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Hydrograph River at a Glance Download
Housatonic River at Stevenson Stage (ft)Flow (cfs)Observed: 2.5 ft at 8:45AM May 27, 2020Observed: 2.49 ft at 9:00AM May 27, 2020Observed: 2.49 ft at 9:15AM May 27, 2020Observed: 2.49 ft at 9:30AM May 27, 2020Observed: 2.48 ft at 9:45AM May 27, 2020Observed: 2.48 ft at 10:00AM May 27, 2020Observed: 2.48 ft at 10:15AM May 27, 2020Observed: 2.49 ft at 10:30AM May 27, 2020Observed: 2.48 ft at 10:45AM May 27, 2020Observed: 2.49 ft at 11:00AM May 27, 2020Observed: 2.48 ft at 11:15AM May 27, 2020Observed: 2.49 ft at 11:30AM May 27, 2020Observed: 2.49 ft at 11:45AM May 27, 2020Observed: 2.49 ft at 12:00PM May 27, 2020Observed: 2.49 ft at 12:15PM May 27, 2020Observed: 2.49 ft at 12:30PM May 27, 2020Observed: 2.49 ft at 12:45PM May 27, 2020Observed: 2.49 ft at 1:00PM May 27, 2020Observed: 2.49 ft at 1:01PM May 27, 2020Observed: 2.5 ft at 1:15PM May 27, 2020Observed: 2.5 ft at 1:30PM May 27, 2020Observed: 2.5 ft at 1:45PM May 27, 2020Observed: 2.49 ft at 2:00PM May 27, 2020Observed: 2.49 ft at 2:15PM May 27, 2020Observed: 2.49 ft at 2:30PM May 27, 2020Observed: 2.49 ft at 2:45PM May 27, 2020Observed: 2.5 ft at 3:00PM May 27, 2020Observed: 2.47 ft at 3:15PM May 27, 2020Observed: 2.47 ft at 3:30PM May 27, 2020Observed: 2.47 ft at 3:45PM May 27, 2020Observed: 2.54 ft at 4:00PM May 27, 2020Observed: 4.12 ft at 4:15PM May 27, 2020Observed: 5.36 ft at 4:30PM May 27, 2020Observed: 6.49 ft at 4:45PM May 27, 2020Observed: 6.69 ft at 5:00PM May 27, 2020Observed: 6.73 ft at 5:15PM May 27, 2020Observed: 6.75 ft at 5:30PM May 27, 2020Observed: 6.76 ft at 5:45PM May 27, 2020Observed: 6.76 ft at 6:00PM May 27, 2020Observed: 6.76 ft at 6:15PM May 27, 2020Observed: 6.76 ft at 6:30PM May 27, 2020Observed: 6.75 ft at 6:45PM May 27, 2020Observed: 6.76 ft at 7:00PM May 27, 2020Observed: 6.76 ft at 7:01PM May 27, 2020Observed: 6.76 ft at 7:15PM May 27, 2020Observed: 6.76 ft at 7:30PM May 27, 2020Observed: 6.76 ft at 7:45PM May 27, 2020Observed: 6.76 ft at 8:00PM May 27, 2020Highest Observation: 6.77 ft at 8:15PM May 27, 2020Highest Observation: 6.77 ft at 8:30PM May 27, 2020Highest Observation: 6.77 ft at 8:45PM May 27, 2020Highest Observation: 6.77 ft at 9:00PM May 27, 2020Observed: 6 ft at 9:15PM May 27, 2020Observed: 4.9 ft at 9:30PM May 27, 2020Observed: 3.72 ft at 9:45PM May 27, 2020Observed: 3.06 ft at 10:00PM May 27, 2020Observed: 2.79 ft at 10:15PM May 27, 2020Observed: 2.66 ft at 10:30PM May 27, 2020Observed: 2.58 ft at 10:45PM May 27, 2020Observed: 2.54 ft at 11:00PM May 27, 2020Observed: 2.52 ft at 11:15PM May 27, 2020Observed: 2.5 ft at 11:30PM May 27, 2020Observed: 2.5 ft at 11:45PM May 27, 2020Observed: 2.49 ft at 12:00AM May 28, 2020Observed: 2.48 ft at 12:15AM May 28, 2020Observed: 2.49 ft at 12:30AM May 28, 2020Observed: 2.48 ft at 12:45AM May 28, 2020Observed: 2.48 ft at 1:00AM May 28, 2020Observed: 2.48 ft at 1:01AM May 28, 2020Observed: 2.48 ft at 1:15AM May 28, 2020Observed: 2.49 ft at 1:30AM May 28, 2020Observed: 2.47 ft at 1:45AM May 28, 2020Observed: 2.47 ft at 2:00AM May 28, 2020Observed: 2.46 ft at 2:15AM May 28, 2020Observed: 2.45 ft at 2:30AM May 28, 2020Observed: 2.46 ft at 2:45AM May 28, 2020Observed: 2.46 ft at 3:00AM May 28, 2020Observed: 2.45 ft at 3:15AM May 28, 2020Observed: 2.45 ft at 3:30AM May 28, 2020Observed: 2.45 ft at 3:45AM May 28, 2020Observed: 2.45 ft at 4:00AM May 28, 2020Observed: 2.45 ft at 4:15AM May 28, 2020Observed: 2.45 ft at 4:30AM May 28, 2020Observed: 2.44 ft at 4:45AM May 28, 2020Observed: 2.43 ft at 5:00AM May 28, 2020Observed: 2.44 ft at 5:15AM May 28, 2020Observed: 2.45 ft at 5:30AM May 28, 2020Observed: 2.45 ft at 5:45AM May 28, 2020Observed: 2.46 ft at 6:00AM May 28, 2020Observed: 2.46 ft at 6:15AM May 28, 2020Observed: 2.46 ft at 6:30AM May 28, 2020Observed: 2.46 ft at 6:45AM May 28, 2020Observed: 2.45 ft at 7:00AM May 28, 2020Observed: 2.45 ft at 7:15AM May 28, 2020Observed: 2.45 ft at 7:16AM May 28, 2020Observed: 2.45 ft at 7:30AM May 28, 2020Observed: 2.45 ft at 7:45AM May 28, 2020Observed: 2.45 ft at 8:00AM May 28, 2020Observed: 2.45 ft at 8:15AM May 28, 2020Observed: 2.45 ft at 8:30AM May 28, 2020Observed: 2.44 ft at 8:45AM May 28, 2020Observed: 2.44 ft at 9:00AM May 28, 2020Observed: 2.45 ft at 9:15AM May 28, 2020Observed: 2.45 ft at 9:30AM May 28, 2020Observed: 2.45 ft at 9:45AM May 28, 2020Observed: 2.44 ft at 10:00AM May 28, 2020Observed: 2.45 ft at 10:15AM May 28, 2020Observed: 2.45 ft at 10:30AM May 28, 2020Observed: 2.45 ft at 10:45AM May 28, 2020Observed: 2.44 ft at 11:00AM May 28, 2020Observed: 2.44 ft at 11:15AM May 28, 2020Observed: 2.44 ft at 11:30AM May 28, 2020Observed: 2.44 ft at 11:45AM May 28, 2020Observed: 2.84 ft at 12:00PM May 28, 2020Observed: 4.82 ft at 12:15PM May 28, 2020Observed: 6.02 ft at 12:30PM May 28, 2020Observed: 6.59 ft at 12:45PM May 28, 2020Observed: 6.69 ft at 1:00PM May 28, 2020Observed: 6.71 ft at 1:15PM May 28, 2020Observed: 6.71 ft at 1:16PM May 28, 2020Observed: 6.72 ft at 1:30PM May 28, 2020Observed: 6.73 ft at 1:45PM May 28, 2020Observed: 6.73 ft at 2:00PM May 28, 2020Observed: 6.73 ft at 2:15PM May 28, 2020Observed: 6.73 ft at 2:30PM May 28, 2020Observed: 6.72 ft at 2:45PM May 28, 2020Observed: 6.74 ft at 3:00PM May 28, 2020Observed: 6.74 ft at 3:15PM May 28, 2020Observed: 6.74 ft at 3:30PM May 28, 2020Observed: 6.74 ft at 3:45PM May 28, 2020Observed: 6.74 ft at 4:00PM May 28, 2020Observed: 6.73 ft at 4:15PM May 28, 2020Observed: 6.74 ft at 4:30PM May 28, 2020Observed: 6.74 ft at 4:45PM May 28, 2020Observed: 6.72 ft at 5:00PM May 28, 2020Observed: 6.74 ft at 5:15PM May 28, 2020Observed: 6.74 ft at 5:30PM May 28, 2020Observed: 6.74 ft at 5:45PM May 28, 2020Observed: 6.74 ft at 6:00PM May 28, 2020Observed: 6.73 ft at 6:15PM May 28, 2020Observed: 6.74 ft at 6:30PM May 28, 2020Observed: 6.74 ft at 6:45PM May 28, 2020Observed: 6.74 ft at 7:00PM May 28, 2020Observed: 6.75 ft at 7:15PM May 28, 2020Observed: 6.75 ft at 7:16PM May 28, 2020Observed: 6.74 ft at 7:30PM May 28, 2020Observed: 6.74 ft at 7:45PM May 28, 2020Observed: 6.75 ft at 8:00PM May 28, 2020Observed: 6.76 ft at 8:15PM May 28, 2020Observed: 6.76 ft at 8:30PM May 28, 2020Observed: 6.75 ft at 8:45PM May 28, 2020Observed: 6.38 ft at 9:00PM May 28, 2020Observed: 5.62 ft at 9:15PM May 28, 2020Observed: 4.56 ft at 9:30PM May 28, 2020Observed: 3.38 ft at 9:45PM May 28, 2020Observed: 2.91 ft at 10:00PM May 28, 2020Observed: 2.71 ft at 10:15PM May 28, 2020Observed: 2.6 ft at 10:30PM May 28, 2020Observed: 2.55 ft at 10:45PM May 28, 2020Observed: 2.53 ft at 11:00PM May 28, 2020Observed: 2.5 ft at 11:15PM May 28, 2020Observed: 2.46 ft at 11:30PM May 28, 2020Observed: 2.43 ft at 11:45PM May 28, 2020Observed: 2.42 ft at 12:00AM May 29, 2020Observed: 2.42 ft at 12:15AM May 29, 2020Observed: 2.41 ft at 12:30AM May 29, 2020Observed: 2.41 ft at 12:45AM May 29, 2020Observed: 2.41 ft at 1:00AM May 29, 2020Observed: 2.42 ft at 1:15AM May 29, 2020Observed: 2.42 ft at 1:16AM May 29, 2020Observed: 2.42 ft at 1:30AM May 29, 2020Observed: 2.41 ft at 1:45AM May 29, 2020Observed: 2.41 ft at 2:00AM May 29, 2020Observed: 2.41 ft at 2:15AM May 29, 2020Observed: 2.41 ft at 2:30AM May 29, 2020Observed: 2.41 ft at 2:45AM May 29, 2020Observed: 2.4 ft at 3:00AM May 29, 2020Observed: 2.4 ft at 3:15AM May 29, 2020Observed: 2.4 ft at 3:30AM May 29, 2020Observed: 2.4 ft at 3:45AM May 29, 2020Observed: 2.41 ft at 4:00AM May 29, 2020Observed: 2.41 ft at 4:15AM May 29, 2020Observed: 2.41 ft at 4:30AM May 29, 2020Observed: 2.4 ft at 4:45AM May 29, 2020Observed: 2.4 ft at 5:00AM May 29, 2020Observed: 2.39 ft at 5:15AM May 29, 2020Observed: 2.38 ft at 5:30AM May 29, 2020Observed: 2.38 ft at 5:45AM May 29, 2020Observed: 2.38 ft at 6:00AM May 29, 2020Observed: 2.38 ft at 6:15AM May 29, 2020Observed: 2.38 ft at 6:30AM May 29, 2020Observed: 2.36 ft at 6:45AM May 29, 2020Observed: 2.37 ft at 7:00AM May 29, 2020Observed: 2.37 ft at 7:15AM May 29, 2020Observed: 2.37 ft at 7:16AM May 29, 2020Observed: 2.38 ft at 7:30AM May 29, 2020Observed: 2.38 ft at 7:45AM May 29, 2020Observed: 2.38 ft at 8:00AM May 29, 2020Observed: 2.39 ft at 8:15AM May 29, 2020Observed: 2.39 ft at 8:30AM May 29, 2020Observed: 2.39 ft at 8:45AM May 29, 2020Observed: 2.39 ft at 9:00AM May 29, 2020Observed: 2.38 ft at 9:15AM May 29, 2020Observed: 2.38 ft at 9:30AM May 29, 2020Observed: 2.38 ft at 9:45AM May 29, 2020Observed: 2.38 ft at 10:00AM May 29, 2020Observed: 2.38 ft at 10:15AM May 29, 2020Observed: 2.38 ft at 10:30AM May 29, 2020Observed: 2.38 ft at 10:45AM May 29, 2020Observed: 2.38 ft at 11:00AM May 29, 2020Observed: 2.39 ft at 11:15AM May 29, 2020Observed: 2.38 ft at 11:30AM May 29, 2020Observed: 2.37 ft at 11:45AM May 29, 2020Observed: 2.38 ft at 12:00PM May 29, 2020Observed: 2.38 ft at 12:15PM May 29, 2020Observed: 2.39 ft at 12:30PM May 29, 2020Observed: 2.38 ft at 12:45PM May 29, 2020Observed: 2.38 ft at 1:00PM May 29, 2020Observed: 2.38 ft at 1:15PM May 29, 2020Observed: 2.38 ft at 1:16PM May 29, 2020Observed: 2.38 ft at 1:30PM May 29, 2020Observed: 2.38 ft at 1:45PM May 29, 2020Observed: 2.39 ft at 2:00PM May 29, 2020Observed: 2.4 ft at 2:15PM May 29, 2020Observed: 2.39 ft at 2:30PM May 29, 2020Observed: 2.38 ft at 2:45PM May 29, 2020Observed: 2.38 ft at 3:00PM May 29, 2020Observed: 3.55 ft at 3:15PM May 29, 2020Observed: 5.19 ft at 3:30PM May 29, 2020Observed: 6.35 ft at 3:45PM May 29, 2020Observed: 6.66 ft at 4:00PM May 29, 2020Observed: 6.7 ft at 4:15PM May 29, 2020Observed: 6.72 ft at 4:30PM May 29, 2020Observed: 6.73 ft at 4:45PM May 29, 2020Observed: 6.74 ft at 5:00PM May 29, 2020Observed: 6.75 ft at 5:15PM May 29, 2020Observed: 6.74 ft at 5:30PM May 29, 2020Observed: 6.74 ft at 5:45PM May 29, 2020Observed: 6.74 ft at 6:00PM May 29, 2020Observed: 6.75 ft at 6:15PM May 29, 2020Observed: 6.76 ft at 6:30PM May 29, 2020Observed: 6.75 ft at 6:45PM May 29, 2020Observed: 6.75 ft at 7:00PM May 29, 2020Observed: 6.76 ft at 7:15PM May 29, 2020Observed: 6.76 ft at 7:30PM May 29, 2020Highest Observation: 6.77 ft at 7:45PM May 29, 2020Observed: 6.38 ft at 8:00PM May 29, 2020Observed: 5.64 ft at 8:15PM May 29, 2020Observed: 4.52 ft at 8:30PM May 29, 2020Observed: 3.36 ft at 8:45PM May 29, 2020Observed: 2.91 ft at 9:00PM May 29, 2020Observed: 2.71 ft at 9:15PM May 29, 2020Observed: 2.61 ft at 9:30PM May 29, 2020Observed: 2.56 ft at 9:45PM May 29, 2020Observed: 2.53 ft at 10:00PM May 29, 2020Observed: 2.52 ft at 10:15PM May 29, 2020Observed: 2.5 ft at 10:30PM May 29, 2020Observed: 2.49 ft at 10:45PM May 29, 2020Observed: 2.49 ft at 11:00PM May 29, 2020Observed: 2.48 ft at 11:15PM May 29, 2020Observed: 2.48 ft at 11:30PM May 29, 2020Observed: 2.48 ft at 11:45PM May 29, 2020Observed: 2.48 ft at 12:00AM May 30, 2020Observed: 2.47 ft at 12:15AM May 30, 2020Observed: 2.47 ft at 12:30AM May 30, 2020Observed: 2.47 ft at 12:45AM May 30, 2020Observed: 2.47 ft at 1:00AM May 30, 2020Observed: 2.46 ft at 1:15AM May 30, 2020Observed: 2.44 ft at 1:30AM May 30, 2020Observed: 2.44 ft at 1:45AM May 30, 2020Observed: 2.43 ft at 2:00AM May 30, 2020Observed: 2.42 ft at 2:15AM May 30, 2020Observed: 2.43 ft at 2:30AM May 30, 2020Observed: 2.43 ft at 2:45AM May 30, 2020Observed: 2.42 ft at 3:00AM May 30, 2020Observed: 2.42 ft at 3:15AM May 30, 2020Observed: 2.42 ft at 3:30AM May 30, 2020Observed: 2.42 ft at 3:45AM May 30, 2020Observed: 2.42 ft at 4:00AM May 30, 2020Observed: 2.42 ft at 4:15AM May 30, 2020Observed: 2.43 ft at 4:30AM May 30, 2020Observed: 2.43 ft at 4:45AM May 30, 2020Observed: 2.43 ft at 5:00AM May 30, 2020Observed: 2.43 ft at 5:15AM May 30, 2020Observed: 2.43 ft at 5:30AM May 30, 2020Observed: 2.43 ft at 5:45AM May 30, 2020Observed: 2.43 ft at 6:00AM May 30, 2020Observed: 2.43 ft at 6:15AM May 30, 2020Observed: 2.43 ft at 6:30AM May 30, 2020Observed: 2.42 ft at 6:45AM May 30, 2020Observed: 2.42 ft at 7:00AM May 30, 2020Observed: 2.89 ft at 7:15AM May 30, 2020Observed: 2.89 ft at 7:16AM May 30, 2020Observed: 2.73 ft at 7:30AM May 30, 2020Highest Forecast: 5.3 ft 2:00PM May 30, 2020Forecast: 3.9 ft 8:00PM May 30, 2020Forecast: 3.9 ft 2:00AM May 31, 2020Forecast: 3.8 ft 8:00AM May 31, 2020Forecast: 3.8 ft 2:00PM May 31, 2020Forecast: 3.8 ft 8:00PM May 31, 2020Forecast: 3.8 ft 2:00AM Jun 01, 2020Forecast: 3.8 ft 8:00AM Jun 01, 2020USGS--Water Resources of the United StatesSTVC3(plotting HGIRG) Graph Created (8:30AM May 30, 2020)ObservedForecast (issued 11:02AM May 29)Latest observed value: 2.73 ft at 7:30 AM EDT 30-May-2020. Flood Stage is 11 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by power generation.

NOTE: Forecasts for the Housatonic River at Stevenson are issued routinely year-round.

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Upstream Gauge - at Lake Lillinonah Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 11
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 24.50 ft on 08/19/1955
(2) 24.50 ft on 10/16/1955
(3) 23.50 ft on 03/12/1936
(4) 22.36 ft on 05/30/1984
(5) 21.68 ft on 03/07/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.71 ft on 04/13/2020 (P)
(2) 12.06 ft on 12/14/2019 (P)
(3) 11.13 ft on 11/04/2018
(4) 12.44 ft on 11/03/2018
(5) 11.34 ft on 04/16/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.75 ft on 11/09/2002

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
20 Major flood stage with widespread inundation of low lying properties from Stevenson south to Bridgeport.
15 Moderate flood stage with numerous homes in the Maples area of Shelton affected.
11.5 Water reaches the Maples area of Shelton.
11 Flood stage.
9.5 Water reaches low lying areas in the Riverside neighborhood of Oxford.
8 The river is about a foot above the top end of normal generation levels.
7 The river is at the top end of normal generation levels.
2 The river is at the low end of normal generation levels.
About This Location Collapse

Latitude: 41.383889° N, Longitude: 73.168056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 24.98 ft 35.98 ft 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:
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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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
Albany Weather Forecast Office
251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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