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Hydrograph River at a Glance Download
Oswegatchie River near Heuvelton Stage (ft)Flow (kcfs)Observed: 3.22 ft at 12:00AM Mar 19, 2023Observed: 3.23 ft at 12:15AM Mar 19, 2023Observed: 3.23 ft at 12:30AM Mar 19, 2023Observed: 3.24 ft at 12:45AM Mar 19, 2023Observed: 3.25 ft at 1:00AM Mar 19, 2023Observed: 3.25 ft at 1:15AM Mar 19, 2023Observed: 3.25 ft at 1:30AM Mar 19, 2023Observed: 3.25 ft at 1:45AM Mar 19, 2023Observed: 3.26 ft at 2:00AM Mar 19, 2023Observed: 3.26 ft at 2:15AM Mar 19, 2023Observed: 3.26 ft at 2:30AM Mar 19, 2023Observed: 3.26 ft at 2:45AM Mar 19, 2023Observed: 3.26 ft at 3:00AM Mar 19, 2023Observed: 3.27 ft at 3:15AM Mar 19, 2023Observed: 3.27 ft at 3:30AM Mar 19, 2023Observed: 3.27 ft at 3:45AM Mar 19, 2023Observed: 3.27 ft at 4:00AM Mar 19, 2023Observed: 3.27 ft at 4:15AM Mar 19, 2023Observed: 3.27 ft at 4:30AM Mar 19, 2023Observed: 3.28 ft at 4:45AM Mar 19, 2023Observed: 3.28 ft at 5:00AM Mar 19, 2023Observed: 3.28 ft at 5:15AM Mar 19, 2023Observed: 3.28 ft at 5:30AM Mar 19, 2023Observed: 3.28 ft at 5:45AM Mar 19, 2023Observed: 3.28 ft at 6:00AM Mar 19, 2023Observed: 3.28 ft at 6:15AM Mar 19, 2023Observed: 3.28 ft at 6:30AM Mar 19, 2023Observed: 3.28 ft at 6:45AM Mar 19, 2023Observed: 3.28 ft at 7:00AM Mar 19, 2023Observed: 3.29 ft at 7:15AM Mar 19, 2023Observed: 3.28 ft at 7:30AM Mar 19, 2023Observed: 3.29 ft at 7:45AM Mar 19, 2023Observed: 3.28 ft at 8:00AM Mar 19, 2023Observed: 3.28 ft at 8:15AM Mar 19, 2023Observed: 3.28 ft at 8:30AM Mar 19, 2023Observed: 3.29 ft at 8:45AM Mar 19, 2023Observed: 3.29 ft at 9:00AM Mar 19, 2023Observed: 3.29 ft at 9:15AM Mar 19, 2023Observed: 3.29 ft at 9:30AM Mar 19, 2023Observed: 3.29 ft at 9:45AM Mar 19, 2023Observed: 3.29 ft at 10:00AM Mar 19, 2023Observed: 3.29 ft at 10:15AM Mar 19, 2023Observed: 3.3 ft at 10:30AM Mar 19, 2023Observed: 3.3 ft at 10:45AM Mar 19, 2023Observed: 3.3 ft at 11:00AM Mar 19, 2023Observed: 3.31 ft at 11:15AM Mar 19, 2023Observed: 3.3 ft at 11:30AM Mar 19, 2023Observed: 3.3 ft at 11:45AM Mar 19, 2023Observed: 3.31 ft at 12:00PM Mar 19, 2023Observed: 3.31 ft at 12:15PM Mar 19, 2023Observed: 3.31 ft at 12:30PM Mar 19, 2023Observed: 3.31 ft at 12:45PM Mar 19, 2023Observed: 3.31 ft at 1:00PM Mar 19, 2023Observed: 3.32 ft at 1:15PM Mar 19, 2023Observed: 3.33 ft at 1:30PM Mar 19, 2023Observed: 3.33 ft at 1:45PM Mar 19, 2023Observed: 3.32 ft at 2:00PM Mar 19, 2023Observed: 3.33 ft at 2:15PM Mar 19, 2023Observed: 3.33 ft at 2:30PM Mar 19, 2023Observed: 3.33 ft at 2:45PM Mar 19, 2023Observed: 3.34 ft at 3:00PM Mar 19, 2023Observed: 3.35 ft at 3:15PM Mar 19, 2023Observed: 3.34 ft at 3:30PM Mar 19, 2023Observed: 3.34 ft at 3:45PM Mar 19, 2023Observed: 3.35 ft at 4:00PM Mar 19, 2023Observed: 3.35 ft at 4:15PM Mar 19, 2023Observed: 3.34 ft at 4:30PM Mar 19, 2023Observed: 3.35 ft at 4:45PM Mar 19, 2023Observed: 3.36 ft at 5:00PM Mar 19, 2023Highest Observation: 3.4 ft at 5:15PM Mar 19, 2023Observed: 3.35 ft at 5:30PM Mar 19, 2023Observed: 3.36 ft at 5:45PM Mar 19, 2023Observed: 3.36 ft at 6:00PM Mar 19, 2023Observed: 3.36 ft at 6:15PM Mar 19, 2023Observed: 3.36 ft at 6:30PM Mar 19, 2023Observed: 3.36 ft at 6:45PM Mar 19, 2023Observed: 3.37 ft at 7:00PM Mar 19, 2023Observed: 3.36 ft at 7:15PM Mar 19, 2023Observed: 3.37 ft at 7:30PM Mar 19, 2023Observed: 3.37 ft at 7:45PM Mar 19, 2023Observed: 3.37 ft at 8:00PM Mar 19, 2023Observed: 3.37 ft at 8:15PM Mar 19, 2023Observed: 3.37 ft at 8:30PM Mar 19, 2023Observed: 3.37 ft at 8:45PM Mar 19, 2023Observed: 3.37 ft at 9:00PM Mar 19, 2023Observed: 3.37 ft at 9:15PM Mar 19, 2023Observed: 3.37 ft at 9:30PM Mar 19, 2023Observed: 3.37 ft at 9:45PM Mar 19, 2023Observed: 3.37 ft at 10:00PM Mar 19, 2023Observed: 3.37 ft at 10:15PM Mar 19, 2023Observed: 3.37 ft at 10:30PM Mar 19, 2023Observed: 3.37 ft at 10:45PM Mar 19, 2023Observed: 3.37 ft at 11:00PM Mar 19, 2023Observed: 3.37 ft at 11:15PM Mar 19, 2023Observed: 3.37 ft at 11:30PM Mar 19, 2023Observed: 3.38 ft at 11:45PM Mar 19, 2023Observed: 3.37 ft at 12:00AM Mar 20, 2023Observed: 3.37 ft at 12:15AM Mar 20, 2023Observed: 3.38 ft at 12:30AM Mar 20, 2023Observed: 3.38 ft at 12:45AM Mar 20, 2023Observed: 3.38 ft at 1:00AM Mar 20, 2023Observed: 3.37 ft at 1:15AM Mar 20, 2023Observed: 3.38 ft at 1:30AM Mar 20, 2023Observed: 3.38 ft at 1:45AM Mar 20, 2023Observed: 3.38 ft at 2:00AM Mar 20, 2023Observed: 3.38 ft at 2:15AM Mar 20, 2023Observed: 3.38 ft at 2:30AM Mar 20, 2023Observed: 3.38 ft at 2:45AM Mar 20, 2023Observed: 3.38 ft at 3:00AM Mar 20, 2023Observed: 3.38 ft at 3:15AM Mar 20, 2023Observed: 3.38 ft at 3:30AM Mar 20, 2023Observed: 3.38 ft at 3:45AM Mar 20, 2023Observed: 3.38 ft at 4:00AM Mar 20, 2023Observed: 3.39 ft at 4:15AM Mar 20, 2023Observed: 3.38 ft at 4:30AM Mar 20, 2023Observed: 3.38 ft at 4:45AM Mar 20, 2023Observed: 3.38 ft at 5:00AM Mar 20, 2023Observed: 3.38 ft at 5:15AM Mar 20, 2023Observed: 3.38 ft at 5:30AM Mar 20, 2023Observed: 3.38 ft at 5:45AM Mar 20, 2023Observed: 3.38 ft at 6:00AM Mar 20, 2023Observed: 3.38 ft at 6:15AM Mar 20, 2023Observed: 3.38 ft at 6:30AM Mar 20, 2023Observed: 3.38 ft at 6:45AM Mar 20, 2023Observed: 3.38 ft at 7:00AM Mar 20, 2023Observed: 3.38 ft at 7:15AM Mar 20, 2023Observed: 3.38 ft at 7:30AM Mar 20, 2023Observed: 3.38 ft at 7:45AM Mar 20, 2023Observed: 3.38 ft at 8:00AM Mar 20, 2023Observed: 3.37 ft at 8:15AM Mar 20, 2023Observed: 3.36 ft at 9:30AM Mar 20, 2023Observed: 3.36 ft at 9:45AM Mar 20, 2023Observed: 3.36 ft at 10:00AM Mar 20, 2023Observed: 3.36 ft at 10:15AM Mar 20, 2023Observed: 3.36 ft at 10:30AM Mar 20, 2023Observed: 3.36 ft at 10:45AM Mar 20, 2023Observed: 3.36 ft at 11:00AM Mar 20, 2023Observed: 3.35 ft at 11:15AM Mar 20, 2023Observed: 3.36 ft at 11:30AM Mar 20, 2023Observed: 3.35 ft at 11:45AM Mar 20, 2023Observed: 3.36 ft at 12:00PM Mar 20, 2023Observed: 3.35 ft at 12:15PM Mar 20, 2023Observed: 3.36 ft at 12:30PM Mar 20, 2023Observed: 3.35 ft at 12:45PM Mar 20, 2023Observed: 3.35 ft at 1:00PM Mar 20, 2023Observed: 3.35 ft at 1:15PM Mar 20, 2023Observed: 3.35 ft at 1:30PM Mar 20, 2023Observed: 3.35 ft at 1:45PM Mar 20, 2023Observed: 3.35 ft at 2:00PM Mar 20, 2023Observed: 3.34 ft at 2:15PM Mar 20, 2023Observed: 3.34 ft at 2:30PM Mar 20, 2023Observed: 3.35 ft at 2:45PM Mar 20, 2023Observed: 3.34 ft at 3:00PM Mar 20, 2023Observed: 3.34 ft at 3:15PM Mar 20, 2023Observed: 3.34 ft at 3:30PM Mar 20, 2023Observed: 3.34 ft at 3:45PM Mar 20, 2023Observed: 3.34 ft at 4:00PM Mar 20, 2023Observed: 3.34 ft at 4:15PM Mar 20, 2023Observed: 3.33 ft at 4:30PM Mar 20, 2023Observed: 3.34 ft at 4:45PM Mar 20, 2023Observed: 3.34 ft at 5:00PM Mar 20, 2023Observed: 3.33 ft at 5:15PM Mar 20, 2023Observed: 3.33 ft at 5:30PM Mar 20, 2023Observed: 3.33 ft at 5:45PM Mar 20, 2023Observed: 3.33 ft at 6:00PM Mar 20, 2023Observed: 3.33 ft at 6:15PM Mar 20, 2023Observed: 3.33 ft at 6:30PM Mar 20, 2023Observed: 3.33 ft at 6:45PM Mar 20, 2023Observed: 3.32 ft at 7:00PM Mar 20, 2023Observed: 3.32 ft at 7:15PM Mar 20, 2023Observed: 3.31 ft at 7:30PM Mar 20, 2023Observed: 3.31 ft at 7:45PM Mar 20, 2023Observed: 3.31 ft at 8:00PM Mar 20, 2023Observed: 3.31 ft at 8:15PM Mar 20, 2023Observed: 3.31 ft at 8:30PM Mar 20, 2023Observed: 3.3 ft at 8:45PM Mar 20, 2023Observed: 3.31 ft at 9:00PM Mar 20, 2023Observed: 3.3 ft at 9:15PM Mar 20, 2023Observed: 3.3 ft at 9:30PM Mar 20, 2023Observed: 3.3 ft at 9:45PM Mar 20, 2023Observed: 3.29 ft at 10:00PM Mar 20, 2023Observed: 3.29 ft at 10:15PM Mar 20, 2023Observed: 3.29 ft at 10:30PM Mar 20, 2023Observed: 3.29 ft at 10:45PM Mar 20, 2023Observed: 3.28 ft at 11:00PM Mar 20, 2023Observed: 3.28 ft at 11:15PM Mar 20, 2023Observed: 3.28 ft at 11:30PM Mar 20, 2023Observed: 3.27 ft at 11:45PM Mar 20, 2023Observed: 3.27 ft at 12:00AM Mar 21, 2023Observed: 3.27 ft at 12:15AM Mar 21, 2023Observed: 3.27 ft at 12:30AM Mar 21, 2023Observed: 3.26 ft at 12:45AM Mar 21, 2023Observed: 3.27 ft at 1:00AM Mar 21, 2023Observed: 3.26 ft at 1:15AM Mar 21, 2023Observed: 3.26 ft at 1:30AM Mar 21, 2023Observed: 3.26 ft at 1:45AM Mar 21, 2023Observed: 3.25 ft at 2:00AM Mar 21, 2023Observed: 3.26 ft at 2:15AM Mar 21, 2023Observed: 3.26 ft at 2:30AM Mar 21, 2023Observed: 3.25 ft at 2:45AM Mar 21, 2023Observed: 3.25 ft at 3:00AM Mar 21, 2023Observed: 3.25 ft at 3:15AM Mar 21, 2023Observed: 3.25 ft at 3:30AM Mar 21, 2023Observed: 3.25 ft at 3:45AM Mar 21, 2023Observed: 3.25 ft at 4:00AM Mar 21, 2023Observed: 3.24 ft at 4:15AM Mar 21, 2023Observed: 3.24 ft at 4:30AM Mar 21, 2023Observed: 3.24 ft at 4:45AM Mar 21, 2023Observed: 3.24 ft at 5:00AM Mar 21, 2023Observed: 3.24 ft at 5:15AM Mar 21, 2023Observed: 3.24 ft at 5:30AM Mar 21, 2023Observed: 3.23 ft at 5:45AM Mar 21, 2023Observed: 3.23 ft at 6:00AM Mar 21, 2023Observed: 3.23 ft at 6:15AM Mar 21, 2023Observed: 3.23 ft at 6:30AM Mar 21, 2023Observed: 3.23 ft at 6:45AM Mar 21, 2023Observed: 3.23 ft at 7:00AM Mar 21, 2023Observed: 3.23 ft at 7:15AM Mar 21, 2023Observed: 3.23 ft at 7:30AM Mar 21, 2023Observed: 3.23 ft at 7:45AM Mar 21, 2023Observed: 3.22 ft at 8:00AM Mar 21, 2023Observed: 3.22 ft at 8:15AM Mar 21, 2023Observed: 3.22 ft at 8:30AM Mar 21, 2023Observed: 3.22 ft at 8:45AM Mar 21, 2023Observed: 3.22 ft at 9:00AM Mar 21, 2023Observed: 3.22 ft at 9:15AM Mar 21, 2023Observed: 3.22 ft at 9:30AM Mar 21, 2023Observed: 3.22 ft at 9:45AM Mar 21, 2023Observed: 3.22 ft at 10:00AM Mar 21, 2023Observed: 3.22 ft at 10:15AM Mar 21, 2023Observed: 3.21 ft at 10:30AM Mar 21, 2023Observed: 3.22 ft at 10:45AM Mar 21, 2023Observed: 3.21 ft at 11:00AM Mar 21, 2023Observed: 3.22 ft at 11:15AM Mar 21, 2023Observed: 3.21 ft at 11:30AM Mar 21, 2023Observed: 3.21 ft at 11:45AM Mar 21, 2023Observed: 3.22 ft at 12:00PM Mar 21, 2023Observed: 3.21 ft at 12:15PM Mar 21, 2023Observed: 3.22 ft at 12:30PM Mar 21, 2023Observed: 3.21 ft at 12:45PM Mar 21, 2023Observed: 3.21 ft at 1:00PM Mar 21, 2023Observed: 3.21 ft at 1:15PM Mar 21, 2023Observed: 3.21 ft at 1:30PM Mar 21, 2023Observed: 3.21 ft at 1:45PM Mar 21, 2023Observed: 3.21 ft at 2:00PM Mar 21, 2023Observed: 3.22 ft at 2:15PM Mar 21, 2023Observed: 3.21 ft at 2:30PM Mar 21, 2023Observed: 3.22 ft at 2:45PM Mar 21, 2023Observed: 3.21 ft at 3:00PM Mar 21, 2023Observed: 3.22 ft at 3:15PM Mar 21, 2023Observed: 3.22 ft at 3:30PM Mar 21, 2023Observed: 3.21 ft at 3:45PM Mar 21, 2023Observed: 3.22 ft at 4:00PM Mar 21, 2023Observed: 3.22 ft at 4:15PM Mar 21, 2023Observed: 3.22 ft at 5:30PM Mar 21, 2023Observed: 3.22 ft at 5:45PM Mar 21, 2023Observed: 3.22 ft at 6:00PM Mar 21, 2023Observed: 3.22 ft at 6:15PM Mar 21, 2023Observed: 3.23 ft at 6:30PM Mar 21, 2023Observed: 3.23 ft at 6:45PM Mar 21, 2023Observed: 3.23 ft at 7:00PM Mar 21, 2023Observed: 3.23 ft at 7:15PM Mar 21, 2023Observed: 3.23 ft at 7:30PM Mar 21, 2023Observed: 3.23 ft at 7:45PM Mar 21, 2023Observed: 3.23 ft at 8:00PM Mar 21, 2023Observed: 3.23 ft at 8:15PM Mar 21, 2023Observed: 3.23 ft at 8:30PM Mar 21, 2023Observed: 3.23 ft at 8:45PM Mar 21, 2023Observed: 3.23 ft at 9:00PM Mar 21, 2023Observed: 3.24 ft at 9:15PM Mar 21, 2023Observed: 3.23 ft at 9:30PM Mar 21, 2023Observed: 3.23 ft at 9:45PM Mar 21, 2023Observed: 3.23 ft at 10:00PM Mar 21, 2023Observed: 3.23 ft at 10:15PM Mar 21, 2023Observed: 3.24 ft at 10:30PM Mar 21, 2023Observed: 3.23 ft at 10:45PM Mar 21, 2023Observed: 3.23 ft at 11:00PM Mar 21, 2023Observed: 3.23 ft at 11:15PM Mar 21, 2023Forecast: 3.1 ft 2:00AM Mar 22, 2023Forecast: 3.1 ft 8:00AM Mar 22, 2023Forecast: 3.1 ft 2:00PM Mar 22, 2023Forecast: 3 ft 8:00PM Mar 22, 2023Forecast: 3.1 ft 2:00AM Mar 23, 2023Forecast: 3.1 ft 8:00AM Mar 23, 2023Forecast: 3.2 ft 2:00PM Mar 23, 2023Forecast: 3.4 ft 8:00PM Mar 23, 2023Forecast: 3.8 ft 2:00AM Mar 24, 2023Highest Forecast: 4.2 ft 8:00AM Mar 24, 2023USGS--Water Resources of the United StatesHEUN6(plotting HGIRG) Graph Created (11:46PM Mar 21, 2023)ObservedForecast (issued 11:19AM Mar 21)Latest observed value: 3.23 ft at 11:15 PM EDT 21-Mar-2023. Flood Stage is 7.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

NOTE: Forecasts for the Oswegatchie River near Heuvelton are issued routinely year-round.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map
Upstream Gauge - near Harrisville Upstream Gauge Downstream Gauge Downstream Gauge - near Ogdensburg
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 7.5
Action Stage: 6.5
Low Stage (in feet): -9999

Historic Crests
(1) 10.36 ft on 04/06/1960
(2) 9.33 ft on 04/09/1947
(3) 9.19 ft on 03/17/1977
(4) 9.11 ft on 02/23/1954
(5) 9.10 ft on 01/11/1930
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.45 ft on 04/18/2014
(2) 8.70 ft on 04/10/2014
(3) 5.18 ft on 04/14/2013
(4) 4.89 ft on 03/17/2012
(5) 6.73 ft on 05/19/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
7.5 Low lying areas of River Road and Backus Camp Road between Rensselaer Falls and Heuvelton will flood. Lowland flooding of fields and cropland along the river will also occur. Downstream in Ogdensburg, low lying portions of Simms Camp Road and the Maple City recreational path will be inundated. Shoreline flooding is also possible on Black Lake.
6.5 Lowland flooding of fields and cropland along the river from Rensselaer Falls to Ogdensburg may occur.
Photos
(1) Gage house front view
(2) Gage house side view
(3) Cabling system
(4) Looking downstream from gage house
(5) Looking upstream from gage house
About This Location Collapse

Latitude: 44.599444° N, Longitude: 75.379167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7.5 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 287.68 295.18 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 288.85 296.35 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
Burlington Weather Forecast Office
1200 Airport Drive
South Burlington, VT 05403
(802) 862-2475
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