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Hydrograph River at a Glance Download
Great Chazy River at Perry Mills Stage (ft)Flow (kcfs)Observed: 3.25 ft at 6:30AM May 07, 2024Observed: 3.25 ft at 6:45AM May 07, 2024Observed: 3.24 ft at 7:00AM May 07, 2024Observed: 3.24 ft at 7:15AM May 07, 2024Observed: 3.24 ft at 7:30AM May 07, 2024Observed: 3.23 ft at 7:45AM May 07, 2024Observed: 3.23 ft at 8:00AM May 07, 2024Observed: 3.22 ft at 8:15AM May 07, 2024Observed: 3.22 ft at 8:30AM May 07, 2024Observed: 3.22 ft at 8:45AM May 07, 2024Observed: 3.21 ft at 9:00AM May 07, 2024Observed: 3.21 ft at 9:15AM May 07, 2024Observed: 3.2 ft at 9:30AM May 07, 2024Observed: 3.2 ft at 9:45AM May 07, 2024Observed: 3.19 ft at 10:00AM May 07, 2024Observed: 3.19 ft at 10:15AM May 07, 2024Observed: 3.18 ft at 10:30AM May 07, 2024Observed: 3.18 ft at 10:45AM May 07, 2024Observed: 3.17 ft at 11:00AM May 07, 2024Observed: 3.17 ft at 11:15AM May 07, 2024Observed: 3.17 ft at 11:30AM May 07, 2024Observed: 3.16 ft at 11:45AM May 07, 2024Observed: 3.16 ft at 12:00PM May 07, 2024Observed: 3.16 ft at 12:15PM May 07, 2024Observed: 3.15 ft at 12:30PM May 07, 2024Observed: 3.15 ft at 12:45PM May 07, 2024Observed: 3.14 ft at 1:00PM May 07, 2024Observed: 3.12 ft at 3:15PM May 07, 2024Observed: 3.11 ft at 3:30PM May 07, 2024Observed: 3.11 ft at 3:45PM May 07, 2024Observed: 3.1 ft at 4:00PM May 07, 2024Observed: 3.1 ft at 4:15PM May 07, 2024Observed: 3.1 ft at 4:30PM May 07, 2024Observed: 3.1 ft at 4:45PM May 07, 2024Observed: 3.1 ft at 5:00PM May 07, 2024Observed: 3.09 ft at 5:15PM May 07, 2024Observed: 3.09 ft at 5:30PM May 07, 2024Observed: 3.09 ft at 5:45PM May 07, 2024Observed: 3.08 ft at 6:00PM May 07, 2024Observed: 3.08 ft at 6:15PM May 07, 2024Observed: 3.07 ft at 6:30PM May 07, 2024Observed: 3.07 ft at 6:45PM May 07, 2024Observed: 3.07 ft at 7:00PM May 07, 2024Observed: 3.06 ft at 7:15PM May 07, 2024Observed: 3.06 ft at 7:30PM May 07, 2024Observed: 3.06 ft at 7:45PM May 07, 2024Observed: 3.05 ft at 8:00PM May 07, 2024Observed: 3.05 ft at 8:15PM May 07, 2024Observed: 3.05 ft at 8:30PM May 07, 2024Observed: 3.04 ft at 8:45PM May 07, 2024Observed: 3.04 ft at 9:00PM May 07, 2024Observed: 3.04 ft at 9:15PM May 07, 2024Observed: 3.03 ft at 9:30PM May 07, 2024Observed: 3.03 ft at 9:45PM May 07, 2024Observed: 3.03 ft at 10:00PM May 07, 2024Observed: 3.03 ft at 10:15PM May 07, 2024Observed: 3.02 ft at 10:30PM May 07, 2024Observed: 3.02 ft at 10:45PM May 07, 2024Observed: 3.02 ft at 11:00PM May 07, 2024Observed: 3.02 ft at 11:15PM May 07, 2024Observed: 3.02 ft at 11:30PM May 07, 2024Observed: 3.02 ft at 11:45PM May 07, 2024Observed: 3.01 ft at 12:00AM May 08, 2024Observed: 3.01 ft at 12:15AM May 08, 2024Observed: 3.01 ft at 12:30AM May 08, 2024Observed: 3.01 ft at 12:45AM May 08, 2024Observed: 3.01 ft at 1:00AM May 08, 2024Observed: 3.01 ft at 1:15AM May 08, 2024Observed: 3.01 ft at 1:30AM May 08, 2024Observed: 3 ft at 1:45AM May 08, 2024Observed: 3 ft at 2:00AM May 08, 2024Observed: 3 ft at 2:15AM May 08, 2024Observed: 3 ft at 2:30AM May 08, 2024Observed: 2.99 ft at 2:45AM May 08, 2024Observed: 2.99 ft at 3:00AM May 08, 2024Observed: 2.99 ft at 3:15AM May 08, 2024Observed: 2.98 ft at 3:30AM May 08, 2024Observed: 2.98 ft at 3:45AM May 08, 2024Observed: 2.98 ft at 4:00AM May 08, 2024Observed: 2.97 ft at 4:15AM May 08, 2024Observed: 2.97 ft at 4:30AM May 08, 2024Observed: 2.96 ft at 4:45AM May 08, 2024Observed: 2.96 ft at 5:00AM May 08, 2024Observed: 2.96 ft at 5:15AM May 08, 2024Observed: 2.96 ft at 5:30AM May 08, 2024Observed: 2.96 ft at 5:45AM May 08, 2024Observed: 2.95 ft at 6:00AM May 08, 2024Observed: 2.95 ft at 6:15AM May 08, 2024Observed: 2.95 ft at 6:30AM May 08, 2024Observed: 2.94 ft at 6:45AM May 08, 2024Observed: 2.94 ft at 7:00AM May 08, 2024Observed: 2.94 ft at 7:15AM May 08, 2024Observed: 2.94 ft at 7:30AM May 08, 2024Observed: 2.93 ft at 7:45AM May 08, 2024Observed: 2.93 ft at 8:00AM May 08, 2024Observed: 2.93 ft at 8:15AM May 08, 2024Observed: 2.92 ft at 8:30AM May 08, 2024Observed: 2.92 ft at 8:45AM May 08, 2024Observed: 2.92 ft at 9:00AM May 08, 2024Observed: 2.92 ft at 9:15AM May 08, 2024Observed: 2.91 ft at 9:30AM May 08, 2024Observed: 2.91 ft at 9:45AM May 08, 2024Observed: 2.91 ft at 10:00AM May 08, 2024Observed: 2.91 ft at 10:15AM May 08, 2024Observed: 2.9 ft at 10:30AM May 08, 2024Observed: 2.9 ft at 10:45AM May 08, 2024Observed: 2.91 ft at 11:00AM May 08, 2024Observed: 2.92 ft at 11:15AM May 08, 2024Observed: 2.93 ft at 11:30AM May 08, 2024Observed: 2.93 ft at 11:45AM May 08, 2024Observed: 2.93 ft at 12:00PM May 08, 2024Observed: 2.92 ft at 12:15PM May 08, 2024Observed: 2.92 ft at 12:30PM May 08, 2024Observed: 2.91 ft at 12:45PM May 08, 2024Observed: 2.91 ft at 1:00PM May 08, 2024Observed: 2.91 ft at 1:15PM May 08, 2024Observed: 2.91 ft at 1:30PM May 08, 2024Observed: 2.91 ft at 1:45PM May 08, 2024Observed: 2.91 ft at 2:00PM May 08, 2024Observed: 2.91 ft at 2:15PM May 08, 2024Observed: 2.92 ft at 2:30PM May 08, 2024Observed: 2.92 ft at 2:45PM May 08, 2024Observed: 2.92 ft at 3:00PM May 08, 2024Observed: 2.93 ft at 3:15PM May 08, 2024Observed: 2.93 ft at 3:30PM May 08, 2024Observed: 2.93 ft at 3:45PM May 08, 2024Observed: 2.94 ft at 4:00PM May 08, 2024Observed: 2.94 ft at 4:15PM May 08, 2024Observed: 2.94 ft at 4:30PM May 08, 2024Observed: 2.94 ft at 4:45PM May 08, 2024Observed: 2.95 ft at 5:00PM May 08, 2024Observed: 2.95 ft at 5:15PM May 08, 2024Observed: 2.95 ft at 5:30PM May 08, 2024Observed: 2.96 ft at 5:45PM May 08, 2024Observed: 2.96 ft at 6:00PM May 08, 2024Observed: 2.96 ft at 6:15PM May 08, 2024Observed: 2.97 ft at 6:30PM May 08, 2024Observed: 2.97 ft at 6:45PM May 08, 2024Observed: 2.97 ft at 7:00PM May 08, 2024Observed: 2.98 ft at 7:15PM May 08, 2024Observed: 2.98 ft at 7:30PM May 08, 2024Observed: 2.99 ft at 7:45PM May 08, 2024Observed: 2.99 ft at 8:00PM May 08, 2024Observed: 3 ft at 8:15PM May 08, 2024Observed: 3 ft at 8:30PM May 08, 2024Observed: 3.01 ft at 8:45PM May 08, 2024Observed: 3.01 ft at 9:00PM May 08, 2024Observed: 3.02 ft at 9:15PM May 08, 2024Observed: 3.02 ft at 9:30PM May 08, 2024Observed: 3.03 ft at 9:45PM May 08, 2024Observed: 3.03 ft at 10:00PM May 08, 2024Observed: 3.04 ft at 10:15PM May 08, 2024Observed: 3.04 ft at 10:30PM May 08, 2024Observed: 3.04 ft at 10:45PM May 08, 2024Observed: 3.05 ft at 11:00PM May 08, 2024Observed: 3.05 ft at 11:15PM May 08, 2024Observed: 3.06 ft at 11:30PM May 08, 2024Observed: 3.07 ft at 11:45PM May 08, 2024Observed: 3.08 ft at 12:00AM May 09, 2024Observed: 3.08 ft at 12:15AM May 09, 2024Observed: 3.08 ft at 12:30AM May 09, 2024Observed: 3.09 ft at 12:45AM May 09, 2024Observed: 3.1 ft at 1:00AM May 09, 2024Observed: 3.1 ft at 1:15AM May 09, 2024Observed: 3.11 ft at 1:30AM May 09, 2024Observed: 3.12 ft at 1:45AM May 09, 2024Observed: 3.13 ft at 2:00AM May 09, 2024Observed: 3.13 ft at 2:15AM May 09, 2024Observed: 3.14 ft at 2:30AM May 09, 2024Observed: 3.15 ft at 2:45AM May 09, 2024Observed: 3.16 ft at 3:00AM May 09, 2024Observed: 3.16 ft at 3:15AM May 09, 2024Observed: 3.17 ft at 3:30AM May 09, 2024Observed: 3.18 ft at 3:45AM May 09, 2024Observed: 3.18 ft at 4:00AM May 09, 2024Observed: 3.19 ft at 4:15AM May 09, 2024Observed: 3.2 ft at 4:30AM May 09, 2024Observed: 3.21 ft at 4:45AM May 09, 2024Observed: 3.21 ft at 5:00AM May 09, 2024Observed: 3.22 ft at 5:15AM May 09, 2024Observed: 3.23 ft at 5:30AM May 09, 2024Observed: 3.23 ft at 5:45AM May 09, 2024Observed: 3.24 ft at 6:00AM May 09, 2024Observed: 3.24 ft at 6:15AM May 09, 2024Observed: 3.25 ft at 6:30AM May 09, 2024Observed: 3.26 ft at 6:45AM May 09, 2024Observed: 3.26 ft at 7:00AM May 09, 2024Observed: 3.27 ft at 7:15AM May 09, 2024Observed: 3.27 ft at 7:30AM May 09, 2024Observed: 3.28 ft at 7:45AM May 09, 2024Observed: 3.28 ft at 8:00AM May 09, 2024Observed: 3.29 ft at 8:15AM May 09, 2024Observed: 3.29 ft at 8:30AM May 09, 2024Observed: 3.29 ft at 8:45AM May 09, 2024Observed: 3.3 ft at 9:00AM May 09, 2024Observed: 3.31 ft at 9:15AM May 09, 2024Observed: 3.31 ft at 9:30AM May 09, 2024Observed: 3.31 ft at 9:45AM May 09, 2024Observed: 3.32 ft at 10:00AM May 09, 2024Observed: 3.32 ft at 10:15AM May 09, 2024Observed: 3.32 ft at 10:30AM May 09, 2024Observed: 3.33 ft at 10:45AM May 09, 2024Observed: 3.33 ft at 11:00AM May 09, 2024Observed: 3.33 ft at 11:15AM May 09, 2024Observed: 3.34 ft at 11:30AM May 09, 2024Observed: 3.34 ft at 11:45AM May 09, 2024Observed: 3.34 ft at 12:00PM May 09, 2024Observed: 3.34 ft at 12:15PM May 09, 2024Observed: 3.34 ft at 12:30PM May 09, 2024Observed: 3.35 ft at 12:45PM May 09, 2024Observed: 3.35 ft at 1:00PM May 09, 2024Observed: 3.35 ft at 1:15PM May 09, 2024Observed: 3.35 ft at 1:30PM May 09, 2024Observed: 3.35 ft at 1:45PM May 09, 2024Highest Observation: 3.36 ft at 2:00PM May 09, 2024Highest Observation: 3.36 ft at 2:15PM May 09, 2024Highest Observation: 3.36 ft at 2:30PM May 09, 2024Highest Observation: 3.36 ft at 2:45PM May 09, 2024Highest Observation: 3.36 ft at 3:00PM May 09, 2024Highest Observation: 3.36 ft at 3:15PM May 09, 2024Highest Observation: 3.36 ft at 3:30PM May 09, 2024Highest Observation: 3.36 ft at 3:45PM May 09, 2024Highest Observation: 3.36 ft at 4:00PM May 09, 2024Highest Observation: 3.36 ft at 4:15PM May 09, 2024Highest Observation: 3.36 ft at 4:30PM May 09, 2024Highest Observation: 3.36 ft at 4:45PM May 09, 2024Highest Observation: 3.36 ft at 5:00PM May 09, 2024Highest Observation: 3.36 ft at 5:15PM May 09, 2024Highest Observation: 3.36 ft at 5:30PM May 09, 2024Highest Observation: 3.36 ft at 5:45PM May 09, 2024Observed: 3.35 ft at 6:00PM May 09, 2024Observed: 3.35 ft at 6:15PM May 09, 2024Observed: 3.35 ft at 6:30PM May 09, 2024Observed: 3.35 ft at 6:45PM May 09, 2024Observed: 3.35 ft at 7:00PM May 09, 2024Observed: 3.34 ft at 7:15PM May 09, 2024Observed: 3.34 ft at 7:30PM May 09, 2024Observed: 3.34 ft at 7:45PM May 09, 2024Observed: 3.34 ft at 8:00PM May 09, 2024Observed: 3.33 ft at 8:15PM May 09, 2024Observed: 3.33 ft at 8:30PM May 09, 2024Observed: 3.33 ft at 8:45PM May 09, 2024Observed: 3.33 ft at 9:00PM May 09, 2024Observed: 3.33 ft at 9:15PM May 09, 2024Observed: 3.32 ft at 9:30PM May 09, 2024Observed: 3.32 ft at 9:45PM May 09, 2024Observed: 3.31 ft at 10:00PM May 09, 2024Observed: 3.31 ft at 10:15PM May 09, 2024Observed: 3.31 ft at 10:30PM May 09, 2024Observed: 3.31 ft at 10:45PM May 09, 2024Observed: 3.3 ft at 11:00PM May 09, 2024Observed: 3.3 ft at 11:15PM May 09, 2024Observed: 3.3 ft at 11:30PM May 09, 2024Observed: 3.3 ft at 11:45PM May 09, 2024Observed: 3.29 ft at 12:00AM May 10, 2024Observed: 3.29 ft at 12:15AM May 10, 2024Observed: 3.29 ft at 12:30AM May 10, 2024Observed: 3.28 ft at 12:45AM May 10, 2024Observed: 3.28 ft at 1:00AM May 10, 2024Observed: 3.28 ft at 1:15AM May 10, 2024Observed: 3.28 ft at 1:30AM May 10, 2024Observed: 3.27 ft at 1:45AM May 10, 2024Observed: 3.27 ft at 2:00AM May 10, 2024Observed: 3.27 ft at 2:15AM May 10, 2024Observed: 3.26 ft at 2:30AM May 10, 2024Observed: 3.26 ft at 2:45AM May 10, 2024Observed: 3.26 ft at 3:00AM May 10, 2024Observed: 3.25 ft at 3:15AM May 10, 2024Observed: 3.25 ft at 3:30AM May 10, 2024Observed: 3.25 ft at 3:45AM May 10, 2024Observed: 3.24 ft at 4:00AM May 10, 2024Observed: 3.24 ft at 4:15AM May 10, 2024Observed: 3.24 ft at 4:30AM May 10, 2024Observed: 3.23 ft at 4:45AM May 10, 2024Observed: 3.23 ft at 5:00AM May 10, 2024Highest Forecast: 3 ft 8:00AM May 10, 2024Highest Forecast: 3 ft 2:00PM May 10, 2024Forecast: 2.9 ft 8:00PM May 10, 2024Forecast: 2.9 ft 2:00AM May 11, 2024Forecast: 2.8 ft 8:00AM May 11, 2024Forecast: 2.8 ft 2:00PM May 11, 2024Forecast: 2.8 ft 8:00PM May 11, 2024Forecast: 2.8 ft 2:00AM May 12, 2024Forecast: 2.7 ft 8:00AM May 12, 2024USGS--Water Resources of the United StatesCZRN6(plotting HGIR2) Graph Created (6:16AM May 10, 2024)ObservedForecast (issued 11:07AM May 9)Latest observed value: 3.23 ft at 5:00 AM EDT 10-May-2024. Flood Stage is 9 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Great Chazy River at Perry Mills are issued routinely year-round.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 12.91 ft on 02/28/2000
(2) 12.24 ft on 11/09/1996
(3) 11.65 ft on 03/15/2007
(4) 11.50 ft on 03/09/1946
(5) 11.37 ft on 12/29/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.75 ft on 07/02/2023 (P)
(2) 10.73 ft on 04/09/2014
(3) 9.67 ft on 02/01/2013
(4) 9.50 ft on 08/29/2011
(5) 7.29 ft on 04/27/2011
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:14
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 Homes along Perry Mills Road and Creek Road in Perry Mills will be inundated. Downstream at Champlain Village, homes and businesses along Main Street, Water Street, and River Street will flood. Flooding in Mooers is likely, and portions of Routes 9 and 11 will be covered with water.
10 Water will approach homes in Perry Mills. Perry Mills Road and Creek Road in the vicinity of Perry Mills will flood, and water will partially cover Route 11 south of Perry Mills.
9 Water covers Perry Mills Road and Creek Road in the vicinity of Perry Mills.
Photos
(1) Great Chazy at Perry Mills gage house
(2) River ice at CZRN6
About This Location Collapse

Latitude: 45.000000° N, Longitude: 73.501389° 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 164.44 ft 173.44 ft 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:
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.

Water Temperature Plot for CZRN6
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
Burlington Weather Forecast Office
1200 Airport Drive
South Burlington, VT 05403
(802) 862-2475
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