: 3.84 ft at 8:30AM Jun 30, 2015Observed: 3.84 ft at 8:45AM Jun 30, 2015Observed: 3.84 ft at 9:00AM Jun 30, 2015Observed: 3.84 ft at 9:15AM Jun 30, 2015Observed: 3.84 ft at 9:30AM Jun 30, 2015Observed: 3.84 ft at 9:45AM Jun 30, 2015Observed: 3.84 ft at 10:00AM Jun 30, 2015Observed: 3.85 ft at 10:15AM Jun 30, 2015Observed: 3.85 ft at 10:30AM Jun 30, 2015Observed: 3.86 ft at 10:45AM Jun 30, 2015Observed: 3.86 ft at 11:00AM Jun 30, 2015Observed: 3.86 ft at 11:15AM Jun 30, 2015Observed: 3.87 ft at 11:30AM Jun 30, 2015Observed: 3.87 ft at 11:45AM Jun 30, 2015Observed: 3.87 ft at 12:00PM Jun 30, 2015Observed: 3.87 ft at 12:15PM Jun 30, 2015Observed: 3.87 ft at 12:30PM Jun 30, 2015Observed: 3.87 ft at 12:45PM Jun 30, 2015Observed: 3.87 ft at 1:00PM Jun 30, 2015Observed: 3.87 ft at 1:15PM Jun 30, 2015Observed: 3.87 ft at 1:30PM Jun 30, 2015Observed: 3.87 ft at 1:45PM Jun 30, 2015Observed: 3.87 ft at 2:00PM Jun 30, 2015Observed: 3.87 ft at 2:15PM Jun 30, 2015Observed: 3.87 ft at 2:30PM Jun 30, 2015Observed: 3.87 ft at 2:45PM Jun 30, 2015Observed: 3.88 ft at 3:00PM Jun 30, 2015Observed: 3.88 ft at 3:15PM Jun 30, 2015Observed: 3.88 ft at 3:30PM Jun 30, 2015Observed: 3.88 ft at 3:45PM Jun 30, 2015Observed: 3.88 ft at 4:00PM Jun 30, 2015Observed: 3.88 ft at 4:15PM Jun 30, 2015Observed: 3.88 ft at 4:30PM Jun 30, 2015Observed: 3.88 ft at 4:45PM Jun 30, 2015Observed: 3.88 ft at 5:00PM Jun 30, 2015Observed: 3.88 ft at 5:15PM Jun 30, 2015Observed: 3.88 ft at 5:30PM Jun 30, 2015Observed: 3.88 ft at 5:45PM Jun 30, 2015Observed: 3.88 ft at 6:00PM Jun 30, 2015Observed: 3.88 ft at 6:15PM Jun 30, 2015Observed: 3.88 ft at 6:30PM Jun 30, 2015Observed: 3.88 ft at 6:45PM Jun 30, 2015Observed: 3.88 ft at 7:00PM Jun 30, 2015Observed: 3.88 ft at 7:15PM Jun 30, 2015Observed: 3.88 ft at 7:30PM Jun 30, 2015Observed: 3.88 ft at 7:31PM Jun 30, 2015Observed: 3.88 ft at 7:45PM Jun 30, 2015Observed: 3.88 ft at 8:00PM Jun 30, 2015Observed: 3.88 ft at 8:15PM Jun 30, 2015Observed: 3.88 ft at 8:30PM Jun 30, 2015Observed: 3.88 ft at 8:45PM Jun 30, 2015Observed: 3.88 ft at 9:00PM Jun 30, 2015Observed: 3.87 ft at 9:15PM Jun 30, 2015Observed: 3.87 ft at 9:30PM Jun 30, 2015Observed: 3.87 ft at 9:45PM Jun 30, 2015Observed: 3.87 ft at 10:00PM Jun 30, 2015Observed: 3.87 ft at 10:15PM Jun 30, 2015Observed: 3.87 ft at 10:30PM Jun 30, 2015Observed: 3.87 ft at 10:45PM Jun 30, 2015Observed: 3.86 ft at 11:00PM Jun 30, 2015Observed: 3.86 ft at 11:15PM Jun 30, 2015Observed: 3.86 ft at 11:30PM Jun 30, 2015Observed: 3.86 ft at 11:45PM Jun 30, 2015Observed: 3.86 ft at 12:00AM Jul 01, 2015Observed: 3.85 ft at 12:15AM Jul 01, 2015Observed: 3.85 ft at 12:30AM Jul 01, 2015Observed: 3.85 ft at 12:45AM Jul 01, 2015Observed: 3.85 ft at 1:00AM Jul 01, 2015Observed: 3.85 ft at 1:15AM Jul 01, 2015Observed: 3.85 ft at 1:16AM Jul 01, 2015Observed: 3.85 ft at 1:30AM Jul 01, 2015Observed: 3.84 ft at 1:45AM Jul 01, 2015Observed: 3.84 ft at 2:00AM Jul 01, 2015Observed: 3.84 ft at 2:15AM Jul 01, 2015Observed: 3.84 ft at 2:30AM Jul 01, 2015Observed: 3.84 ft at 2:45AM Jul 01, 2015Observed: 3.84 ft at 3:00AM Jul 01, 2015Observed: 3.83 ft at 3:15AM Jul 01, 2015Observed: 3.83 ft at 3:30AM Jul 01, 2015Observed: 3.83 ft at 3:45AM Jul 01, 2015Observed: 3.83 ft at 4:00AM Jul 01, 2015Observed: 3.83 ft at 4:15AM Jul 01, 2015Observed: 3.83 ft at 4:30AM Jul 01, 2015Observed: 3.83 ft at 4:45AM Jul 01, 2015Observed: 3.83 ft at 5:00AM Jul 01, 2015Observed: 3.83 ft at 5:15AM Jul 01, 2015Observed: 3.82 ft at 5:30AM Jul 01, 2015Observed: 3.82 ft at 5:45AM Jul 01, 2015Observed: 3.82 ft at 6:00AM Jul 01, 2015Observed: 3.82 ft at 6:15AM Jul 01, 2015Observed: 3.82 ft at 6:30AM Jul 01, 2015Observed: 3.82 ft at 6:45AM Jul 01, 2015Observed: 3.82 ft at 7:00AM Jul 01, 2015Observed: 3.82 ft at 7:15AM Jul 01, 2015Observed: 3.82 ft at 7:30AM Jul 01, 2015Observed: 3.82 ft at 7:31AM Jul 01, 2015USGS--Water Resources of the United StatesNBRM3(plotting HGIRG) Graph Created (8:46AM Jul 1, 2015)ObservedLatest observed value: 3.82 ft at 7:31 AM EDT 1-Jul-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 04/16/2007
(9) 10.50 ft on 12/12/2008
(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.
NWS Information
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Page last modified: 12-Feb-2015 9:36 PM
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