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Hydrograph River at a Glance Download
Willimantic River at Coventry Stage (ft)Flow (kcfs)Highest Observation: 3.09 ft at 10:45PM Jul 04, 2015Highest Observation: 3.09 ft at 11:00PM Jul 04, 2015Observed: 3.08 ft at 11:15PM Jul 04, 2015Observed: 3.08 ft at 11:30PM Jul 04, 2015Observed: 3.08 ft at 11:45PM Jul 04, 2015Observed: 3.08 ft at 12:00AM Jul 05, 2015Observed: 3.08 ft at 12:15AM Jul 05, 2015Observed: 3.08 ft at 12:30AM Jul 05, 2015Observed: 3.08 ft at 12:45AM Jul 05, 2015Observed: 3.08 ft at 1:00AM Jul 05, 2015Observed: 3.08 ft at 1:15AM Jul 05, 2015Observed: 3.08 ft at 1:30AM Jul 05, 2015Observed: 3.08 ft at 1:45AM Jul 05, 2015Observed: 3.08 ft at 2:00AM Jul 05, 2015Observed: 3.08 ft at 2:15AM Jul 05, 2015Observed: 3.08 ft at 2:30AM Jul 05, 2015Observed: 3.08 ft at 2:45AM Jul 05, 2015Observed: 3.08 ft at 3:00AM Jul 05, 2015Observed: 3.08 ft at 3:15AM Jul 05, 2015Observed: 3.08 ft at 3:30AM Jul 05, 2015Observed: 3.08 ft at 3:45AM Jul 05, 2015Observed: 3.08 ft at 4:00AM Jul 05, 2015Observed: 3.08 ft at 4:15AM Jul 05, 2015Observed: 3.08 ft at 4:30AM Jul 05, 2015Observed: 3.08 ft at 4:45AM Jul 05, 2015Observed: 3.08 ft at 5:00AM Jul 05, 2015Observed: 3.08 ft at 5:15AM Jul 05, 2015Observed: 3.08 ft at 5:30AM Jul 05, 2015Observed: 3.08 ft at 5:45AM Jul 05, 2015Observed: 3.07 ft at 6:00AM Jul 05, 2015Observed: 3.07 ft at 6:15AM Jul 05, 2015Observed: 3.07 ft at 6:30AM Jul 05, 2015Observed: 3.07 ft at 6:45AM Jul 05, 2015Observed: 3.07 ft at 7:00AM Jul 05, 2015Observed: 3.07 ft at 7:15AM Jul 05, 2015Observed: 3.07 ft at 7:30AM Jul 05, 2015Observed: 3.07 ft at 7:45AM Jul 05, 2015Observed: 3.07 ft at 8:00AM Jul 05, 2015Observed: 3.07 ft at 8:15AM Jul 05, 2015Observed: 3.07 ft at 8:30AM Jul 05, 2015Observed: 3.07 ft at 8:31AM Jul 05, 2015Observed: 3.07 ft at 8:45AM Jul 05, 2015Observed: 3.07 ft at 9:00AM Jul 05, 2015Observed: 3.07 ft at 9:15AM Jul 05, 2015Observed: 3.07 ft at 9:30AM Jul 05, 2015Observed: 3.07 ft at 9:45AM Jul 05, 2015Observed: 3.07 ft at 10:00AM Jul 05, 2015Observed: 3.07 ft at 10:15AM Jul 05, 2015Observed: 3.07 ft at 10:30AM Jul 05, 2015Observed: 3.08 ft at 10:45AM Jul 05, 2015Observed: 3.08 ft at 11:00AM Jul 05, 2015Observed: 3.08 ft at 11:15AM Jul 05, 2015Observed: 3.08 ft at 11:30AM Jul 05, 2015Observed: 3.08 ft at 11:45AM Jul 05, 2015Observed: 3.08 ft at 12:00PM Jul 05, 2015Observed: 3.08 ft at 12:15PM Jul 05, 2015Observed: 3.08 ft at 12:30PM Jul 05, 2015Observed: 3.08 ft at 12:45PM Jul 05, 2015Observed: 3.08 ft at 1:00PM Jul 05, 2015Observed: 3.08 ft at 1:15PM Jul 05, 2015Observed: 3.08 ft at 1:30PM Jul 05, 2015Observed: 3.08 ft at 1:45PM Jul 05, 2015Observed: 3.07 ft at 2:00PM Jul 05, 2015Observed: 3.07 ft at 2:15PM Jul 05, 2015Observed: 3.07 ft at 2:30PM Jul 05, 2015Observed: 3.07 ft at 2:45PM Jul 05, 2015Observed: 3.07 ft at 3:00PM Jul 05, 2015Observed: 3.07 ft at 3:15PM Jul 05, 2015Observed: 3.07 ft at 3:30PM Jul 05, 2015Observed: 3.07 ft at 3:45PM Jul 05, 2015Observed: 3.06 ft at 4:00PM Jul 05, 2015Observed: 3.06 ft at 4:15PM Jul 05, 2015Observed: 3.06 ft at 4:30PM Jul 05, 2015Observed: 3.06 ft at 4:45PM Jul 05, 2015Observed: 3.06 ft at 5:00PM Jul 05, 2015Observed: 3.06 ft at 5:15PM Jul 05, 2015Observed: 3.06 ft at 5:30PM Jul 05, 2015Observed: 3.06 ft at 5:45PM Jul 05, 2015Observed: 3.06 ft at 6:00PM Jul 05, 2015Observed: 3.05 ft at 6:15PM Jul 05, 2015Observed: 3.05 ft at 6:30PM Jul 05, 2015Observed: 3.05 ft at 6:45PM Jul 05, 2015Observed: 3.05 ft at 7:00PM Jul 05, 2015Observed: 3.04 ft at 7:15PM Jul 05, 2015Observed: 3.04 ft at 7:30PM Jul 05, 2015Observed: 3.04 ft at 7:45PM Jul 05, 2015Observed: 3.04 ft at 8:00PM Jul 05, 2015Observed: 3.04 ft at 8:15PM Jul 05, 2015Observed: 3.04 ft at 8:30PM Jul 05, 2015Observed: 3.04 ft at 8:45PM Jul 05, 2015Observed: 3.04 ft at 9:00PM Jul 05, 2015Observed: 3.04 ft at 9:15PM Jul 05, 2015Observed: 3.04 ft at 9:30PM Jul 05, 2015Observed: 3.03 ft at 9:45PM Jul 05, 2015Observed: 3.03 ft at 10:00PM Jul 05, 2015Observed: 3.03 ft at 10:15PM Jul 05, 2015Observed: 3.03 ft at 10:30PM Jul 05, 2015Observed: 3.03 ft at 10:45PM Jul 05, 2015Observed: 3.03 ft at 11:00PM Jul 05, 2015Observed: 3.03 ft at 11:15PM Jul 05, 2015Observed: 3.03 ft at 11:30PM Jul 05, 2015Observed: 3.03 ft at 11:45PM Jul 05, 2015Observed: 3.03 ft at 12:00AM Jul 06, 2015Observed: 3.03 ft at 12:15AM Jul 06, 2015Observed: 3.03 ft at 12:30AM Jul 06, 2015Observed: 3.03 ft at 12:45AM Jul 06, 2015Observed: 3.02 ft at 1:00AM Jul 06, 2015Observed: 3.02 ft at 1:15AM Jul 06, 2015Observed: 3.02 ft at 1:30AM Jul 06, 2015Observed: 3.02 ft at 1:45AM Jul 06, 2015Observed: 3.02 ft at 2:00AM Jul 06, 2015Observed: 3.02 ft at 2:15AM Jul 06, 2015Observed: 3.02 ft at 2:30AM Jul 06, 2015Observed: 3.02 ft at 2:45AM Jul 06, 2015Observed: 3.02 ft at 3:00AM Jul 06, 2015Observed: 3.02 ft at 3:15AM Jul 06, 2015Observed: 3.01 ft at 3:30AM Jul 06, 2015Observed: 3.01 ft at 3:45AM Jul 06, 2015Observed: 3.01 ft at 4:00AM Jul 06, 2015Observed: 3.01 ft at 4:15AM Jul 06, 2015Observed: 3.01 ft at 4:30AM Jul 06, 2015Observed: 3.01 ft at 4:45AM Jul 06, 2015Observed: 3.01 ft at 5:00AM Jul 06, 2015Observed: 3.01 ft at 5:15AM Jul 06, 2015Observed: 3 ft at 5:30AM Jul 06, 2015Observed: 3 ft at 5:45AM Jul 06, 2015Observed: 3 ft at 6:00AM Jul 06, 2015Observed: 3 ft at 6:15AM Jul 06, 2015Observed: 3 ft at 6:30AM Jul 06, 2015Observed: 3 ft at 6:45AM Jul 06, 2015Observed: 3 ft at 7:00AM Jul 06, 2015Observed: 3 ft at 7:15AM Jul 06, 2015Observed: 3 ft at 7:30AM Jul 06, 2015Observed: 3 ft at 7:45AM Jul 06, 2015Observed: 3 ft at 8:00AM Jul 06, 2015Observed: 3 ft at 8:15AM Jul 06, 2015Observed: 3 ft at 8:30AM Jul 06, 2015Observed: 3 ft at 8:45AM Jul 06, 2015Observed: 3 ft at 9:00AM Jul 06, 2015Observed: 3 ft at 9:15AM Jul 06, 2015Observed: 3 ft at 9:30AM Jul 06, 2015Observed: 3 ft at 9:45AM Jul 06, 2015Observed: 3 ft at 10:00AM Jul 06, 2015Observed: 3 ft at 10:15AM Jul 06, 2015Observed: 3 ft at 10:30AM Jul 06, 2015Observed: 3 ft at 10:45AM Jul 06, 2015Observed: 3 ft at 11:00AM Jul 06, 2015Observed: 3 ft at 11:15AM Jul 06, 2015Observed: 3 ft at 11:30AM Jul 06, 2015Observed: 3 ft at 11:45AM Jul 06, 2015Observed: 3 ft at 12:00PM Jul 06, 2015Observed: 3 ft at 12:15PM Jul 06, 2015Observed: 3 ft at 12:30PM Jul 06, 2015Observed: 3 ft at 12:45PM Jul 06, 2015Observed: 3 ft at 1:00PM Jul 06, 2015Observed: 3 ft at 1:15PM Jul 06, 2015Observed: 3 ft at 1:30PM Jul 06, 2015Observed: 3 ft at 1:45PM Jul 06, 2015Observed: 3 ft at 2:00PM Jul 06, 2015Observed: 2.99 ft at 2:15PM Jul 06, 2015Observed: 2.99 ft at 2:30PM Jul 06, 2015Observed: 2.99 ft at 2:45PM Jul 06, 2015Observed: 2.99 ft at 3:00PM Jul 06, 2015Observed: 2.99 ft at 3:15PM Jul 06, 2015Observed: 2.99 ft at 3:30PM Jul 06, 2015Observed: 2.99 ft at 3:45PM Jul 06, 2015Observed: 2.99 ft at 4:00PM Jul 06, 2015Observed: 2.98 ft at 4:15PM Jul 06, 2015Observed: 2.98 ft at 4:30PM Jul 06, 2015Observed: 2.98 ft at 4:45PM Jul 06, 2015Observed: 2.98 ft at 5:00PM Jul 06, 2015Observed: 2.98 ft at 5:15PM Jul 06, 2015Observed: 2.98 ft at 5:30PM Jul 06, 2015Observed: 2.98 ft at 5:45PM Jul 06, 2015Observed: 2.98 ft at 6:00PM Jul 06, 2015Observed: 2.97 ft at 6:15PM Jul 06, 2015Observed: 2.97 ft at 6:30PM Jul 06, 2015Observed: 2.97 ft at 6:45PM Jul 06, 2015Observed: 2.97 ft at 7:00PM Jul 06, 2015Observed: 2.97 ft at 7:15PM Jul 06, 2015Observed: 2.97 ft at 7:30PM Jul 06, 2015Observed: 2.97 ft at 7:45PM Jul 06, 2015Observed: 2.97 ft at 8:00PM Jul 06, 2015Observed: 2.97 ft at 8:15PM Jul 06, 2015Observed: 2.97 ft at 8:30PM Jul 06, 2015Observed: 2.96 ft at 8:45PM Jul 06, 2015Observed: 2.96 ft at 9:00PM Jul 06, 2015Observed: 2.96 ft at 9:15PM Jul 06, 2015Observed: 2.96 ft at 9:30PM Jul 06, 2015Observed: 2.96 ft at 9:45PM Jul 06, 2015Observed: 2.96 ft at 10:00PM Jul 06, 2015Observed: 2.96 ft at 10:15PM Jul 06, 2015Observed: 2.96 ft at 10:30PM Jul 06, 2015Observed: 2.95 ft at 10:45PM Jul 06, 2015Observed: 2.95 ft at 11:00PM Jul 06, 2015Observed: 2.95 ft at 11:15PM Jul 06, 2015Observed: 2.95 ft at 11:30PM Jul 06, 2015Observed: 2.95 ft at 11:45PM Jul 06, 2015Observed: 2.95 ft at 12:00AM Jul 07, 2015Observed: 2.95 ft at 12:15AM Jul 07, 2015Observed: 2.95 ft at 12:30AM Jul 07, 2015Observed: 2.95 ft at 12:45AM Jul 07, 2015Observed: 2.95 ft at 1:00AM Jul 07, 2015Observed: 2.95 ft at 1:15AM Jul 07, 2015Observed: 2.94 ft at 1:30AM Jul 07, 2015Observed: 2.94 ft at 1:45AM Jul 07, 2015Observed: 2.94 ft at 2:00AM Jul 07, 2015Observed: 2.94 ft at 2:15AM Jul 07, 2015Observed: 2.94 ft at 2:30AM Jul 07, 2015Observed: 2.94 ft at 2:45AM Jul 07, 2015Observed: 2.94 ft at 3:00AM Jul 07, 2015Observed: 2.94 ft at 3:15AM Jul 07, 2015Observed: 2.94 ft at 3:30AM Jul 07, 2015Observed: 2.94 ft at 3:45AM Jul 07, 2015Observed: 2.94 ft at 4:00AM Jul 07, 2015Observed: 2.94 ft at 4:15AM Jul 07, 2015Observed: 2.94 ft at 4:30AM Jul 07, 2015Observed: 2.94 ft at 4:45AM Jul 07, 2015Observed: 2.94 ft at 5:00AM Jul 07, 2015Observed: 2.93 ft at 5:15AM Jul 07, 2015Observed: 2.93 ft at 5:30AM Jul 07, 2015Observed: 2.93 ft at 5:45AM Jul 07, 2015Observed: 2.93 ft at 6:00AM Jul 07, 2015Observed: 2.93 ft at 6:15AM Jul 07, 2015Observed: 2.93 ft at 6:30AM Jul 07, 2015Observed: 2.93 ft at 6:45AM Jul 07, 2015Observed: 2.93 ft at 7:00AM Jul 07, 2015Observed: 2.93 ft at 7:15AM Jul 07, 2015Observed: 2.93 ft at 7:30AM Jul 07, 2015Observed: 2.93 ft at 7:45AM Jul 07, 2015Observed: 2.93 ft at 8:00AM Jul 07, 2015Observed: 2.93 ft at 8:15AM Jul 07, 2015Observed: 2.93 ft at 8:30AM Jul 07, 2015Observed: 2.93 ft at 8:31AM Jul 07, 2015Observed: 2.93 ft at 8:45AM Jul 07, 2015Observed: 2.93 ft at 9:00AM Jul 07, 2015Observed: 2.93 ft at 9:15AM Jul 07, 2015Observed: 2.93 ft at 9:30AM Jul 07, 2015Observed: 2.93 ft at 9:45AM Jul 07, 2015Observed: 2.93 ft at 10:00AM Jul 07, 2015Observed: 2.93 ft at 10:15AM Jul 07, 2015Observed: 2.93 ft at 10:30AM Jul 07, 2015Observed: 2.93 ft at 10:45AM Jul 07, 2015Observed: 2.93 ft at 11:00AM Jul 07, 2015Observed: 2.93 ft at 11:15AM Jul 07, 2015Observed: 2.93 ft at 11:30AM Jul 07, 2015Observed: 2.93 ft at 11:45AM Jul 07, 2015Observed: 2.93 ft at 12:00PM Jul 07, 2015Observed: 2.93 ft at 12:15PM Jul 07, 2015Observed: 2.93 ft at 12:30PM Jul 07, 2015Observed: 2.93 ft at 12:45PM Jul 07, 2015Observed: 2.93 ft at 1:00PM Jul 07, 2015Observed: 2.93 ft at 1:15PM Jul 07, 2015Observed: 2.93 ft at 1:30PM Jul 07, 2015Observed: 2.92 ft at 1:45PM Jul 07, 2015Observed: 2.92 ft at 2:00PM Jul 07, 2015Observed: 2.92 ft at 2:15PM Jul 07, 2015Observed: 2.92 ft at 2:30PM Jul 07, 2015Observed: 2.92 ft at 2:45PM Jul 07, 2015Observed: 2.92 ft at 3:00PM Jul 07, 2015Observed: 2.92 ft at 3:15PM Jul 07, 2015Observed: 2.91 ft at 3:30PM Jul 07, 2015Observed: 2.91 ft at 3:45PM Jul 07, 2015Observed: 2.91 ft at 4:00PM Jul 07, 2015Observed: 2.91 ft at 4:15PM Jul 07, 2015Observed: 2.91 ft at 4:30PM Jul 07, 2015Observed: 2.91 ft at 4:45PM Jul 07, 2015Observed: 2.91 ft at 5:00PM Jul 07, 2015Observed: 2.91 ft at 5:15PM Jul 07, 2015Observed: 2.91 ft at 5:30PM Jul 07, 2015Observed: 2.91 ft at 5:45PM Jul 07, 2015Observed: 2.91 ft at 6:00PM Jul 07, 2015Observed: 2.91 ft at 6:15PM Jul 07, 2015Observed: 2.91 ft at 6:30PM Jul 07, 2015Observed: 2.91 ft at 6:45PM Jul 07, 2015Observed: 2.91 ft at 7:00PM Jul 07, 2015Observed: 2.91 ft at 7:15PM Jul 07, 2015Observed: 2.91 ft at 7:30PM Jul 07, 2015Observed: 2.91 ft at 7:45PM Jul 07, 2015Observed: 2.91 ft at 8:00PM Jul 07, 2015Observed: 2.91 ft at 8:15PM Jul 07, 2015Observed: 2.91 ft at 8:30PM Jul 07, 2015Observed: 2.91 ft at 8:45PM Jul 07, 2015Observed: 2.91 ft at 9:00PM Jul 07, 2015Observed: 2.91 ft at 9:15PM Jul 07, 2015USGS--Water Resources of the United StatesCVTC3(plotting HGIRG) Graph Created (10:30PM Jul 7, 2015)ObservedLatest observed value: 2.91 ft at 9:15 PM EDT 7-Jul-2015. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Willimantic River at Coventry. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 11
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 18.66 ft on 08/19/1955
(2) 18.08 ft on 09/21/1938
(3) 14.81 ft on 10/15/2005
(4) 12.19 ft on 03/12/1936
(5) 11.64 ft on 06/05/1982
(6) 11.12 ft on 03/07/2011
(7) 10.94 ft on 05/31/1984
(8) 10.91 ft on 01/25/1979
(9) 10.83 ft on 01/26/1978
(10) 10.48 ft on 12/21/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.19 ft on 03/30/2014
(2) 8.75 ft on 06/14/2013
(3) 8.56 ft on 06/08/2013
(4) 8.40 ft on 12/08/2011
(5) 9.12 ft on 08/29/2011
(6) 8.73 ft on 04/17/2011
(7) 8.82 ft on 03/12/2011
(8) 11.12 ft on 03/07/2011
(9) 9.31 ft on 03/31/2010
(10) 8.88 ft on 12/12/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
14.5 Numerous roads are impacted in Coventry and Mansfield. This includes the following, Thornbush Road, Route 275, Depot Road, Cider Mill and Flanders River Roads, and Route 44 near the Mansfield/Coventry town line.
13.5 Floodwaters reaach base of Merrow Road Bridge.
10.5 Floodwaters inundate meadow Merrow Park near bridge.
8 Floodwaters reach the lowest lying sections of Thornbush and Flanders River Roads in Mansfield and Coventry.
About This Location Collapse

Latitude: 41.750556° N, Longitude: 72.266111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 Not Available Not Available  

Current/Historical Observations:

Resources Collapse
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
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Page last modified: 12-Feb-2015 9:34 PM
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