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Hydrograph River at a Glance Download
Blackstone River at Woonsocket Stage (ft)Flow (kcfs)Highest Observation: 1.49 ft at 11:30AM May 22, 2015Highest Observation: 1.49 ft at 11:45AM May 22, 2015Observed: 1.48 ft at 12:00PM May 22, 2015Highest Observation: 1.49 ft at 12:15PM May 22, 2015Observed: 1.48 ft at 12:30PM May 22, 2015Observed: 1.48 ft at 12:45PM May 22, 2015Observed: 1.48 ft at 1:00PM May 22, 2015Observed: 1.48 ft at 1:15PM May 22, 2015Observed: 1.48 ft at 1:30PM May 22, 2015Observed: 1.47 ft at 1:45PM May 22, 2015Observed: 1.44 ft at 2:00PM May 22, 2015Observed: 1.44 ft at 2:15PM May 22, 2015Observed: 1.45 ft at 2:30PM May 22, 2015Observed: 1.44 ft at 2:45PM May 22, 2015Observed: 1.45 ft at 3:00PM May 22, 2015Observed: 1.45 ft at 3:15PM May 22, 2015Observed: 1.45 ft at 3:30PM May 22, 2015Observed: 1.44 ft at 3:45PM May 22, 2015Observed: 1.45 ft at 4:00PM May 22, 2015Observed: 1.45 ft at 4:15PM May 22, 2015Observed: 1.46 ft at 4:30PM May 22, 2015Observed: 1.46 ft at 4:45PM May 22, 2015Observed: 1.46 ft at 5:00PM May 22, 2015Observed: 1.46 ft at 5:15PM May 22, 2015Observed: 1.46 ft at 5:30PM May 22, 2015Observed: 1.46 ft at 5:45PM May 22, 2015Observed: 1.46 ft at 6:00PM May 22, 2015Observed: 1.46 ft at 6:15PM May 22, 2015Observed: 1.45 ft at 6:30PM May 22, 2015Observed: 1.45 ft at 6:45PM May 22, 2015Observed: 1.45 ft at 7:00PM May 22, 2015Observed: 1.45 ft at 7:15PM May 22, 2015Observed: 1.44 ft at 7:30PM May 22, 2015Observed: 1.45 ft at 7:45PM May 22, 2015Observed: 1.45 ft at 8:00PM May 22, 2015Observed: 1.44 ft at 8:15PM May 22, 2015Observed: 1.44 ft at 8:30PM May 22, 2015Observed: 1.43 ft at 8:45PM May 22, 2015Observed: 1.43 ft at 9:00PM May 22, 2015Observed: 1.43 ft at 9:15PM May 22, 2015Observed: 1.43 ft at 9:30PM May 22, 2015Observed: 1.43 ft at 9:45PM May 22, 2015Observed: 1.43 ft at 10:00PM May 22, 2015Observed: 1.43 ft at 10:15PM May 22, 2015Observed: 1.42 ft at 10:30PM May 22, 2015Observed: 1.42 ft at 10:45PM May 22, 2015Observed: 1.42 ft at 11:00PM May 22, 2015Observed: 1.42 ft at 11:15PM May 22, 2015Observed: 1.42 ft at 11:30PM May 22, 2015Observed: 1.42 ft at 11:45PM May 22, 2015Observed: 1.42 ft at 12:00AM May 23, 2015Observed: 1.42 ft at 12:15AM May 23, 2015Observed: 1.42 ft at 12:30AM May 23, 2015Observed: 1.41 ft at 12:45AM May 23, 2015Observed: 1.41 ft at 1:00AM May 23, 2015Observed: 1.41 ft at 1:15AM May 23, 2015Observed: 1.41 ft at 1:30AM May 23, 2015Observed: 1.41 ft at 1:45AM May 23, 2015Observed: 1.41 ft at 2:00AM May 23, 2015Observed: 1.41 ft at 2:01AM May 23, 2015Observed: 1.41 ft at 2:15AM May 23, 2015Observed: 1.41 ft at 2:16AM May 23, 2015Observed: 1.41 ft at 2:30AM May 23, 2015Observed: 1.41 ft at 2:31AM May 23, 2015Observed: 1.41 ft at 2:45AM May 23, 2015Observed: 1.41 ft at 2:46AM May 23, 2015Observed: 1.41 ft at 3:00AM May 23, 2015Observed: 1.41 ft at 3:01AM May 23, 2015Observed: 1.41 ft at 3:15AM May 23, 2015Observed: 1.41 ft at 3:16AM May 23, 2015Observed: 1.41 ft at 3:30AM May 23, 2015Observed: 1.41 ft at 3:31AM May 23, 2015Observed: 1.41 ft at 3:45AM May 23, 2015Observed: 1.41 ft at 3:46AM May 23, 2015Observed: 1.41 ft at 4:00AM May 23, 2015Observed: 1.41 ft at 4:15AM May 23, 2015Observed: 1.41 ft at 4:30AM May 23, 2015Observed: 1.41 ft at 4:45AM May 23, 2015Observed: 1.41 ft at 5:00AM May 23, 2015Observed: 1.41 ft at 5:15AM May 23, 2015Observed: 1.41 ft at 5:30AM May 23, 2015Observed: 1.4 ft at 5:45AM May 23, 2015Observed: 1.4 ft at 6:00AM May 23, 2015Observed: 1.4 ft at 6:15AM May 23, 2015Observed: 1.4 ft at 6:30AM May 23, 2015Observed: 1.4 ft at 6:45AM May 23, 2015Observed: 1.4 ft at 7:00AM May 23, 2015Observed: 1.4 ft at 7:15AM May 23, 2015Observed: 1.4 ft at 7:30AM May 23, 2015Observed: 1.4 ft at 7:45AM May 23, 2015Observed: 1.4 ft at 8:00AM May 23, 2015Observed: 1.4 ft at 8:01AM May 23, 2015Observed: 1.4 ft at 8:15AM May 23, 2015Observed: 1.4 ft at 8:16AM May 23, 2015Observed: 1.4 ft at 8:30AM May 23, 2015Observed: 1.4 ft at 8:31AM May 23, 2015Observed: 1.39 ft at 8:45AM May 23, 2015Observed: 1.39 ft at 8:46AM May 23, 2015Observed: 1.39 ft at 9:00AM May 23, 2015Observed: 1.39 ft at 9:01AM May 23, 2015Observed: 1.39 ft at 9:15AM May 23, 2015Observed: 1.39 ft at 9:16AM May 23, 2015Observed: 1.39 ft at 9:30AM May 23, 2015Observed: 1.39 ft at 9:31AM May 23, 2015Observed: 1.39 ft at 9:45AM May 23, 2015Observed: 1.39 ft at 9:46AM May 23, 2015Observed: 1.37 ft at 10:00AM May 23, 2015Observed: 1.31 ft at 10:15AM May 23, 2015Observed: 1.25 ft at 10:30AM May 23, 2015Observed: 1.23 ft at 10:45AM May 23, 2015Observed: 1.23 ft at 11:00AM May 23, 2015Observed: 1.24 ft at 11:15AM May 23, 2015Observed: 1.24 ft at 11:30AM May 23, 2015Observed: 1.26 ft at 11:45AM May 23, 2015Observed: 1.28 ft at 12:00PM May 23, 2015Observed: 1.27 ft at 12:15PM May 23, 2015Observed: 1.27 ft at 12:30PM May 23, 2015Observed: 1.27 ft at 12:45PM May 23, 2015Observed: 1.28 ft at 1:00PM May 23, 2015Observed: 1.28 ft at 1:15PM May 23, 2015Observed: 1.29 ft at 1:30PM May 23, 2015Observed: 1.29 ft at 1:45PM May 23, 2015Observed: 1.3 ft at 2:00PM May 23, 2015Observed: 1.3 ft at 2:15PM May 23, 2015Observed: 1.3 ft at 2:30PM May 23, 2015Observed: 1.3 ft at 2:45PM May 23, 2015Observed: 1.3 ft at 3:00PM May 23, 2015Observed: 1.31 ft at 3:15PM May 23, 2015Observed: 1.31 ft at 3:30PM May 23, 2015Observed: 1.33 ft at 3:45PM May 23, 2015Observed: 1.37 ft at 4:00PM May 23, 2015Observed: 1.34 ft at 4:15PM May 23, 2015Observed: 1.34 ft at 4:30PM May 23, 2015Observed: 1.32 ft at 4:45PM May 23, 2015Observed: 1.31 ft at 5:00PM May 23, 2015Observed: 1.31 ft at 5:15PM May 23, 2015Observed: 1.31 ft at 5:30PM May 23, 2015Observed: 1.32 ft at 5:45PM May 23, 2015Observed: 1.32 ft at 6:00PM May 23, 2015Observed: 1.34 ft at 6:15PM May 23, 2015Observed: 1.34 ft at 6:30PM May 23, 2015Observed: 1.33 ft at 6:45PM May 23, 2015Observed: 1.32 ft at 7:00PM May 23, 2015Observed: 1.32 ft at 7:15PM May 23, 2015Observed: 1.32 ft at 7:30PM May 23, 2015Observed: 1.32 ft at 7:45PM May 23, 2015Observed: 1.33 ft at 8:00PM May 23, 2015Observed: 1.33 ft at 8:15PM May 23, 2015Observed: 1.33 ft at 8:16PM May 23, 2015Observed: 1.33 ft at 8:30PM May 23, 2015Observed: 1.33 ft at 8:31PM May 23, 2015Observed: 1.33 ft at 8:45PM May 23, 2015Observed: 1.33 ft at 8:46PM May 23, 2015Observed: 1.33 ft at 9:00PM May 23, 2015Observed: 1.33 ft at 9:01PM May 23, 2015Observed: 1.33 ft at 9:15PM May 23, 2015Observed: 1.33 ft at 9:16PM May 23, 2015Observed: 1.33 ft at 9:30PM May 23, 2015Observed: 1.33 ft at 9:31PM May 23, 2015Observed: 1.33 ft at 9:45PM May 23, 2015Observed: 1.33 ft at 9:46PM May 23, 2015Observed: 1.33 ft at 10:00PM May 23, 2015Observed: 1.33 ft at 10:01PM May 23, 2015Observed: 1.33 ft at 10:15PM May 23, 2015Observed: 1.34 ft at 10:30PM May 23, 2015Observed: 1.38 ft at 10:45PM May 23, 2015Observed: 1.39 ft at 11:00PM May 23, 2015Observed: 1.38 ft at 11:15PM May 23, 2015Observed: 1.38 ft at 11:30PM May 23, 2015Observed: 1.37 ft at 11:45PM May 23, 2015Observed: 1.37 ft at 12:00AM May 24, 2015Observed: 1.36 ft at 12:15AM May 24, 2015Observed: 1.36 ft at 12:30AM May 24, 2015Observed: 1.36 ft at 12:45AM May 24, 2015Observed: 1.35 ft at 1:00AM May 24, 2015Observed: 1.35 ft at 1:15AM May 24, 2015Observed: 1.34 ft at 1:30AM May 24, 2015Observed: 1.34 ft at 1:45AM May 24, 2015Observed: 1.34 ft at 2:00AM May 24, 2015Observed: 1.34 ft at 2:15AM May 24, 2015Observed: 1.34 ft at 2:30AM May 24, 2015Observed: 1.33 ft at 2:45AM May 24, 2015Observed: 1.33 ft at 3:00AM May 24, 2015Observed: 1.33 ft at 3:15AM May 24, 2015Observed: 1.33 ft at 3:30AM May 24, 2015Observed: 1.33 ft at 3:45AM May 24, 2015Observed: 1.33 ft at 4:00AM May 24, 2015Observed: 1.32 ft at 4:15AM May 24, 2015Observed: 1.32 ft at 4:30AM May 24, 2015Observed: 1.32 ft at 4:45AM May 24, 2015Observed: 1.32 ft at 5:00AM May 24, 2015Observed: 1.32 ft at 5:15AM May 24, 2015Observed: 1.32 ft at 5:30AM May 24, 2015Observed: 1.32 ft at 5:45AM May 24, 2015Observed: 1.32 ft at 6:00AM May 24, 2015Observed: 1.31 ft at 6:15AM May 24, 2015Observed: 1.31 ft at 6:30AM May 24, 2015Observed: 1.31 ft at 6:45AM May 24, 2015Observed: 1.31 ft at 7:00AM May 24, 2015Observed: 1.3 ft at 7:15AM May 24, 2015Observed: 1.3 ft at 7:30AM May 24, 2015Observed: 1.3 ft at 7:45AM May 24, 2015Observed: 1.29 ft at 8:00AM May 24, 2015Observed: 1.29 ft at 8:15AM May 24, 2015Observed: 1.29 ft at 8:16AM May 24, 2015Observed: 1.29 ft at 8:30AM May 24, 2015Observed: 1.29 ft at 8:31AM May 24, 2015Observed: 1.26 ft at 8:45AM May 24, 2015Observed: 1.26 ft at 8:46AM May 24, 2015Observed: 1.23 ft at 9:00AM May 24, 2015Observed: 1.23 ft at 9:01AM May 24, 2015Observed: 1.22 ft at 9:15AM May 24, 2015Observed: 1.22 ft at 9:16AM May 24, 2015Observed: 1.22 ft at 9:30AM May 24, 2015Observed: 1.22 ft at 9:31AM May 24, 2015Observed: 1.22 ft at 9:45AM May 24, 2015Observed: 1.22 ft at 9:46AM May 24, 2015Observed: 1.22 ft at 10:00AM May 24, 2015Observed: 1.22 ft at 10:01AM May 24, 2015Observed: 1.22 ft at 10:15AM May 24, 2015Observed: 1.22 ft at 10:30AM May 24, 2015Observed: 1.22 ft at 10:45AM May 24, 2015Observed: 1.23 ft at 11:00AM May 24, 2015Observed: 1.23 ft at 11:15AM May 24, 2015Observed: 1.23 ft at 11:30AM May 24, 2015Observed: 1.23 ft at 11:45AM May 24, 2015Observed: 1.23 ft at 12:00PM May 24, 2015Observed: 1.23 ft at 12:15PM May 24, 2015Observed: 1.23 ft at 12:30PM May 24, 2015Observed: 1.23 ft at 12:45PM May 24, 2015Observed: 1.23 ft at 1:00PM May 24, 2015Observed: 1.23 ft at 1:15PM May 24, 2015Observed: 1.23 ft at 1:30PM May 24, 2015Observed: 1.23 ft at 1:45PM May 24, 2015Observed: 1.23 ft at 2:00PM May 24, 2015Observed: 1.23 ft at 2:15PM May 24, 2015Observed: 1.23 ft at 2:30PM May 24, 2015Observed: 1.23 ft at 2:45PM May 24, 2015Observed: 1.23 ft at 3:00PM May 24, 2015Observed: 1.22 ft at 3:15PM May 24, 2015Observed: 1.22 ft at 3:30PM May 24, 2015Observed: 1.21 ft at 3:45PM May 24, 2015Observed: 1.12 ft at 4:00PM May 24, 2015Observed: 0.86 ft at 4:15PM May 24, 2015Observed: 0.6 ft at 4:30PM May 24, 2015Observed: 0.41 ft at 4:45PM May 24, 2015Observed: 0.36 ft at 5:00PM May 24, 2015Observed: 0.42 ft at 5:15PM May 24, 2015Observed: 0.55 ft at 5:30PM May 24, 2015Observed: 0.69 ft at 5:45PM May 24, 2015Observed: 0.77 ft at 6:00PM May 24, 2015Observed: 0.84 ft at 6:15PM May 24, 2015Observed: 0.89 ft at 6:30PM May 24, 2015Observed: 0.93 ft at 6:45PM May 24, 2015Observed: 0.96 ft at 7:00PM May 24, 2015Observed: 1 ft at 7:15PM May 24, 2015Observed: 1.03 ft at 7:30PM May 24, 2015Observed: 1.06 ft at 7:45PM May 24, 2015Observed: 1.09 ft at 8:00PM May 24, 2015Observed: 1.12 ft at 8:15PM May 24, 2015Observed: 1.14 ft at 8:30PM May 24, 2015Observed: 1.16 ft at 8:45PM May 24, 2015Observed: 1.17 ft at 9:00PM May 24, 2015Observed: 1.19 ft at 9:15PM May 24, 2015Observed: 1.21 ft at 9:30PM May 24, 2015Observed: 1.23 ft at 9:45PM May 24, 2015Observed: 1.24 ft at 10:00PM May 24, 2015Observed: 1.25 ft at 10:15PM May 24, 2015Observed: 1.26 ft at 10:30PM May 24, 2015Observed: 1.26 ft at 10:45PM May 24, 2015Observed: 1.27 ft at 11:00PM May 24, 2015Observed: 1.28 ft at 11:15PM May 24, 2015Observed: 1.28 ft at 11:30PM May 24, 2015Observed: 1.28 ft at 11:45PM May 24, 2015Observed: 1.29 ft at 12:00AM May 25, 2015Observed: 1.29 ft at 12:15AM May 25, 2015Observed: 1.29 ft at 12:30AM May 25, 2015Observed: 1.29 ft at 12:45AM May 25, 2015Observed: 1.29 ft at 1:00AM May 25, 2015Observed: 1.29 ft at 1:15AM May 25, 2015Observed: 1.29 ft at 1:30AM May 25, 2015Observed: 1.29 ft at 1:45AM May 25, 2015Observed: 1.29 ft at 2:00AM May 25, 2015Observed: 1.29 ft at 2:15AM May 25, 2015Observed: 1.29 ft at 2:16AM May 25, 2015Observed: 1.29 ft at 2:30AM May 25, 2015Observed: 1.29 ft at 2:31AM May 25, 2015Observed: 1.29 ft at 2:45AM May 25, 2015Observed: 1.29 ft at 2:46AM May 25, 2015Observed: 1.28 ft at 3:00AM May 25, 2015Observed: 1.28 ft at 3:01AM May 25, 2015Observed: 1.28 ft at 3:15AM May 25, 2015Observed: 1.28 ft at 3:16AM May 25, 2015Observed: 1.28 ft at 3:30AM May 25, 2015Observed: 1.28 ft at 3:31AM May 25, 2015Observed: 1.28 ft at 3:45AM May 25, 2015Observed: 1.28 ft at 3:46AM May 25, 2015Observed: 1.27 ft at 4:00AM May 25, 2015Observed: 1.27 ft at 4:01AM May 25, 2015Observed: 1.27 ft at 4:15AM May 25, 2015Observed: 1.26 ft at 4:30AM May 25, 2015Observed: 1.26 ft at 4:45AM May 25, 2015Observed: 1.25 ft at 5:00AM May 25, 2015Observed: 1.25 ft at 5:15AM May 25, 2015Observed: 1.24 ft at 5:30AM May 25, 2015Observed: 1.23 ft at 5:45AM May 25, 2015Observed: 1.23 ft at 6:00AM May 25, 2015Observed: 1.22 ft at 6:15AM May 25, 2015Observed: 1.22 ft at 6:30AM May 25, 2015Observed: 1.21 ft at 6:45AM May 25, 2015Observed: 1.2 ft at 7:00AM May 25, 2015Observed: 1.2 ft at 7:15AM May 25, 2015Observed: 1.19 ft at 7:30AM May 25, 2015Observed: 1.18 ft at 7:45AM May 25, 2015Observed: 1.18 ft at 8:00AM May 25, 2015Observed: 1.17 ft at 8:15AM May 25, 2015Observed: 1.17 ft at 8:16AM May 25, 2015Observed: 1.17 ft at 8:30AM May 25, 2015Observed: 1.17 ft at 8:31AM May 25, 2015Observed: 1.17 ft at 8:45AM May 25, 2015Observed: 1.17 ft at 8:46AM May 25, 2015Observed: 1.15 ft at 9:00AM May 25, 2015Observed: 1.15 ft at 9:01AM May 25, 2015Observed: 1.17 ft at 9:15AM May 25, 2015Observed: 1.17 ft at 9:16AM May 25, 2015Observed: 1.16 ft at 9:30AM May 25, 2015Observed: 1.16 ft at 9:31AM May 25, 2015Observed: 1.14 ft at 9:45AM May 25, 2015Observed: 1.14 ft at 9:46AM May 25, 2015Observed: 1.13 ft at 10:00AM May 25, 2015Observed: 1.13 ft at 10:01AM May 25, 2015Observed: 1.13 ft at 10:15AM May 25, 2015Observed: 1.13 ft at 10:30AM May 25, 2015Highest Forecast: 1.3 ft 2:00PM May 25, 2015Highest Forecast: 1.3 ft 8:00PM May 25, 2015Highest Forecast: 1.3 ft 2:00AM May 26, 2015Forecast: 1.2 ft 8:00AM May 26, 2015Forecast: 1.2 ft 2:00PM May 26, 2015Forecast: 1.2 ft 8:00PM May 26, 2015Forecast: 1.2 ft 2:00AM May 27, 2015Forecast: 1.2 ft 8:00AM May 27, 2015USGS--Water Resources of the United StatesWOOR1(plotting HGIRG) Graph Created (11:16AM May 25, 2015)ObservedForecast (issued 11:28AM May 24)Latest observed value: 1.13 ft at 10:30 AM EDT 25-May-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: Forecasts for the Blackstone River at Woonsocket are issued routinely year-round.
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Upstream Gauge - at Northbridge Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 12
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): 0

Historic Crests
(1) 21.80 ft on 08/19/1955
(2) 15.34 ft on 10/16/2005
(3) 15.09 ft on 01/25/1979
(4) 14.64 ft on 03/19/1968
(5) 14.50 ft on 03/31/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.41 ft on 03/31/2014
(2) 9.00 ft on 09/09/2011
(3) 9.01 ft on 08/29/2011
(4) 10.29 ft on 03/08/2011
(5) 14.50 ft on 03/31/2010
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:14
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
18 Flooding along the Blackstone River is forecast to be the worst flooding since the flooding associated with Connie and Diane in 1955. Follow the instructions of local officials and evacuate if asked to do so. Obey posted road closures. Do not go sightseeing. River banks can suddenly erode due to swift river flows.
16 At this stage, flooding will be comparable to, or worse than, the floods of october 2005. Flooding of homes and businesses is expected outside of flood protection levees and walls. Some river roads will become impassable from Woonsocket through Central Falls. Floodwaters encroach near the floorboards of the first level of the River Island Condominiums in Woonoscket. Follow the advice of local officials and evacuate if asked to do so.
14 Flooding is likely in lower lying sections of Woonsocket and Cumberland. Deep floodwaters are expected in the lower level of the River Island Condominiums in Woonsocket. Several buisnesses along the river will have several feet of water into their parking areas. Action will be needed to clear vehicles from these areas.
12 Flooding is likely in lower lying sections of Woonsocket and Cumberland. Significant flooding occurs within the lower level of the River Island Condominiums in Woonsocket. Several buisnesses along the river will have several feet of water into their parking areas. Action will be needed to clear vehicles from these areas.
11 Floodwaters are inside the lower level of the River Island Condominiums in Woonsocket. Flooding spreads across most of the lower parking area of the Albion Mill Apartments. Flooding is also expected to overspread lowest lying sections of Lonsdale in Cumberland.
10 Flooding is likely along low lying areas of the river. This includes the lower level of the River Island Condominiums in Woonsocket, and lower end of the Albion Mills Apartments parking area. Flood waters may also cover portions of the parking areas of some of the mills and shopping outlets in Cumberland located just off of Route 122.
9 Flooding may begin to affect the lower parking area to the Albion Mill Apartments. Lower lying residential areas along the Rhode Island and Massachusetts line, including the lower level of the River Island Condominiums in Woonsocket, may begin to experience flooding. Businesses along the river should take the necessary actions to protect property.
8.5 If unprotected, floodwaters reach the very base of the lower level of the River Island Condominium Building in Woonsocket.
About This Location Collapse

Latitude: 42.006111° N, Longitude: 71.503611° 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 29 107.42 116.42 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 9:34 PM
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