Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Naugatuck River at Beacon Falls Stage (ft)Flow (kcfs)Observed: 3 ft at 4:45PM Mar 28, 2020Observed: 2.98 ft at 5:00PM Mar 28, 2020Observed: 2.98 ft at 5:15PM Mar 28, 2020Observed: 3 ft at 5:30PM Mar 28, 2020Observed: 3 ft at 5:45PM Mar 28, 2020Observed: 2.99 ft at 6:00PM Mar 28, 2020Observed: 2.99 ft at 6:15PM Mar 28, 2020Observed: 2.99 ft at 6:30PM Mar 28, 2020Observed: 2.99 ft at 6:35PM Mar 28, 2020Observed: 2.98 ft at 6:45PM Mar 28, 2020Observed: 2.98 ft at 7:00PM Mar 28, 2020Observed: 2.99 ft at 7:15PM Mar 28, 2020Observed: 2.97 ft at 7:30PM Mar 28, 2020Observed: 2.99 ft at 7:45PM Mar 28, 2020Observed: 2.99 ft at 8:00PM Mar 28, 2020Observed: 3.02 ft at 8:15PM Mar 28, 2020Observed: 3.02 ft at 8:30PM Mar 28, 2020Observed: 3.02 ft at 8:45PM Mar 28, 2020Observed: 3.02 ft at 9:00PM Mar 28, 2020Observed: 3.02 ft at 9:15PM Mar 28, 2020Observed: 3.04 ft at 9:30PM Mar 28, 2020Observed: 3.04 ft at 9:45PM Mar 28, 2020Observed: 3.06 ft at 10:00PM Mar 28, 2020Observed: 3.06 ft at 10:15PM Mar 28, 2020Observed: 3.08 ft at 10:30PM Mar 28, 2020Observed: 3.06 ft at 10:45PM Mar 28, 2020Observed: 3.08 ft at 11:00PM Mar 28, 2020Observed: 3.09 ft at 11:15PM Mar 28, 2020Observed: 3.08 ft at 11:30PM Mar 28, 2020Observed: 3.12 ft at 11:45PM Mar 28, 2020Observed: 3.14 ft at 12:00AM Mar 29, 2020Observed: 3.14 ft at 12:15AM Mar 29, 2020Observed: 3.15 ft at 12:30AM Mar 29, 2020Observed: 3.15 ft at 12:35AM Mar 29, 2020Observed: 3.19 ft at 12:45AM Mar 29, 2020Observed: 3.22 ft at 1:00AM Mar 29, 2020Observed: 3.25 ft at 1:15AM Mar 29, 2020Observed: 3.25 ft at 1:30AM Mar 29, 2020Observed: 3.27 ft at 1:45AM Mar 29, 2020Observed: 3.27 ft at 2:00AM Mar 29, 2020Observed: 3.28 ft at 2:15AM Mar 29, 2020Observed: 3.3 ft at 2:30AM Mar 29, 2020Observed: 3.3 ft at 2:45AM Mar 29, 2020Observed: 3.32 ft at 3:00AM Mar 29, 2020Observed: 3.32 ft at 3:15AM Mar 29, 2020Observed: 3.33 ft at 3:30AM Mar 29, 2020Observed: 3.33 ft at 3:45AM Mar 29, 2020Observed: 3.34 ft at 4:00AM Mar 29, 2020Observed: 3.34 ft at 4:15AM Mar 29, 2020Observed: 3.36 ft at 4:30AM Mar 29, 2020Observed: 3.36 ft at 4:45AM Mar 29, 2020Observed: 3.39 ft at 5:00AM Mar 29, 2020Observed: 3.4 ft at 5:15AM Mar 29, 2020Observed: 3.41 ft at 5:30AM Mar 29, 2020Observed: 3.4 ft at 5:45AM Mar 29, 2020Observed: 3.39 ft at 6:00AM Mar 29, 2020Observed: 3.41 ft at 6:15AM Mar 29, 2020Observed: 3.42 ft at 6:30AM Mar 29, 2020Observed: 3.42 ft at 6:31AM Mar 29, 2020Observed: 3.46 ft at 6:45AM Mar 29, 2020Observed: 3.47 ft at 7:00AM Mar 29, 2020Observed: 3.48 ft at 7:15AM Mar 29, 2020Observed: 3.47 ft at 7:30AM Mar 29, 2020Observed: 3.5 ft at 7:45AM Mar 29, 2020Observed: 3.52 ft at 8:00AM Mar 29, 2020Observed: 3.53 ft at 8:15AM Mar 29, 2020Observed: 3.55 ft at 8:30AM Mar 29, 2020Observed: 3.54 ft at 8:45AM Mar 29, 2020Observed: 3.56 ft at 9:00AM Mar 29, 2020Observed: 3.58 ft at 9:15AM Mar 29, 2020Observed: 3.59 ft at 9:30AM Mar 29, 2020Observed: 3.61 ft at 9:45AM Mar 29, 2020Observed: 3.61 ft at 10:00AM Mar 29, 2020Observed: 3.61 ft at 10:15AM Mar 29, 2020Observed: 3.61 ft at 10:30AM Mar 29, 2020Observed: 3.61 ft at 10:45AM Mar 29, 2020Observed: 3.63 ft at 11:00AM Mar 29, 2020Observed: 3.65 ft at 11:15AM Mar 29, 2020Observed: 3.66 ft at 11:30AM Mar 29, 2020Observed: 3.67 ft at 11:45AM Mar 29, 2020Observed: 3.68 ft at 12:00PM Mar 29, 2020Observed: 3.72 ft at 12:15PM Mar 29, 2020Observed: 3.75 ft at 12:30PM Mar 29, 2020Observed: 3.75 ft at 12:31PM Mar 29, 2020Observed: 3.76 ft at 12:45PM Mar 29, 2020Observed: 3.77 ft at 1:00PM Mar 29, 2020Observed: 3.79 ft at 1:15PM Mar 29, 2020Observed: 3.8 ft at 1:30PM Mar 29, 2020Observed: 3.89 ft at 1:45PM Mar 29, 2020Observed: 3.92 ft at 2:00PM Mar 29, 2020Observed: 3.96 ft at 2:15PM Mar 29, 2020Observed: 3.99 ft at 2:30PM Mar 29, 2020Observed: 4 ft at 2:45PM Mar 29, 2020Observed: 4.02 ft at 3:00PM Mar 29, 2020Observed: 4.03 ft at 3:15PM Mar 29, 2020Observed: 4.06 ft at 3:30PM Mar 29, 2020Observed: 4.04 ft at 3:45PM Mar 29, 2020Observed: 4.06 ft at 4:00PM Mar 29, 2020Observed: 4.07 ft at 4:15PM Mar 29, 2020Observed: 4.05 ft at 4:30PM Mar 29, 2020Observed: 4.06 ft at 4:45PM Mar 29, 2020Observed: 4.07 ft at 5:00PM Mar 29, 2020Observed: 4.05 ft at 5:15PM Mar 29, 2020Observed: 4.05 ft at 5:30PM Mar 29, 2020Observed: 4.04 ft at 5:45PM Mar 29, 2020Observed: 4.07 ft at 6:00PM Mar 29, 2020Observed: 4.06 ft at 6:15PM Mar 29, 2020Observed: 4.06 ft at 6:30PM Mar 29, 2020Observed: 4.06 ft at 6:31PM Mar 29, 2020Observed: 4.07 ft at 6:45PM Mar 29, 2020Observed: 4.1 ft at 7:00PM Mar 29, 2020Observed: 4.09 ft at 7:15PM Mar 29, 2020Observed: 4.08 ft at 7:30PM Mar 29, 2020Observed: 4.11 ft at 7:45PM Mar 29, 2020Observed: 4.09 ft at 8:00PM Mar 29, 2020Observed: 4.1 ft at 8:15PM Mar 29, 2020Observed: 4.12 ft at 8:30PM Mar 29, 2020Observed: 4.13 ft at 8:45PM Mar 29, 2020Observed: 4.1 ft at 9:00PM Mar 29, 2020Observed: 4.14 ft at 9:15PM Mar 29, 2020Observed: 4.14 ft at 9:30PM Mar 29, 2020Highest Observation: 4.16 ft at 9:45PM Mar 29, 2020Observed: 4.11 ft at 10:00PM Mar 29, 2020Observed: 4.14 ft at 10:15PM Mar 29, 2020Highest Observation: 4.16 ft at 10:30PM Mar 29, 2020Observed: 4.15 ft at 10:45PM Mar 29, 2020Observed: 4.14 ft at 11:00PM Mar 29, 2020Observed: 4.14 ft at 11:15PM Mar 29, 2020Observed: 4.15 ft at 11:30PM Mar 29, 2020Observed: 4.14 ft at 11:45PM Mar 29, 2020Observed: 4.13 ft at 12:00AM Mar 30, 2020Observed: 4.14 ft at 12:15AM Mar 30, 2020Observed: 4.12 ft at 12:30AM Mar 30, 2020Observed: 4.12 ft at 12:31AM Mar 30, 2020Observed: 4.12 ft at 12:45AM Mar 30, 2020Observed: 4.09 ft at 1:00AM Mar 30, 2020Observed: 4.12 ft at 1:15AM Mar 30, 2020Observed: 4.11 ft at 1:30AM Mar 30, 2020Observed: 4.1 ft at 1:45AM Mar 30, 2020Observed: 4.09 ft at 2:00AM Mar 30, 2020Observed: 4.09 ft at 2:15AM Mar 30, 2020Observed: 4.08 ft at 2:30AM Mar 30, 2020Observed: 4.05 ft at 2:45AM Mar 30, 2020Observed: 4.08 ft at 3:00AM Mar 30, 2020Observed: 4.05 ft at 3:15AM Mar 30, 2020Observed: 4.04 ft at 3:30AM Mar 30, 2020Observed: 4.02 ft at 3:45AM Mar 30, 2020Observed: 4.04 ft at 4:00AM Mar 30, 2020Observed: 4.03 ft at 4:15AM Mar 30, 2020Observed: 4.02 ft at 4:30AM Mar 30, 2020Observed: 4.02 ft at 4:45AM Mar 30, 2020Observed: 4.02 ft at 5:00AM Mar 30, 2020Observed: 4.01 ft at 5:15AM Mar 30, 2020Observed: 4.01 ft at 5:30AM Mar 30, 2020Observed: 4 ft at 5:45AM Mar 30, 2020Observed: 4 ft at 6:00AM Mar 30, 2020Observed: 4 ft at 6:15AM Mar 30, 2020Observed: 4 ft at 6:30AM Mar 30, 2020Observed: 4 ft at 6:34AM Mar 30, 2020Observed: 4 ft at 6:45AM Mar 30, 2020Observed: 3.95 ft at 7:00AM Mar 30, 2020Observed: 3.98 ft at 7:15AM Mar 30, 2020Observed: 3.96 ft at 7:30AM Mar 30, 2020Observed: 3.97 ft at 7:45AM Mar 30, 2020Observed: 3.98 ft at 8:00AM Mar 30, 2020Observed: 3.94 ft at 8:15AM Mar 30, 2020Observed: 3.97 ft at 8:30AM Mar 30, 2020Observed: 3.97 ft at 8:45AM Mar 30, 2020Observed: 3.95 ft at 9:00AM Mar 30, 2020Observed: 3.96 ft at 9:15AM Mar 30, 2020Observed: 3.99 ft at 9:30AM Mar 30, 2020Observed: 3.95 ft at 9:45AM Mar 30, 2020Observed: 3.95 ft at 10:00AM Mar 30, 2020Observed: 3.94 ft at 10:15AM Mar 30, 2020Observed: 3.95 ft at 10:30AM Mar 30, 2020Observed: 3.93 ft at 10:45AM Mar 30, 2020Observed: 3.91 ft at 11:00AM Mar 30, 2020Observed: 3.93 ft at 11:15AM Mar 30, 2020Observed: 3.91 ft at 11:30AM Mar 30, 2020Observed: 3.91 ft at 11:45AM Mar 30, 2020Observed: 3.92 ft at 12:00PM Mar 30, 2020Observed: 3.91 ft at 12:15PM Mar 30, 2020Observed: 3.9 ft at 12:30PM Mar 30, 2020Observed: 3.9 ft at 12:34PM Mar 30, 2020Observed: 3.9 ft at 12:45PM Mar 30, 2020Observed: 3.9 ft at 1:00PM Mar 30, 2020Observed: 3.9 ft at 1:15PM Mar 30, 2020Observed: 3.85 ft at 1:30PM Mar 30, 2020Observed: 3.85 ft at 1:45PM Mar 30, 2020Observed: 3.85 ft at 2:00PM Mar 30, 2020Observed: 3.85 ft at 2:15PM Mar 30, 2020Observed: 3.85 ft at 2:30PM Mar 30, 2020Observed: 3.85 ft at 2:45PM Mar 30, 2020Observed: 3.85 ft at 3:00PM Mar 30, 2020Observed: 3.85 ft at 3:15PM Mar 30, 2020Observed: 3.83 ft at 3:30PM Mar 30, 2020Highest Forecast: 3.9 ft 8:00PM Mar 30, 2020Highest Forecast: 3.9 ft 2:00AM Mar 31, 2020Forecast: 3.7 ft 8:00AM Mar 31, 2020Forecast: 3.5 ft 2:00PM Mar 31, 2020Forecast: 3.4 ft 8:00PM Mar 31, 2020Forecast: 3.2 ft 2:00AM Apr 01, 2020Forecast: 3.2 ft 8:00AM Apr 01, 2020Forecast: 3.1 ft 2:00PM Apr 01, 2020Forecast: 3 ft 8:00PM Apr 01, 2020Forecast: 3 ft 2:00AM Apr 02, 2020Forecast: 2.9 ft 8:00AM Apr 02, 2020USGS--Water Resources of the United StatesBEAC3(plotting HGIRG) Graph Created (4:31PM Mar 30, 2020)ObservedForecast (issued 11:53AM Mar 30)Latest observed value: 3.83 ft at 3:30 PM EDT 30-Mar-2020. Flood Stage is 12 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts for the Naugatuck River at Beacon Falls are issued routinely year-round.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 13
Flood Stage: 12
Action Stage: 11.5
Low Stage (in feet): -9999

Historic Crests
(1) 25.70 ft on 08/19/1955
(2) 14.36 ft on 08/28/2011
(3) 14.10 ft on 03/12/1936
(4) 13.78 ft on 01/25/1979
(5) 12.95 ft on 06/05/1982
(6) 12.60 ft on 03/07/2011
(7) 12.21 ft on 04/23/2006
(8) 12.10 ft on 04/16/2007
(9) 12.08 ft on 04/07/1924

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.36 ft on 08/28/2011
(2) 12.60 ft on 03/07/2011
(3) 12.10 ft on 04/16/2007
(4) 12.21 ft on 04/23/2006
(5) 12.95 ft on 06/05/1982
(6) 13.78 ft on 01/25/1979
(7) 25.70 ft on 08/19/1955
(8) 14.10 ft on 03/12/1936
(9) 12.08 ft on 04/07/1924

(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:15
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
21 Flooding begins along Route 8 from the Naugatuck Town Line downstream to the Seymour Town Line.
20 The river level just touches the underside of the bridge on Bridge Street.
12 Flooding begins in the upstream towns of Waterbury and Naugatuck.
About This Location Collapse

Latitude: 41.442222° N, Longitude: 73.063056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 29 117.28 ft 129.28 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.

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
National Weather Service
Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:35 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities