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Hydrograph River at a Glance Download
Hockanum River at East Hartford Stage (ft)Flow (kcfs)Highest Observation: 2.98 ft at 3:30AM Mar 21, 2023Highest Observation: 2.98 ft at 3:45AM Mar 21, 2023Observed: 2.97 ft at 4:00AM Mar 21, 2023Observed: 2.97 ft at 4:15AM Mar 21, 2023Observed: 2.97 ft at 4:30AM Mar 21, 2023Observed: 2.96 ft at 4:45AM Mar 21, 2023Observed: 2.96 ft at 5:00AM Mar 21, 2023Observed: 2.96 ft at 5:15AM Mar 21, 2023Observed: 2.96 ft at 5:30AM Mar 21, 2023Observed: 2.96 ft at 5:45AM Mar 21, 2023Observed: 2.95 ft at 6:00AM Mar 21, 2023Observed: 2.95 ft at 6:15AM Mar 21, 2023Observed: 2.95 ft at 6:30AM Mar 21, 2023Observed: 2.94 ft at 6:45AM Mar 21, 2023Observed: 2.94 ft at 7:00AM Mar 21, 2023Observed: 2.94 ft at 7:15AM Mar 21, 2023Observed: 2.94 ft at 7:30AM Mar 21, 2023Observed: 2.94 ft at 7:45AM Mar 21, 2023Observed: 2.93 ft at 8:00AM Mar 21, 2023Observed: 2.94 ft at 8:15AM Mar 21, 2023Observed: 2.94 ft at 8:30AM Mar 21, 2023Observed: 2.94 ft at 8:45AM Mar 21, 2023Observed: 2.93 ft at 9:00AM Mar 21, 2023Observed: 2.94 ft at 9:15AM Mar 21, 2023Observed: 2.94 ft at 9:30AM Mar 21, 2023Observed: 2.93 ft at 9:45AM Mar 21, 2023Observed: 2.94 ft at 10:00AM Mar 21, 2023Observed: 2.94 ft at 10:15AM Mar 21, 2023Observed: 2.94 ft at 10:30AM Mar 21, 2023Observed: 2.94 ft at 10:45AM Mar 21, 2023Observed: 2.94 ft at 11:00AM Mar 21, 2023Observed: 2.93 ft at 11:15AM Mar 21, 2023Observed: 2.93 ft at 11:30AM Mar 21, 2023Observed: 2.94 ft at 11:45AM Mar 21, 2023Observed: 2.93 ft at 12:00PM Mar 21, 2023Observed: 2.94 ft at 12:15PM Mar 21, 2023Observed: 2.93 ft at 12:30PM Mar 21, 2023Observed: 2.93 ft at 12:45PM Mar 21, 2023Observed: 2.93 ft at 1:00PM Mar 21, 2023Observed: 2.92 ft at 1:15PM Mar 21, 2023Observed: 2.92 ft at 1:30PM Mar 21, 2023Observed: 2.92 ft at 1:45PM Mar 21, 2023Observed: 2.92 ft at 2:00PM Mar 21, 2023Observed: 2.92 ft at 2:15PM Mar 21, 2023Observed: 2.92 ft at 2:30PM Mar 21, 2023Observed: 2.92 ft at 2:45PM Mar 21, 2023Observed: 2.92 ft at 3:00PM Mar 21, 2023Observed: 2.92 ft at 3:15PM Mar 21, 2023Observed: 2.92 ft at 3:30PM Mar 21, 2023Observed: 2.92 ft at 3:45PM Mar 21, 2023Observed: 2.92 ft at 4:00PM Mar 21, 2023Observed: 2.92 ft at 4:15PM Mar 21, 2023Observed: 2.91 ft at 4:30PM Mar 21, 2023Observed: 2.91 ft at 4:45PM Mar 21, 2023Observed: 2.91 ft at 5:00PM Mar 21, 2023Observed: 2.9 ft at 5:15PM Mar 21, 2023Observed: 2.91 ft at 5:30PM Mar 21, 2023Observed: 2.91 ft at 5:45PM Mar 21, 2023Observed: 2.9 ft at 6:00PM Mar 21, 2023Observed: 2.9 ft at 6:15PM Mar 21, 2023Observed: 2.91 ft at 6:30PM Mar 21, 2023Observed: 2.9 ft at 6:45PM Mar 21, 2023Observed: 2.9 ft at 7:00PM Mar 21, 2023Observed: 2.91 ft at 7:15PM Mar 21, 2023Observed: 2.9 ft at 7:30PM Mar 21, 2023Observed: 2.9 ft at 7:45PM Mar 21, 2023Observed: 2.9 ft at 8:00PM Mar 21, 2023Observed: 2.9 ft at 8:15PM Mar 21, 2023Observed: 2.9 ft at 8:30PM Mar 21, 2023Observed: 2.9 ft at 8:45PM Mar 21, 2023Observed: 2.9 ft at 9:00PM Mar 21, 2023Observed: 2.9 ft at 9:15PM Mar 21, 2023Observed: 2.9 ft at 9:30PM Mar 21, 2023Observed: 2.9 ft at 9:45PM Mar 21, 2023Observed: 2.9 ft at 10:00PM Mar 21, 2023Observed: 2.9 ft at 10:15PM Mar 21, 2023Observed: 2.9 ft at 10:30PM Mar 21, 2023Observed: 2.9 ft at 10:45PM Mar 21, 2023Observed: 2.9 ft at 11:00PM Mar 21, 2023Observed: 2.9 ft at 11:15PM Mar 21, 2023Observed: 2.89 ft at 11:30PM Mar 21, 2023Observed: 2.89 ft at 11:45PM Mar 21, 2023Observed: 2.89 ft at 12:00AM Mar 22, 2023Observed: 2.88 ft at 12:15AM Mar 22, 2023Observed: 2.88 ft at 12:30AM Mar 22, 2023Observed: 2.88 ft at 12:45AM Mar 22, 2023Observed: 2.88 ft at 1:00AM Mar 22, 2023Observed: 2.88 ft at 1:15AM Mar 22, 2023Observed: 2.88 ft at 1:30AM Mar 22, 2023Observed: 2.87 ft at 1:45AM Mar 22, 2023Observed: 2.87 ft at 2:00AM Mar 22, 2023Observed: 2.87 ft at 2:15AM Mar 22, 2023Observed: 2.86 ft at 2:30AM Mar 22, 2023Observed: 2.87 ft at 2:45AM Mar 22, 2023Observed: 2.86 ft at 3:00AM Mar 22, 2023Observed: 2.86 ft at 3:15AM Mar 22, 2023Observed: 2.85 ft at 3:30AM Mar 22, 2023Observed: 2.85 ft at 3:45AM Mar 22, 2023Observed: 2.85 ft at 4:00AM Mar 22, 2023Observed: 2.85 ft at 4:15AM Mar 22, 2023Observed: 2.84 ft at 4:30AM Mar 22, 2023Observed: 2.84 ft at 4:45AM Mar 22, 2023Observed: 2.84 ft at 5:00AM Mar 22, 2023Observed: 2.83 ft at 5:15AM Mar 22, 2023Observed: 2.84 ft at 5:30AM Mar 22, 2023Observed: 2.84 ft at 5:45AM Mar 22, 2023Observed: 2.83 ft at 6:00AM Mar 22, 2023Observed: 2.83 ft at 6:15AM Mar 22, 2023Observed: 2.83 ft at 6:30AM Mar 22, 2023Observed: 2.83 ft at 6:45AM Mar 22, 2023Observed: 2.83 ft at 7:00AM Mar 22, 2023Observed: 2.82 ft at 7:15AM Mar 22, 2023Observed: 2.83 ft at 7:30AM Mar 22, 2023Observed: 2.82 ft at 7:45AM Mar 22, 2023Observed: 2.82 ft at 8:00AM Mar 22, 2023Observed: 2.82 ft at 8:15AM Mar 22, 2023Observed: 2.82 ft at 8:30AM Mar 22, 2023Observed: 2.82 ft at 8:45AM Mar 22, 2023Observed: 2.83 ft at 9:00AM Mar 22, 2023Observed: 2.82 ft at 9:15AM Mar 22, 2023Observed: 2.83 ft at 9:30AM Mar 22, 2023Observed: 2.83 ft at 9:45AM Mar 22, 2023Observed: 2.83 ft at 10:00AM Mar 22, 2023Observed: 2.83 ft at 10:15AM Mar 22, 2023Observed: 2.83 ft at 10:30AM Mar 22, 2023Observed: 2.83 ft at 10:45AM Mar 22, 2023Observed: 2.82 ft at 11:00AM Mar 22, 2023Observed: 2.82 ft at 11:15AM Mar 22, 2023Observed: 2.82 ft at 11:30AM Mar 22, 2023Observed: 2.83 ft at 11:45AM Mar 22, 2023Observed: 2.83 ft at 12:00PM Mar 22, 2023Observed: 2.83 ft at 12:15PM Mar 22, 2023Observed: 2.84 ft at 12:30PM Mar 22, 2023Observed: 2.83 ft at 12:45PM Mar 22, 2023Observed: 2.83 ft at 1:00PM Mar 22, 2023Observed: 2.83 ft at 1:15PM Mar 22, 2023Observed: 2.83 ft at 1:30PM Mar 22, 2023Observed: 2.83 ft at 1:45PM Mar 22, 2023Observed: 2.83 ft at 2:00PM Mar 22, 2023Observed: 2.82 ft at 2:15PM Mar 22, 2023Observed: 2.82 ft at 2:30PM Mar 22, 2023Observed: 2.83 ft at 2:45PM Mar 22, 2023Observed: 2.83 ft at 3:00PM Mar 22, 2023Observed: 2.83 ft at 3:15PM Mar 22, 2023Observed: 2.83 ft at 3:30PM Mar 22, 2023Observed: 2.83 ft at 3:45PM Mar 22, 2023Observed: 2.83 ft at 4:00PM Mar 22, 2023Observed: 2.83 ft at 4:15PM Mar 22, 2023Observed: 2.82 ft at 4:30PM Mar 22, 2023Observed: 2.82 ft at 4:45PM Mar 22, 2023Observed: 2.82 ft at 5:00PM Mar 22, 2023Observed: 2.82 ft at 5:15PM Mar 22, 2023Observed: 2.81 ft at 5:30PM Mar 22, 2023Observed: 2.82 ft at 5:45PM Mar 22, 2023Observed: 2.82 ft at 6:00PM Mar 22, 2023Observed: 2.82 ft at 6:15PM Mar 22, 2023Observed: 2.81 ft at 6:30PM Mar 22, 2023Observed: 2.81 ft at 6:45PM Mar 22, 2023Observed: 2.81 ft at 7:00PM Mar 22, 2023Observed: 2.81 ft at 7:15PM Mar 22, 2023Observed: 2.81 ft at 7:30PM Mar 22, 2023Observed: 2.81 ft at 7:45PM Mar 22, 2023Observed: 2.81 ft at 8:00PM Mar 22, 2023Observed: 2.81 ft at 8:15PM Mar 22, 2023Observed: 2.81 ft at 8:30PM Mar 22, 2023Observed: 2.81 ft at 8:45PM Mar 22, 2023Observed: 2.81 ft at 9:00PM Mar 22, 2023Observed: 2.82 ft at 9:15PM Mar 22, 2023Observed: 2.81 ft at 9:30PM Mar 22, 2023Observed: 2.81 ft at 9:45PM Mar 22, 2023Observed: 2.81 ft at 10:00PM Mar 22, 2023Observed: 2.81 ft at 10:15PM Mar 22, 2023Observed: 2.81 ft at 10:30PM Mar 22, 2023Observed: 2.81 ft at 10:45PM Mar 22, 2023Observed: 2.81 ft at 11:00PM Mar 22, 2023Observed: 2.81 ft at 11:15PM Mar 22, 2023Observed: 2.81 ft at 11:30PM Mar 22, 2023Observed: 2.8 ft at 11:45PM Mar 22, 2023Observed: 2.8 ft at 12:00AM Mar 23, 2023Observed: 2.8 ft at 12:15AM Mar 23, 2023Observed: 2.8 ft at 12:30AM Mar 23, 2023Observed: 2.8 ft at 12:45AM Mar 23, 2023Observed: 2.79 ft at 1:00AM Mar 23, 2023Observed: 2.79 ft at 1:15AM Mar 23, 2023Observed: 2.79 ft at 1:30AM Mar 23, 2023Observed: 2.79 ft at 1:45AM Mar 23, 2023Observed: 2.79 ft at 2:00AM Mar 23, 2023Observed: 2.78 ft at 2:15AM Mar 23, 2023Observed: 2.78 ft at 2:30AM Mar 23, 2023Observed: 2.78 ft at 2:45AM Mar 23, 2023Observed: 2.78 ft at 3:00AM Mar 23, 2023Observed: 2.77 ft at 3:15AM Mar 23, 2023Observed: 2.78 ft at 3:30AM Mar 23, 2023Observed: 2.77 ft at 3:45AM Mar 23, 2023Observed: 2.77 ft at 4:00AM Mar 23, 2023Observed: 2.76 ft at 4:15AM Mar 23, 2023Observed: 2.76 ft at 4:30AM Mar 23, 2023Observed: 2.76 ft at 4:45AM Mar 23, 2023Observed: 2.76 ft at 5:00AM Mar 23, 2023Observed: 2.76 ft at 5:15AM Mar 23, 2023Observed: 2.76 ft at 5:30AM Mar 23, 2023Observed: 2.75 ft at 5:45AM Mar 23, 2023Observed: 2.75 ft at 6:00AM Mar 23, 2023Observed: 2.75 ft at 6:15AM Mar 23, 2023Observed: 2.75 ft at 6:30AM Mar 23, 2023Observed: 2.74 ft at 6:45AM Mar 23, 2023Observed: 2.75 ft at 7:00AM Mar 23, 2023Observed: 2.74 ft at 7:15AM Mar 23, 2023Observed: 2.75 ft at 7:30AM Mar 23, 2023Observed: 2.74 ft at 7:45AM Mar 23, 2023Observed: 2.74 ft at 8:00AM Mar 23, 2023Observed: 2.75 ft at 8:15AM Mar 23, 2023Observed: 2.75 ft at 8:30AM Mar 23, 2023Observed: 2.75 ft at 8:45AM Mar 23, 2023Observed: 2.75 ft at 9:00AM Mar 23, 2023Observed: 2.75 ft at 9:15AM Mar 23, 2023Observed: 2.75 ft at 9:30AM Mar 23, 2023Observed: 2.76 ft at 9:45AM Mar 23, 2023Observed: 2.76 ft at 10:00AM Mar 23, 2023Observed: 2.77 ft at 10:15AM Mar 23, 2023Observed: 2.76 ft at 10:30AM Mar 23, 2023Observed: 2.77 ft at 10:45AM Mar 23, 2023Observed: 2.77 ft at 11:00AM Mar 23, 2023Observed: 2.77 ft at 11:15AM Mar 23, 2023Observed: 2.77 ft at 11:30AM Mar 23, 2023Observed: 2.77 ft at 11:45AM Mar 23, 2023Observed: 2.77 ft at 12:00PM Mar 23, 2023Observed: 2.77 ft at 12:15PM Mar 23, 2023Observed: 2.77 ft at 12:30PM Mar 23, 2023Observed: 2.77 ft at 12:45PM Mar 23, 2023Observed: 2.77 ft at 1:00PM Mar 23, 2023Observed: 2.78 ft at 1:15PM Mar 23, 2023Observed: 2.77 ft at 1:30PM Mar 23, 2023Observed: 2.77 ft at 1:45PM Mar 23, 2023Observed: 2.77 ft at 2:00PM Mar 23, 2023Observed: 2.77 ft at 2:15PM Mar 23, 2023Observed: 2.77 ft at 2:30PM Mar 23, 2023Observed: 2.77 ft at 2:45PM Mar 23, 2023Observed: 2.78 ft at 3:00PM Mar 23, 2023Observed: 2.77 ft at 3:15PM Mar 23, 2023Observed: 2.78 ft at 3:30PM Mar 23, 2023Observed: 2.78 ft at 3:45PM Mar 23, 2023Observed: 2.78 ft at 4:00PM Mar 23, 2023Observed: 2.79 ft at 4:15PM Mar 23, 2023Observed: 2.8 ft at 4:30PM Mar 23, 2023Observed: 2.8 ft at 4:45PM Mar 23, 2023Observed: 2.81 ft at 5:00PM Mar 23, 2023Observed: 2.82 ft at 5:15PM Mar 23, 2023Observed: 2.82 ft at 5:30PM Mar 23, 2023Observed: 2.83 ft at 5:45PM Mar 23, 2023Observed: 2.84 ft at 6:00PM Mar 23, 2023Observed: 2.85 ft at 6:15PM Mar 23, 2023Observed: 2.86 ft at 6:30PM Mar 23, 2023Observed: 2.86 ft at 6:45PM Mar 23, 2023Observed: 2.87 ft at 7:00PM Mar 23, 2023Observed: 2.87 ft at 7:15PM Mar 23, 2023Observed: 2.88 ft at 7:30PM Mar 23, 2023Observed: 2.88 ft at 7:45PM Mar 23, 2023Observed: 2.88 ft at 8:00PM Mar 23, 2023Observed: 2.88 ft at 8:15PM Mar 23, 2023Observed: 2.88 ft at 8:30PM Mar 23, 2023Observed: 2.89 ft at 8:45PM Mar 23, 2023Observed: 2.89 ft at 9:00PM Mar 23, 2023Observed: 2.89 ft at 9:15PM Mar 23, 2023Observed: 2.89 ft at 9:30PM Mar 23, 2023Observed: 2.89 ft at 9:45PM Mar 23, 2023Observed: 2.89 ft at 10:00PM Mar 23, 2023Observed: 2.89 ft at 10:15PM Mar 23, 2023Observed: 2.89 ft at 10:30PM Mar 23, 2023Observed: 2.89 ft at 10:45PM Mar 23, 2023Observed: 2.89 ft at 11:00PM Mar 23, 2023Observed: 2.89 ft at 11:15PM Mar 23, 2023Observed: 2.88 ft at 11:30PM Mar 23, 2023Observed: 2.89 ft at 11:45PM Mar 23, 2023Observed: 2.88 ft at 12:00AM Mar 24, 2023Observed: 2.88 ft at 12:15AM Mar 24, 2023Observed: 2.88 ft at 12:30AM Mar 24, 2023Observed: 2.88 ft at 12:45AM Mar 24, 2023Observed: 2.88 ft at 1:00AM Mar 24, 2023Observed: 2.88 ft at 1:15AM Mar 24, 2023Observed: 2.87 ft at 1:30AM Mar 24, 2023Observed: 2.86 ft at 1:45AM Mar 24, 2023Observed: 2.86 ft at 2:00AM Mar 24, 2023Observed: 2.86 ft at 2:15AM Mar 24, 2023Observed: 2.86 ft at 2:30AM Mar 24, 2023USGS--Water Resources of the United StatesEHDC3(plotting HGIRG) Graph Created (3:15AM Mar 24, 2023)ObservedLatest observed value: 2.86 ft at 2:30 AM EDT 24-Mar-2023. 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 are not available for the Hockanum River at East Hartford. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 13.78 ft on 09/21/1938
(2) 12.03 ft on 10/15/2005
(3) 11.93 ft on 01/25/1979
(4) 11.78 ft on 08/23/2021 (P)
(5) 11.50 ft on 09/02/2021 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.50 ft on 09/02/2021 (P)
(2) 11.78 ft on 08/23/2021 (P)
(3) 9.52 ft on 08/19/2021 (P)
(4) 10.74 ft on 07/09/2021 (P)
(5) 9.20 ft on 12/25/2020 (P)
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
12 Impacted areas include lower lying spots on Arbitus and Preston Streets, as well as Burnside Ave.
10.5 Floodwaters begin to back up behind the Walnut Street Bridge.
9.5 The river begins to flood Burnside Ave, Route 44, in East Hartford.
About This Location Collapse

Latitude: 41.783056° N, Longitude: 72.587778° W, Horizontal Datum: NAD83/WGS84

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 53.60 62.60 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
National Weather Service
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Norton, MA 02766
(508) 622-3250
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