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Hydrograph River at a Glance Download
Blackstone River at Northbridge Stage (ft)Flow (kcfs)Observed: 3.12 ft at 4:01AM Sep 24, 2020Observed: 3.12 ft at 4:15AM Sep 24, 2020Observed: 3.12 ft at 4:30AM Sep 24, 2020Observed: 3.12 ft at 4:45AM Sep 24, 2020Observed: 3.12 ft at 5:00AM Sep 24, 2020Observed: 3.12 ft at 5:15AM Sep 24, 2020Observed: 3.12 ft at 5:30AM Sep 24, 2020Observed: 3.12 ft at 5:45AM Sep 24, 2020Observed: 3.12 ft at 6:00AM Sep 24, 2020Observed: 3.12 ft at 6:15AM Sep 24, 2020Observed: 3.12 ft at 6:30AM Sep 24, 2020Observed: 3.12 ft at 6:45AM Sep 24, 2020Observed: 3.12 ft at 7:00AM Sep 24, 2020Observed: 3.12 ft at 7:15AM Sep 24, 2020Observed: 3.12 ft at 7:30AM Sep 24, 2020Observed: 3.12 ft at 7:45AM Sep 24, 2020Observed: 3.12 ft at 8:00AM Sep 24, 2020Observed: 3.12 ft at 8:15AM Sep 24, 2020Observed: 3.12 ft at 8:30AM Sep 24, 2020Observed: 3.12 ft at 8:45AM Sep 24, 2020Observed: 3.12 ft at 9:00AM Sep 24, 2020Observed: 3.12 ft at 9:15AM Sep 24, 2020Observed: 3.12 ft at 9:30AM Sep 24, 2020Observed: 3.12 ft at 9:45AM Sep 24, 2020Observed: 3.12 ft at 10:00AM Sep 24, 2020Observed: 3.12 ft at 10:01AM Sep 24, 2020Observed: 3.12 ft at 10:15AM Sep 24, 2020Observed: 3.11 ft at 10:30AM Sep 24, 2020Observed: 3.11 ft at 10:45AM Sep 24, 2020Observed: 3.11 ft at 11:00AM Sep 24, 2020Observed: 3.11 ft at 11:15AM Sep 24, 2020Observed: 3.11 ft at 11:30AM Sep 24, 2020Observed: 3.11 ft at 11:45AM Sep 24, 2020Observed: 3.11 ft at 12:00PM Sep 24, 2020Observed: 3.11 ft at 12:15PM Sep 24, 2020Observed: 3.11 ft at 12:30PM Sep 24, 2020Observed: 3.11 ft at 12:45PM Sep 24, 2020Observed: 3.11 ft at 1:00PM Sep 24, 2020Observed: 3.1 ft at 1:15PM Sep 24, 2020Observed: 3.1 ft at 1:30PM Sep 24, 2020Observed: 3.1 ft at 1:45PM Sep 24, 2020Observed: 3.1 ft at 2:00PM Sep 24, 2020Observed: 3.09 ft at 2:15PM Sep 24, 2020Observed: 3.09 ft at 2:30PM Sep 24, 2020Observed: 3.09 ft at 2:45PM Sep 24, 2020Observed: 3.09 ft at 3:00PM Sep 24, 2020Observed: 3.09 ft at 3:15PM Sep 24, 2020Observed: 3.09 ft at 3:30PM Sep 24, 2020Observed: 3.08 ft at 3:45PM Sep 24, 2020Observed: 3.08 ft at 4:00PM Sep 24, 2020Observed: 3.08 ft at 4:15PM Sep 24, 2020Observed: 3.08 ft at 4:30PM Sep 24, 2020Observed: 3.08 ft at 4:45PM Sep 24, 2020Observed: 3.08 ft at 5:00PM Sep 24, 2020Observed: 3.07 ft at 5:15PM Sep 24, 2020Observed: 3.07 ft at 5:30PM Sep 24, 2020Observed: 3.07 ft at 5:45PM Sep 24, 2020Observed: 3.07 ft at 6:00PM Sep 24, 2020Observed: 3.07 ft at 6:15PM Sep 24, 2020Observed: 3.07 ft at 6:30PM Sep 24, 2020Observed: 3.07 ft at 6:45PM Sep 24, 2020Observed: 3.07 ft at 7:00PM Sep 24, 2020Observed: 3.08 ft at 7:15PM Sep 24, 2020Observed: 3.08 ft at 7:30PM Sep 24, 2020Observed: 3.08 ft at 7:45PM Sep 24, 2020Observed: 3.08 ft at 8:00PM Sep 24, 2020Observed: 3.08 ft at 8:15PM Sep 24, 2020Observed: 3.09 ft at 8:30PM Sep 24, 2020Observed: 3.09 ft at 8:45PM Sep 24, 2020Observed: 3.09 ft at 9:00PM Sep 24, 2020Observed: 3.09 ft at 9:15PM Sep 24, 2020Observed: 3.1 ft at 9:30PM Sep 24, 2020Observed: 3.1 ft at 9:45PM Sep 24, 2020Observed: 3.1 ft at 10:00PM Sep 24, 2020Observed: 3.1 ft at 10:01PM Sep 24, 2020Observed: 3.1 ft at 10:15PM Sep 24, 2020Observed: 3.11 ft at 10:30PM Sep 24, 2020Observed: 3.11 ft at 10:45PM Sep 24, 2020Observed: 3.11 ft at 11:00PM Sep 24, 2020Observed: 3.11 ft at 11:15PM Sep 24, 2020Observed: 3.11 ft at 11:30PM Sep 24, 2020Observed: 3.12 ft at 11:45PM Sep 24, 2020Observed: 3.12 ft at 12:00AM Sep 25, 2020Observed: 3.12 ft at 12:15AM Sep 25, 2020Observed: 3.12 ft at 12:30AM Sep 25, 2020Observed: 3.12 ft at 12:45AM Sep 25, 2020Observed: 3.12 ft at 1:00AM Sep 25, 2020Observed: 3.13 ft at 1:15AM Sep 25, 2020Observed: 3.13 ft at 1:30AM Sep 25, 2020Observed: 3.13 ft at 1:45AM Sep 25, 2020Observed: 3.13 ft at 2:00AM Sep 25, 2020Observed: 3.13 ft at 2:15AM Sep 25, 2020Observed: 3.13 ft at 2:30AM Sep 25, 2020Observed: 3.13 ft at 2:45AM Sep 25, 2020Observed: 3.13 ft at 3:00AM Sep 25, 2020Observed: 3.13 ft at 3:15AM Sep 25, 2020Observed: 3.13 ft at 3:30AM Sep 25, 2020Observed: 3.13 ft at 3:45AM Sep 25, 2020Observed: 3.13 ft at 4:00AM Sep 25, 2020Observed: 3.13 ft at 4:15AM Sep 25, 2020Observed: 3.13 ft at 4:30AM Sep 25, 2020Highest Observation: 3.14 ft at 4:45AM Sep 25, 2020Highest Observation: 3.14 ft at 5:00AM Sep 25, 2020Highest Observation: 3.14 ft at 5:15AM Sep 25, 2020Highest Observation: 3.14 ft at 5:30AM Sep 25, 2020Highest Observation: 3.14 ft at 5:45AM Sep 25, 2020Highest Observation: 3.14 ft at 6:00AM Sep 25, 2020Highest Observation: 3.14 ft at 6:15AM Sep 25, 2020Highest Observation: 3.14 ft at 6:30AM Sep 25, 2020Highest Observation: 3.14 ft at 6:45AM Sep 25, 2020Highest Observation: 3.14 ft at 7:00AM Sep 25, 2020Highest Observation: 3.14 ft at 7:15AM Sep 25, 2020Highest Observation: 3.14 ft at 7:30AM Sep 25, 2020Highest Observation: 3.14 ft at 7:45AM Sep 25, 2020Highest Observation: 3.14 ft at 8:00AM Sep 25, 2020Highest Observation: 3.14 ft at 8:15AM Sep 25, 2020Highest Observation: 3.14 ft at 8:30AM Sep 25, 2020Highest Observation: 3.14 ft at 8:45AM Sep 25, 2020Highest Observation: 3.14 ft at 9:00AM Sep 25, 2020Highest Observation: 3.14 ft at 9:15AM Sep 25, 2020Observed: 3.13 ft at 9:30AM Sep 25, 2020Highest Observation: 3.14 ft at 9:45AM Sep 25, 2020Observed: 3.13 ft at 10:00AM Sep 25, 2020Observed: 3.13 ft at 10:01AM Sep 25, 2020Observed: 3.13 ft at 10:15AM Sep 25, 2020Observed: 3.13 ft at 10:30AM Sep 25, 2020Observed: 3.13 ft at 10:45AM Sep 25, 2020Observed: 3.13 ft at 11:00AM Sep 25, 2020Observed: 3.13 ft at 11:15AM Sep 25, 2020Observed: 3.13 ft at 11:30AM Sep 25, 2020Observed: 3.13 ft at 11:45AM Sep 25, 2020Observed: 3.13 ft at 12:00PM Sep 25, 2020Observed: 3.13 ft at 12:15PM Sep 25, 2020Observed: 3.13 ft at 12:30PM Sep 25, 2020Observed: 3.13 ft at 12:45PM Sep 25, 2020Observed: 3.12 ft at 1:00PM Sep 25, 2020Observed: 3.12 ft at 1:15PM Sep 25, 2020Observed: 3.12 ft at 1:30PM Sep 25, 2020Observed: 3.12 ft at 1:45PM Sep 25, 2020Observed: 3.12 ft at 2:00PM Sep 25, 2020Observed: 3.12 ft at 2:15PM Sep 25, 2020Observed: 3.11 ft at 2:30PM Sep 25, 2020Observed: 3.11 ft at 2:45PM Sep 25, 2020Observed: 3.11 ft at 3:00PM Sep 25, 2020Observed: 3.11 ft at 3:15PM Sep 25, 2020Observed: 3.11 ft at 3:30PM Sep 25, 2020Observed: 3.11 ft at 3:45PM Sep 25, 2020Observed: 3.11 ft at 4:00PM Sep 25, 2020Observed: 3.11 ft at 4:15PM Sep 25, 2020Observed: 3.11 ft at 4:16PM Sep 25, 2020Observed: 3.1 ft at 4:30PM Sep 25, 2020Observed: 3.1 ft at 4:45PM Sep 25, 2020Observed: 3.1 ft at 5:00PM Sep 25, 2020Observed: 3.1 ft at 5:15PM Sep 25, 2020Observed: 3.1 ft at 5:30PM Sep 25, 2020Observed: 3.1 ft at 5:45PM Sep 25, 2020Observed: 3.1 ft at 6:00PM Sep 25, 2020Observed: 3.09 ft at 6:15PM Sep 25, 2020Observed: 3.09 ft at 6:30PM Sep 25, 2020Observed: 3.09 ft at 6:45PM Sep 25, 2020Observed: 3.09 ft at 7:00PM Sep 25, 2020Observed: 3.09 ft at 7:15PM Sep 25, 2020Observed: 3.09 ft at 7:30PM Sep 25, 2020Observed: 3.1 ft at 7:45PM Sep 25, 2020Observed: 3.1 ft at 8:00PM Sep 25, 2020Observed: 3.1 ft at 8:15PM Sep 25, 2020Observed: 3.1 ft at 8:30PM Sep 25, 2020Observed: 3.1 ft at 8:45PM Sep 25, 2020Observed: 3.1 ft at 9:00PM Sep 25, 2020Observed: 3.1 ft at 9:15PM Sep 25, 2020Observed: 3.1 ft at 9:30PM Sep 25, 2020Observed: 3.1 ft at 9:45PM Sep 25, 2020Observed: 3.1 ft at 10:00PM Sep 25, 2020Observed: 3.11 ft at 10:15PM Sep 25, 2020Observed: 3.11 ft at 10:16PM Sep 25, 2020Observed: 3.11 ft at 10:30PM Sep 25, 2020Observed: 3.11 ft at 10:45PM Sep 25, 2020Observed: 3.11 ft at 11:00PM Sep 25, 2020Observed: 3.11 ft at 11:15PM Sep 25, 2020Observed: 3.11 ft at 11:30PM Sep 25, 2020Observed: 3.11 ft at 11:45PM Sep 25, 2020Observed: 3.11 ft at 12:00AM Sep 26, 2020Observed: 3.11 ft at 12:15AM Sep 26, 2020Observed: 3.12 ft at 12:30AM Sep 26, 2020Observed: 3.12 ft at 12:45AM Sep 26, 2020Observed: 3.12 ft at 1:00AM Sep 26, 2020Observed: 3.12 ft at 1:15AM Sep 26, 2020Observed: 3.12 ft at 1:30AM Sep 26, 2020Observed: 3.12 ft at 1:45AM Sep 26, 2020Observed: 3.12 ft at 2:00AM Sep 26, 2020Observed: 3.12 ft at 2:15AM Sep 26, 2020Observed: 3.12 ft at 2:30AM Sep 26, 2020Observed: 3.12 ft at 2:45AM Sep 26, 2020Observed: 3.12 ft at 3:00AM Sep 26, 2020Observed: 3.12 ft at 3:15AM Sep 26, 2020Observed: 3.13 ft at 3:30AM Sep 26, 2020Observed: 3.13 ft at 3:45AM Sep 26, 2020Observed: 3.13 ft at 4:00AM Sep 26, 2020Observed: 3.13 ft at 4:15AM Sep 26, 2020Observed: 3.13 ft at 4:16AM Sep 26, 2020Observed: 3.13 ft at 4:30AM Sep 26, 2020Observed: 3.13 ft at 4:45AM Sep 26, 2020Observed: 3.13 ft at 5:00AM Sep 26, 2020Observed: 3.13 ft at 5:15AM Sep 26, 2020Observed: 3.13 ft at 5:30AM Sep 26, 2020Observed: 3.13 ft at 5:45AM Sep 26, 2020Observed: 3.13 ft at 6:00AM Sep 26, 2020Observed: 3.13 ft at 6:15AM Sep 26, 2020Observed: 3.13 ft at 6:30AM Sep 26, 2020Observed: 3.13 ft at 6:45AM Sep 26, 2020Observed: 3.13 ft at 7:00AM Sep 26, 2020Observed: 3.13 ft at 7:15AM Sep 26, 2020Observed: 3.13 ft at 7:30AM Sep 26, 2020Observed: 3.13 ft at 7:45AM Sep 26, 2020Observed: 3.12 ft at 8:00AM Sep 26, 2020Observed: 3.12 ft at 8:15AM Sep 26, 2020Observed: 3.12 ft at 8:30AM Sep 26, 2020Observed: 3.12 ft at 8:45AM Sep 26, 2020Observed: 3.12 ft at 9:00AM Sep 26, 2020Observed: 3.12 ft at 9:15AM Sep 26, 2020Observed: 3.12 ft at 9:30AM Sep 26, 2020Observed: 3.12 ft at 9:45AM Sep 26, 2020Observed: 3.12 ft at 10:00AM Sep 26, 2020Observed: 3.11 ft at 10:15AM Sep 26, 2020Observed: 3.11 ft at 10:16AM Sep 26, 2020Observed: 3.11 ft at 10:30AM Sep 26, 2020Observed: 3.11 ft at 10:45AM Sep 26, 2020Observed: 3.11 ft at 11:00AM Sep 26, 2020Observed: 3.11 ft at 11:15AM Sep 26, 2020Observed: 3.11 ft at 11:30AM Sep 26, 2020Observed: 3.11 ft at 11:45AM Sep 26, 2020Observed: 3.1 ft at 12:00PM Sep 26, 2020Observed: 3.1 ft at 12:15PM Sep 26, 2020Observed: 3.1 ft at 12:30PM Sep 26, 2020Observed: 3.1 ft at 12:45PM Sep 26, 2020Observed: 3.09 ft at 1:00PM Sep 26, 2020Observed: 3.09 ft at 1:15PM Sep 26, 2020Observed: 3.09 ft at 1:30PM Sep 26, 2020Observed: 3.09 ft at 1:45PM Sep 26, 2020Observed: 3.08 ft at 2:00PM Sep 26, 2020Observed: 3.08 ft at 2:15PM Sep 26, 2020Observed: 3.08 ft at 2:30PM Sep 26, 2020Observed: 3.07 ft at 2:45PM Sep 26, 2020Observed: 3.07 ft at 3:00PM Sep 26, 2020Observed: 3.07 ft at 3:15PM Sep 26, 2020Observed: 3.06 ft at 3:30PM Sep 26, 2020Observed: 3.06 ft at 3:45PM Sep 26, 2020Observed: 3.05 ft at 4:00PM Sep 26, 2020Observed: 3.05 ft at 4:15PM Sep 26, 2020Observed: 3.05 ft at 4:16PM Sep 26, 2020Observed: 3.05 ft at 4:30PM Sep 26, 2020Observed: 3.04 ft at 4:45PM Sep 26, 2020Observed: 3.04 ft at 5:00PM Sep 26, 2020Observed: 3.04 ft at 5:15PM Sep 26, 2020Observed: 3.04 ft at 5:30PM Sep 26, 2020Observed: 3.03 ft at 5:45PM Sep 26, 2020Observed: 3.03 ft at 6:00PM Sep 26, 2020Observed: 3.02 ft at 6:15PM Sep 26, 2020Observed: 3.02 ft at 6:30PM Sep 26, 2020Observed: 3.01 ft at 6:45PM Sep 26, 2020Observed: 3.01 ft at 7:00PM Sep 26, 2020Observed: 3.01 ft at 7:15PM Sep 26, 2020Observed: 3 ft at 7:30PM Sep 26, 2020Observed: 3 ft at 7:45PM Sep 26, 2020Observed: 3 ft at 8:00PM Sep 26, 2020Observed: 3 ft at 8:15PM Sep 26, 2020Observed: 2.99 ft at 8:30PM Sep 26, 2020Observed: 2.99 ft at 8:45PM Sep 26, 2020Observed: 2.99 ft at 9:00PM Sep 26, 2020Observed: 2.99 ft at 9:15PM Sep 26, 2020Observed: 2.99 ft at 9:30PM Sep 26, 2020Observed: 2.99 ft at 9:45PM Sep 26, 2020Observed: 2.99 ft at 10:00PM Sep 26, 2020Observed: 2.99 ft at 10:15PM Sep 26, 2020Observed: 2.99 ft at 10:16PM Sep 26, 2020Observed: 2.99 ft at 10:30PM Sep 26, 2020Observed: 2.99 ft at 10:45PM Sep 26, 2020Observed: 2.99 ft at 11:00PM Sep 26, 2020Observed: 3 ft at 11:15PM Sep 26, 2020Observed: 3 ft at 11:30PM Sep 26, 2020Observed: 3 ft at 11:45PM Sep 26, 2020Observed: 3 ft at 12:00AM Sep 27, 2020Observed: 3 ft at 12:15AM Sep 27, 2020Observed: 3 ft at 12:30AM Sep 27, 2020Observed: 3.01 ft at 12:45AM Sep 27, 2020Observed: 3.01 ft at 1:00AM Sep 27, 2020Observed: 3.01 ft at 1:15AM Sep 27, 2020Observed: 3.01 ft at 1:30AM Sep 27, 2020Observed: 3.02 ft at 1:45AM Sep 27, 2020Observed: 3.02 ft at 2:00AM Sep 27, 2020Observed: 3.02 ft at 2:15AM Sep 27, 2020Observed: 3.02 ft at 2:30AM Sep 27, 2020Observed: 3.03 ft at 2:45AM Sep 27, 2020Observed: 3.03 ft at 3:00AM Sep 27, 2020Observed: 3.03 ft at 3:15AM Sep 27, 2020Observed: 3.03 ft at 3:30AM Sep 27, 2020USGS--Water Resources of the United StatesNBRM3(plotting HGIRG) Graph Created (4:00AM Sep 27, 2020)ObservedLatest observed value: 3.03 ft at 3:30 AM EDT 27-Sep-2020. 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: 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): -9999

Historic Crests
(1) 16.74 ft on 08/20/1955
(2) 13.70 ft on 03/19/1936
(3) 13.65 ft on 10/15/2005
(4) 12.48 ft on 01/25/1979
(5) 11.36 ft on 09/12/1954
(6) 10.90 ft on 03/19/1968
(7) 10.70 ft on 03/10/1998
(8) 10.69 ft on 03/31/2010
(9) 10.54 ft on 09/08/2011
(10) 10.50 ft on 12/12/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.11 ft on 01/25/2019
(2) 9.24 ft on 10/30/2017
(3) 10.54 ft on 09/08/2011
(4) 10.36 ft on 08/29/2011
(5) 9.32 ft on 03/07/2011
(6) 10.69 ft on 03/31/2010
(7) 9.40 ft on 02/26/2010
(8) 10.50 ft on 12/12/2008
(9) 9.13 ft on 09/07/2008
(10) 9.24 ft on 03/09/2008
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: 42.153707° 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:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
National Weather Service
Boston / Norton Weather Forecast Office
46 Commerce Way
Norton, MA 02766
(508) 622-3250
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Page last modified: 1-Mar-2019 12:35 AM
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