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Hydrograph River at a Glance Download
Housatonic River at Stevenson Stage (ft)Flow (cfs)Observed: 6.53 ft at 2:45PM Sep 13, 2021Observed: 6.64 ft at 3:00PM Sep 13, 2021Observed: 6.67 ft at 3:15PM Sep 13, 2021Observed: 6.69 ft at 3:30PM Sep 13, 2021Observed: 6.7 ft at 3:45PM Sep 13, 2021Observed: 6.7 ft at 4:00PM Sep 13, 2021Observed: 6.7 ft at 4:15PM Sep 13, 2021Observed: 6.7 ft at 4:30PM Sep 13, 2021Observed: 6.71 ft at 4:45PM Sep 13, 2021Observed: 6.71 ft at 5:00PM Sep 13, 2021Observed: 6.71 ft at 5:15PM Sep 13, 2021Observed: 6.71 ft at 5:30PM Sep 13, 2021Observed: 6.71 ft at 5:45PM Sep 13, 2021Observed: 6.72 ft at 6:00PM Sep 13, 2021Observed: 6.72 ft at 6:15PM Sep 13, 2021Observed: 6.72 ft at 6:30PM Sep 13, 2021Observed: 6.71 ft at 6:45PM Sep 13, 2021Observed: 6.71 ft at 7:00PM Sep 13, 2021Observed: 6.73 ft at 7:15PM Sep 13, 2021Observed: 6.73 ft at 7:16PM Sep 13, 2021Observed: 6.72 ft at 7:30PM Sep 13, 2021Observed: 6.71 ft at 7:45PM Sep 13, 2021Observed: 6.7 ft at 8:00PM Sep 13, 2021Observed: 6.71 ft at 8:15PM Sep 13, 2021Observed: 6.69 ft at 8:30PM Sep 13, 2021Observed: 6.69 ft at 8:45PM Sep 13, 2021Observed: 6.7 ft at 9:00PM Sep 13, 2021Observed: 6.7 ft at 9:15PM Sep 13, 2021Observed: 6.7 ft at 9:30PM Sep 13, 2021Observed: 6.7 ft at 9:45PM Sep 13, 2021Observed: 6.7 ft at 10:00PM Sep 13, 2021Observed: 6.7 ft at 10:15PM Sep 13, 2021Observed: 6.71 ft at 10:30PM Sep 13, 2021Observed: 6.71 ft at 10:45PM Sep 13, 2021Observed: 6.7 ft at 11:00PM Sep 13, 2021Observed: 6.71 ft at 11:15PM Sep 13, 2021Observed: 6.71 ft at 11:30PM Sep 13, 2021Observed: 6.71 ft at 11:45PM Sep 13, 2021Observed: 6.71 ft at 12:00AM Sep 14, 2021Observed: 5.87 ft at 12:15AM Sep 14, 2021Observed: 4.78 ft at 12:30AM Sep 14, 2021Observed: 4.18 ft at 12:45AM Sep 14, 2021Observed: 4.15 ft at 1:00AM Sep 14, 2021Observed: 3.2 ft at 1:15AM Sep 14, 2021Observed: 2.81 ft at 1:30AM Sep 14, 2021Observed: 2.62 ft at 1:45AM Sep 14, 2021Observed: 2.53 ft at 2:00AM Sep 14, 2021Observed: 2.49 ft at 2:15AM Sep 14, 2021Observed: 2.47 ft at 2:30AM Sep 14, 2021Observed: 2.45 ft at 2:45AM Sep 14, 2021Observed: 2.43 ft at 3:00AM Sep 14, 2021Observed: 2.43 ft at 3:15AM Sep 14, 2021Observed: 2.42 ft at 3:30AM Sep 14, 2021Observed: 2.41 ft at 3:45AM Sep 14, 2021Observed: 2.41 ft at 4:00AM Sep 14, 2021Observed: 2.41 ft at 4:15AM Sep 14, 2021Observed: 2.41 ft at 4:30AM Sep 14, 2021Observed: 2.41 ft at 4:45AM Sep 14, 2021Observed: 2.42 ft at 5:00AM Sep 14, 2021Observed: 2.42 ft at 5:15AM Sep 14, 2021Observed: 2.42 ft at 5:30AM Sep 14, 2021Observed: 2.39 ft at 5:45AM Sep 14, 2021Observed: 2.37 ft at 6:00AM Sep 14, 2021Observed: 2.37 ft at 6:15AM Sep 14, 2021Observed: 2.36 ft at 6:30AM Sep 14, 2021Observed: 2.36 ft at 6:45AM Sep 14, 2021Observed: 2.35 ft at 7:00AM Sep 14, 2021Observed: 2.35 ft at 7:15AM Sep 14, 2021Observed: 2.34 ft at 7:30AM Sep 14, 2021Observed: 2.33 ft at 7:45AM Sep 14, 2021Observed: 2.34 ft at 8:00AM Sep 14, 2021Observed: 2.33 ft at 8:15AM Sep 14, 2021Observed: 2.33 ft at 8:30AM Sep 14, 2021Observed: 2.33 ft at 8:45AM Sep 14, 2021Observed: 2.33 ft at 9:00AM Sep 14, 2021Observed: 2.33 ft at 9:15AM Sep 14, 2021Observed: 2.34 ft at 9:30AM Sep 14, 2021Observed: 2.34 ft at 9:45AM Sep 14, 2021Observed: 2.35 ft at 10:00AM Sep 14, 2021Observed: 2.34 ft at 10:15AM Sep 14, 2021Observed: 2.34 ft at 10:30AM Sep 14, 2021Observed: 2.35 ft at 10:45AM Sep 14, 2021Observed: 2.46 ft at 11:00AM Sep 14, 2021Observed: 4.29 ft at 11:15AM Sep 14, 2021Observed: 5.63 ft at 11:30AM Sep 14, 2021Observed: 6.51 ft at 11:45AM Sep 14, 2021Observed: 6.63 ft at 12:00PM Sep 14, 2021Observed: 6.64 ft at 12:15PM Sep 14, 2021Observed: 6.66 ft at 12:30PM Sep 14, 2021Observed: 6.68 ft at 12:45PM Sep 14, 2021Observed: 6.68 ft at 1:00PM Sep 14, 2021Observed: 6.67 ft at 1:15PM Sep 14, 2021Observed: 6.69 ft at 1:30PM Sep 14, 2021Observed: 6.69 ft at 1:45PM Sep 14, 2021Observed: 6.69 ft at 2:00PM Sep 14, 2021Observed: 6.68 ft at 2:15PM Sep 14, 2021Observed: 6.68 ft at 2:30PM Sep 14, 2021Observed: 6.68 ft at 2:45PM Sep 14, 2021Observed: 6.69 ft at 3:00PM Sep 14, 2021Observed: 6.69 ft at 3:15PM Sep 14, 2021Observed: 6.69 ft at 3:30PM Sep 14, 2021Observed: 6.69 ft at 3:45PM Sep 14, 2021Observed: 6.69 ft at 4:00PM Sep 14, 2021Observed: 6.68 ft at 4:15PM Sep 14, 2021Observed: 6.69 ft at 4:30PM Sep 14, 2021Observed: 6.7 ft at 4:45PM Sep 14, 2021Observed: 6.69 ft at 5:00PM Sep 14, 2021Observed: 6.69 ft at 5:15PM Sep 14, 2021Observed: 6.69 ft at 5:30PM Sep 14, 2021Observed: 6.71 ft at 5:45PM Sep 14, 2021Observed: 6.72 ft at 6:00PM Sep 14, 2021Observed: 6.72 ft at 6:15PM Sep 14, 2021Observed: 6.72 ft at 6:30PM Sep 14, 2021Observed: 6.71 ft at 6:45PM Sep 14, 2021Observed: 6.72 ft at 7:00PM Sep 14, 2021Observed: 6.72 ft at 7:15PM Sep 14, 2021Observed: 6.72 ft at 7:16PM Sep 14, 2021Observed: 6.72 ft at 7:30PM Sep 14, 2021Observed: 6.72 ft at 7:45PM Sep 14, 2021Observed: 6.72 ft at 8:00PM Sep 14, 2021Observed: 6.73 ft at 8:15PM Sep 14, 2021Observed: 6.71 ft at 8:30PM Sep 14, 2021Observed: 6.71 ft at 8:45PM Sep 14, 2021Observed: 6.35 ft at 9:00PM Sep 14, 2021Observed: 5.65 ft at 9:15PM Sep 14, 2021Observed: 4.56 ft at 9:30PM Sep 14, 2021Observed: 4.31 ft at 9:45PM Sep 14, 2021Observed: 3.44 ft at 10:00PM Sep 14, 2021Observed: 2.92 ft at 10:15PM Sep 14, 2021Observed: 2.66 ft at 10:30PM Sep 14, 2021Observed: 2.53 ft at 10:45PM Sep 14, 2021Observed: 2.47 ft at 11:00PM Sep 14, 2021Observed: 2.44 ft at 11:15PM Sep 14, 2021Observed: 2.42 ft at 11:30PM Sep 14, 2021Observed: 2.41 ft at 11:45PM Sep 14, 2021Observed: 2.41 ft at 12:00AM Sep 15, 2021Observed: 3.21 ft at 12:15AM Sep 15, 2021Observed: 3.74 ft at 12:30AM Sep 15, 2021Observed: 3.11 ft at 12:45AM Sep 15, 2021Observed: 2.74 ft at 1:00AM Sep 15, 2021Observed: 2.57 ft at 1:15AM Sep 15, 2021Observed: 2.57 ft at 1:16AM Sep 15, 2021Observed: 2.5 ft at 1:30AM Sep 15, 2021Observed: 2.46 ft at 1:45AM Sep 15, 2021Observed: 2.43 ft at 2:00AM Sep 15, 2021Observed: 2.41 ft at 2:15AM Sep 15, 2021Observed: 2.41 ft at 2:30AM Sep 15, 2021Observed: 2.4 ft at 2:45AM Sep 15, 2021Observed: 2.4 ft at 3:00AM Sep 15, 2021Observed: 2.4 ft at 3:15AM Sep 15, 2021Observed: 2.41 ft at 3:30AM Sep 15, 2021Observed: 2.41 ft at 3:45AM Sep 15, 2021Observed: 2.4 ft at 4:00AM Sep 15, 2021Observed: 2.4 ft at 4:15AM Sep 15, 2021Observed: 2.4 ft at 4:30AM Sep 15, 2021Observed: 2.41 ft at 4:45AM Sep 15, 2021Observed: 2.41 ft at 5:00AM Sep 15, 2021Observed: 2.42 ft at 5:15AM Sep 15, 2021Observed: 2.4 ft at 5:30AM Sep 15, 2021Observed: 2.39 ft at 5:45AM Sep 15, 2021Observed: 2.73 ft at 6:00AM Sep 15, 2021Observed: 2.56 ft at 6:15AM Sep 15, 2021Observed: 2.46 ft at 6:30AM Sep 15, 2021Observed: 2.41 ft at 6:45AM Sep 15, 2021Observed: 2.38 ft at 7:00AM Sep 15, 2021Observed: 2.36 ft at 7:15AM Sep 15, 2021Observed: 2.34 ft at 7:30AM Sep 15, 2021Observed: 2.34 ft at 7:31AM Sep 15, 2021Observed: 2.33 ft at 7:45AM Sep 15, 2021Observed: 2.33 ft at 8:00AM Sep 15, 2021Observed: 2.33 ft at 8:15AM Sep 15, 2021Observed: 2.33 ft at 8:30AM Sep 15, 2021Observed: 2.34 ft at 8:45AM Sep 15, 2021Observed: 2.34 ft at 9:00AM Sep 15, 2021Observed: 2.34 ft at 9:15AM Sep 15, 2021Observed: 2.34 ft at 9:30AM Sep 15, 2021Observed: 2.34 ft at 9:45AM Sep 15, 2021Observed: 2.57 ft at 10:00AM Sep 15, 2021Observed: 4.57 ft at 10:15AM Sep 15, 2021Observed: 5.71 ft at 10:30AM Sep 15, 2021Observed: 6.48 ft at 10:45AM Sep 15, 2021Observed: 6.59 ft at 11:00AM Sep 15, 2021Observed: 6.61 ft at 11:15AM Sep 15, 2021Observed: 6.63 ft at 11:30AM Sep 15, 2021Observed: 6.64 ft at 11:45AM Sep 15, 2021Observed: 6.64 ft at 12:00PM Sep 15, 2021Observed: 6.64 ft at 12:15PM Sep 15, 2021Observed: 6.65 ft at 12:30PM Sep 15, 2021Observed: 6.66 ft at 12:45PM Sep 15, 2021Observed: 6.65 ft at 1:00PM Sep 15, 2021Observed: 6.65 ft at 1:15PM Sep 15, 2021Observed: 6.66 ft at 1:30PM Sep 15, 2021Observed: 6.66 ft at 1:31PM Sep 15, 2021Observed: 6.67 ft at 1:45PM Sep 15, 2021Observed: 6.66 ft at 2:00PM Sep 15, 2021Observed: 6.64 ft at 2:15PM Sep 15, 2021Observed: 6.65 ft at 2:30PM Sep 15, 2021Observed: 6.65 ft at 2:45PM Sep 15, 2021Observed: 6.65 ft at 3:00PM Sep 15, 2021Observed: 6.63 ft at 3:15PM Sep 15, 2021Observed: 6.64 ft at 3:30PM Sep 15, 2021Observed: 6.64 ft at 3:45PM Sep 15, 2021Observed: 6.64 ft at 4:00PM Sep 15, 2021Observed: 6.65 ft at 4:15PM Sep 15, 2021Observed: 6.65 ft at 4:30PM Sep 15, 2021Observed: 6.66 ft at 4:45PM Sep 15, 2021Observed: 6.66 ft at 5:00PM Sep 15, 2021Observed: 6.66 ft at 5:15PM Sep 15, 2021Observed: 6.66 ft at 5:30PM Sep 15, 2021Observed: 6.66 ft at 5:45PM Sep 15, 2021Observed: 6.65 ft at 6:00PM Sep 15, 2021Observed: 6.66 ft at 6:15PM Sep 15, 2021Observed: 6.66 ft at 6:30PM Sep 15, 2021Observed: 6.66 ft at 6:45PM Sep 15, 2021Observed: 6.66 ft at 7:00PM Sep 15, 2021Observed: 6.67 ft at 7:15PM Sep 15, 2021Observed: 6.67 ft at 7:30PM Sep 15, 2021Observed: 6.67 ft at 7:45PM Sep 15, 2021Observed: 6.67 ft at 8:00PM Sep 15, 2021Observed: 6.66 ft at 8:15PM Sep 15, 2021Observed: 6.66 ft at 8:30PM Sep 15, 2021Observed: 6.66 ft at 8:45PM Sep 15, 2021Observed: 6.64 ft at 9:00PM Sep 15, 2021Observed: 6.65 ft at 9:15PM Sep 15, 2021Observed: 6.66 ft at 9:30PM Sep 15, 2021Observed: 6.65 ft at 9:45PM Sep 15, 2021Observed: 6.64 ft at 10:00PM Sep 15, 2021Observed: 6.64 ft at 10:15PM Sep 15, 2021Observed: 6.64 ft at 10:30PM Sep 15, 2021Observed: 6.66 ft at 10:45PM Sep 15, 2021Observed: 6.66 ft at 11:00PM Sep 15, 2021Observed: 6.65 ft at 11:15PM Sep 15, 2021Observed: 6.66 ft at 11:30PM Sep 15, 2021Observed: 6.65 ft at 11:45PM Sep 15, 2021Observed: 6.65 ft at 12:00AM Sep 16, 2021Observed: 5.87 ft at 12:15AM Sep 16, 2021Observed: 4.95 ft at 12:30AM Sep 16, 2021Observed: 4.11 ft at 12:45AM Sep 16, 2021Observed: 4.11 ft at 1:00AM Sep 16, 2021Observed: 3.22 ft at 1:15AM Sep 16, 2021Observed: 2.81 ft at 1:30AM Sep 16, 2021Observed: 2.81 ft at 1:31AM Sep 16, 2021Observed: 2.61 ft at 1:45AM Sep 16, 2021Observed: 2.51 ft at 2:00AM Sep 16, 2021Observed: 2.47 ft at 2:15AM Sep 16, 2021Observed: 2.44 ft at 2:30AM Sep 16, 2021Observed: 2.42 ft at 2:45AM Sep 16, 2021Observed: 2.41 ft at 3:00AM Sep 16, 2021Observed: 2.42 ft at 3:15AM Sep 16, 2021Observed: 2.41 ft at 3:30AM Sep 16, 2021Observed: 2.41 ft at 3:45AM Sep 16, 2021Observed: 2.4 ft at 4:00AM Sep 16, 2021Observed: 2.4 ft at 4:15AM Sep 16, 2021Observed: 2.4 ft at 4:30AM Sep 16, 2021Observed: 2.4 ft at 4:45AM Sep 16, 2021Observed: 2.4 ft at 5:00AM Sep 16, 2021Observed: 2.4 ft at 5:15AM Sep 16, 2021Observed: 2.39 ft at 5:30AM Sep 16, 2021Observed: 2.39 ft at 5:45AM Sep 16, 2021Observed: 2.38 ft at 6:00AM Sep 16, 2021Observed: 2.39 ft at 6:15AM Sep 16, 2021Observed: 2.39 ft at 6:30AM Sep 16, 2021Observed: 2.39 ft at 6:45AM Sep 16, 2021Observed: 2.38 ft at 7:00AM Sep 16, 2021Observed: 3.3 ft at 7:15AM Sep 16, 2021Observed: 3.83 ft at 7:30AM Sep 16, 2021Observed: 4.06 ft at 7:45AM Sep 16, 2021Observed: 3.53 ft at 8:00AM Sep 16, 2021Observed: 2.92 ft at 8:15AM Sep 16, 2021Observed: 2.66 ft at 8:30AM Sep 16, 2021Observed: 2.52 ft at 8:45AM Sep 16, 2021Observed: 2.46 ft at 9:00AM Sep 16, 2021Observed: 2.43 ft at 9:15AM Sep 16, 2021Observed: 2.41 ft at 9:30AM Sep 16, 2021Observed: 2.4 ft at 9:45AM Sep 16, 2021Observed: 2.4 ft at 10:00AM Sep 16, 2021Observed: 3.29 ft at 10:15AM Sep 16, 2021Observed: 4.69 ft at 10:30AM Sep 16, 2021Observed: 5.37 ft at 10:45AM Sep 16, 2021Observed: 6.46 ft at 11:00AM Sep 16, 2021Observed: 6.65 ft at 11:15AM Sep 16, 2021Observed: 6.7 ft at 11:30AM Sep 16, 2021Observed: 6.73 ft at 11:45AM Sep 16, 2021Highest Observation: 6.74 ft at 12:00PM Sep 16, 2021Observed: 6.73 ft at 12:15PM Sep 16, 2021Observed: 6.73 ft at 12:30PM Sep 16, 2021Highest Observation: 6.74 ft at 12:45PM Sep 16, 2021Highest Observation: 6.74 ft at 1:00PM Sep 16, 2021Observed: 6.73 ft at 1:15PM Sep 16, 2021Highest Observation: 6.74 ft at 1:30PM Sep 16, 2021Highest Forecast: 6.8 ft 8:00PM Sep 16, 2021Forecast: 2 ft 2:00AM Sep 17, 2021Forecast: 4 ft 8:00AM Sep 17, 2021Forecast: 5 ft 2:00PM Sep 17, 2021Forecast: 5.3 ft 8:00PM Sep 17, 2021Forecast: 5.4 ft 2:00AM Sep 18, 2021Forecast: 4.6 ft 8:00AM Sep 18, 2021Forecast: 4.6 ft 2:00PM Sep 18, 2021Forecast: 4.6 ft 8:00PM Sep 18, 2021Forecast: 4.6 ft 2:00AM Sep 19, 2021Forecast: 4.5 ft 8:00AM Sep 19, 2021USGS--Water Resources of the United StatesSTVC3(plotting HGIRG) Graph Created (2:30PM Sep 16, 2021)ObservedForecast (issued 11:27AM Sep 16)Latest observed value: 6.74 ft at 1:30 PM EDT 16-Sep-2021. Flood Stage is 11 ft
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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 10/16/1955
(2) 24.50 ft on 08/19/1955
(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) 12.31 ft on 12/25/2020 (P)
(2) 11.71 ft on 04/13/2020 (P)
(3) 12.06 ft on 12/14/2019 (P)
(4) 11.13 ft on 11/04/2018
(5) 12.44 ft on 11/03/2018
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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