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Hydrograph River at a Glance Download
Black River at Boonville Stage (ft)Flow (kcfs)Observed: 4.09 ft at 3:30AM Aug 17, 2019Observed: 4.09 ft at 3:45AM Aug 17, 2019Observed: 4.1 ft at 4:00AM Aug 17, 2019Observed: 4.1 ft at 4:15AM Aug 17, 2019Observed: 4.1 ft at 4:30AM Aug 17, 2019Observed: 4.1 ft at 4:45AM Aug 17, 2019Observed: 4.1 ft at 5:00AM Aug 17, 2019Observed: 4.11 ft at 5:15AM Aug 17, 2019Observed: 4.11 ft at 5:30AM Aug 17, 2019Observed: 4.11 ft at 5:45AM Aug 17, 2019Observed: 4.11 ft at 6:00AM Aug 17, 2019Observed: 4.11 ft at 6:15AM Aug 17, 2019Observed: 4.12 ft at 6:30AM Aug 17, 2019Observed: 4.12 ft at 6:45AM Aug 17, 2019Observed: 4.12 ft at 7:00AM Aug 17, 2019Observed: 4.12 ft at 7:15AM Aug 17, 2019Observed: 4.13 ft at 7:30AM Aug 17, 2019Observed: 4.13 ft at 7:45AM Aug 17, 2019Observed: 4.13 ft at 8:00AM Aug 17, 2019Observed: 4.13 ft at 8:15AM Aug 17, 2019Observed: 4.13 ft at 8:30AM Aug 17, 2019Observed: 4.13 ft at 8:45AM Aug 17, 2019Observed: 4.13 ft at 9:00AM Aug 17, 2019Observed: 4.14 ft at 9:15AM Aug 17, 2019Observed: 4.14 ft at 9:30AM Aug 17, 2019Observed: 4.14 ft at 9:45AM Aug 17, 2019Observed: 4.14 ft at 10:00AM Aug 17, 2019Observed: 4.14 ft at 10:15AM Aug 17, 2019Observed: 4.14 ft at 10:30AM Aug 17, 2019Observed: 4.14 ft at 10:45AM Aug 17, 2019Observed: 4.15 ft at 11:00AM Aug 17, 2019Observed: 4.15 ft at 11:15AM Aug 17, 2019Observed: 4.15 ft at 11:30AM Aug 17, 2019Observed: 4.15 ft at 11:45AM Aug 17, 2019Observed: 4.15 ft at 12:00PM Aug 17, 2019Observed: 4.15 ft at 12:15PM Aug 17, 2019Observed: 4.15 ft at 12:30PM Aug 17, 2019Observed: 4.15 ft at 12:45PM Aug 17, 2019Observed: 4.15 ft at 1:00PM Aug 17, 2019Observed: 4.15 ft at 1:15PM Aug 17, 2019Observed: 4.15 ft at 1:30PM Aug 17, 2019Observed: 4.15 ft at 1:45PM Aug 17, 2019Observed: 4.16 ft at 2:00PM Aug 17, 2019Observed: 4.17 ft at 2:15PM Aug 17, 2019Observed: 4.16 ft at 2:30PM Aug 17, 2019Observed: 4.19 ft at 2:45PM Aug 17, 2019Observed: 4.22 ft at 3:00PM Aug 17, 2019Observed: 4.24 ft at 3:15PM Aug 17, 2019Highest Observation: 4.25 ft at 3:30PM Aug 17, 2019Highest Observation: 4.25 ft at 3:45PM Aug 17, 2019Observed: 4.24 ft at 4:00PM Aug 17, 2019Observed: 4.23 ft at 4:15PM Aug 17, 2019Observed: 4.23 ft at 4:30PM Aug 17, 2019Observed: 4.22 ft at 4:45PM Aug 17, 2019Observed: 4.22 ft at 5:00PM Aug 17, 2019Observed: 4.22 ft at 5:15PM Aug 17, 2019Observed: 4.21 ft at 5:30PM Aug 17, 2019Observed: 4.21 ft at 5:45PM Aug 17, 2019Observed: 4.21 ft at 6:00PM Aug 17, 2019Observed: 4.2 ft at 6:15PM Aug 17, 2019Observed: 4.2 ft at 6:30PM Aug 17, 2019Observed: 4.2 ft at 6:45PM Aug 17, 2019Observed: 4.2 ft at 7:00PM Aug 17, 2019Observed: 4.19 ft at 7:15PM Aug 17, 2019Observed: 4.19 ft at 7:30PM Aug 17, 2019Observed: 4.19 ft at 7:45PM Aug 17, 2019Observed: 4.19 ft at 8:00PM Aug 17, 2019Observed: 4.18 ft at 8:15PM Aug 17, 2019Observed: 4.18 ft at 8:30PM Aug 17, 2019Observed: 4.18 ft at 8:31PM Aug 17, 2019Observed: 4.18 ft at 8:45PM Aug 17, 2019Observed: 4.18 ft at 8:46PM Aug 17, 2019Observed: 4.18 ft at 9:00PM Aug 17, 2019Observed: 4.18 ft at 9:01PM Aug 17, 2019Observed: 4.17 ft at 9:15PM Aug 17, 2019Observed: 4.17 ft at 9:16PM Aug 17, 2019Observed: 4.17 ft at 9:30PM Aug 17, 2019Observed: 4.17 ft at 9:45PM Aug 17, 2019Observed: 4.17 ft at 10:00PM Aug 17, 2019Observed: 4.17 ft at 10:15PM Aug 17, 2019Observed: 4.17 ft at 10:30PM Aug 17, 2019Observed: 4.17 ft at 10:45PM Aug 17, 2019Observed: 4.18 ft at 11:00PM Aug 17, 2019Observed: 4.18 ft at 11:15PM Aug 17, 2019Observed: 4.17 ft at 11:30PM Aug 17, 2019Observed: 4.18 ft at 11:45PM Aug 17, 2019Observed: 4.17 ft at 12:00AM Aug 18, 2019Observed: 4.17 ft at 12:15AM Aug 18, 2019Observed: 4.17 ft at 12:30AM Aug 18, 2019Observed: 4.17 ft at 12:45AM Aug 18, 2019Observed: 4.18 ft at 1:00AM Aug 18, 2019Observed: 4.17 ft at 1:15AM Aug 18, 2019Observed: 4.17 ft at 1:30AM Aug 18, 2019Observed: 4.17 ft at 1:45AM Aug 18, 2019Observed: 4.17 ft at 2:00AM Aug 18, 2019Observed: 4.17 ft at 2:15AM Aug 18, 2019Observed: 4.17 ft at 2:30AM Aug 18, 2019Observed: 4.17 ft at 2:45AM Aug 18, 2019Observed: 4.17 ft at 3:00AM Aug 18, 2019Observed: 4.17 ft at 3:15AM Aug 18, 2019Observed: 4.17 ft at 3:30AM Aug 18, 2019Observed: 4.17 ft at 3:45AM Aug 18, 2019Observed: 4.17 ft at 4:00AM Aug 18, 2019Observed: 4.17 ft at 4:15AM Aug 18, 2019Observed: 4.18 ft at 4:30AM Aug 18, 2019Observed: 4.17 ft at 4:45AM Aug 18, 2019Observed: 4.17 ft at 5:00AM Aug 18, 2019Observed: 4.17 ft at 5:15AM Aug 18, 2019Observed: 4.17 ft at 5:30AM Aug 18, 2019Observed: 4.17 ft at 5:45AM Aug 18, 2019Observed: 4.17 ft at 6:00AM Aug 18, 2019Observed: 4.17 ft at 6:15AM Aug 18, 2019Observed: 4.17 ft at 6:30AM Aug 18, 2019Observed: 4.17 ft at 6:45AM Aug 18, 2019Observed: 4.17 ft at 7:00AM Aug 18, 2019Observed: 4.16 ft at 7:15AM Aug 18, 2019Observed: 4.16 ft at 7:30AM Aug 18, 2019Observed: 4.16 ft at 7:45AM Aug 18, 2019Observed: 4.16 ft at 8:00AM Aug 18, 2019Observed: 4.16 ft at 8:15AM Aug 18, 2019Observed: 4.16 ft at 8:30AM Aug 18, 2019Observed: 4.16 ft at 8:45AM Aug 18, 2019Observed: 4.15 ft at 9:00AM Aug 18, 2019Observed: 4.15 ft at 9:15AM Aug 18, 2019Observed: 4.15 ft at 9:30AM Aug 18, 2019Observed: 4.15 ft at 9:45AM Aug 18, 2019Observed: 4.15 ft at 10:00AM Aug 18, 2019Observed: 4.15 ft at 10:15AM Aug 18, 2019Observed: 4.15 ft at 10:30AM Aug 18, 2019Observed: 4.14 ft at 10:45AM Aug 18, 2019Observed: 4.15 ft at 11:00AM Aug 18, 2019Observed: 4.14 ft at 11:15AM Aug 18, 2019Observed: 4.14 ft at 11:30AM Aug 18, 2019Observed: 4.14 ft at 11:45AM Aug 18, 2019Observed: 4.14 ft at 12:00PM Aug 18, 2019Observed: 4.14 ft at 12:15PM Aug 18, 2019Observed: 4.14 ft at 12:30PM Aug 18, 2019Observed: 4.14 ft at 12:45PM Aug 18, 2019Observed: 4.14 ft at 1:00PM Aug 18, 2019Observed: 4.13 ft at 1:15PM Aug 18, 2019Observed: 4.13 ft at 1:30PM Aug 18, 2019Observed: 4.13 ft at 1:45PM Aug 18, 2019Observed: 4.13 ft at 2:00PM Aug 18, 2019Observed: 4.12 ft at 2:15PM Aug 18, 2019Observed: 4.13 ft at 2:30PM Aug 18, 2019Observed: 4.12 ft at 2:45PM Aug 18, 2019Observed: 4.12 ft at 3:00PM Aug 18, 2019Observed: 4.12 ft at 3:15PM Aug 18, 2019Observed: 4.12 ft at 3:30PM Aug 18, 2019Observed: 4.12 ft at 3:45PM Aug 18, 2019Observed: 4.12 ft at 4:00PM Aug 18, 2019Observed: 4.12 ft at 4:15PM Aug 18, 2019Observed: 4.12 ft at 4:30PM Aug 18, 2019Observed: 4.12 ft at 4:45PM Aug 18, 2019Observed: 4.12 ft at 5:00PM Aug 18, 2019Observed: 4.12 ft at 5:15PM Aug 18, 2019Observed: 4.12 ft at 5:30PM Aug 18, 2019Observed: 4.11 ft at 5:45PM Aug 18, 2019Observed: 4.11 ft at 6:00PM Aug 18, 2019Observed: 4.11 ft at 6:15PM Aug 18, 2019Observed: 4.11 ft at 6:30PM Aug 18, 2019Observed: 4.11 ft at 6:45PM Aug 18, 2019Observed: 4.11 ft at 7:00PM Aug 18, 2019Observed: 4.11 ft at 7:15PM Aug 18, 2019Observed: 4.11 ft at 7:30PM Aug 18, 2019Observed: 4.11 ft at 7:45PM Aug 18, 2019Observed: 4.11 ft at 8:00PM Aug 18, 2019Observed: 4.11 ft at 8:15PM Aug 18, 2019Observed: 4.11 ft at 8:30PM Aug 18, 2019Observed: 4.11 ft at 8:31PM Aug 18, 2019Observed: 4.1 ft at 8:45PM Aug 18, 2019Observed: 4.1 ft at 8:46PM Aug 18, 2019Observed: 4.11 ft at 9:00PM Aug 18, 2019Observed: 4.11 ft at 9:01PM Aug 18, 2019Observed: 4.1 ft at 9:15PM Aug 18, 2019Observed: 4.1 ft at 9:16PM Aug 18, 2019Observed: 4.1 ft at 9:30PM Aug 18, 2019Observed: 4.1 ft at 9:45PM Aug 18, 2019Observed: 4.1 ft at 10:00PM Aug 18, 2019Observed: 4.1 ft at 10:15PM Aug 18, 2019Observed: 4.1 ft at 10:30PM Aug 18, 2019Observed: 4.1 ft at 10:45PM Aug 18, 2019Observed: 4.1 ft at 11:00PM Aug 18, 2019Observed: 4.1 ft at 11:15PM Aug 18, 2019Observed: 4.1 ft at 11:30PM Aug 18, 2019Observed: 4.09 ft at 11:45PM Aug 18, 2019Observed: 4.1 ft at 12:00AM Aug 19, 2019Observed: 4.09 ft at 12:15AM Aug 19, 2019Observed: 4.09 ft at 12:30AM Aug 19, 2019Observed: 4.09 ft at 12:45AM Aug 19, 2019Observed: 4.09 ft at 1:00AM Aug 19, 2019Observed: 4.09 ft at 1:15AM Aug 19, 2019Observed: 4.09 ft at 1:30AM Aug 19, 2019Observed: 4.09 ft at 1:45AM Aug 19, 2019Observed: 4.09 ft at 2:00AM Aug 19, 2019Observed: 4.09 ft at 2:15AM Aug 19, 2019Observed: 4.09 ft at 2:30AM Aug 19, 2019Observed: 4.09 ft at 2:45AM Aug 19, 2019Observed: 4.09 ft at 3:00AM Aug 19, 2019Observed: 4.09 ft at 3:15AM Aug 19, 2019Observed: 4.09 ft at 3:30AM Aug 19, 2019Observed: 4.09 ft at 3:45AM Aug 19, 2019Observed: 4.09 ft at 4:00AM Aug 19, 2019Observed: 4.09 ft at 4:15AM Aug 19, 2019Observed: 4.09 ft at 4:30AM Aug 19, 2019Observed: 4.09 ft at 4:45AM Aug 19, 2019Observed: 4.08 ft at 5:00AM Aug 19, 2019Observed: 4.08 ft at 5:15AM Aug 19, 2019Observed: 4.08 ft at 5:30AM Aug 19, 2019Observed: 4.08 ft at 5:45AM Aug 19, 2019Observed: 4.08 ft at 6:00AM Aug 19, 2019Observed: 4.08 ft at 6:15AM Aug 19, 2019Observed: 4.08 ft at 6:30AM Aug 19, 2019Observed: 4.08 ft at 6:45AM Aug 19, 2019Observed: 4.08 ft at 7:00AM Aug 19, 2019Observed: 4.08 ft at 7:15AM Aug 19, 2019Observed: 4.09 ft at 7:30AM Aug 19, 2019Observed: 4.09 ft at 7:45AM Aug 19, 2019Observed: 4.08 ft at 8:00AM Aug 19, 2019Observed: 4.08 ft at 8:15AM Aug 19, 2019Observed: 4.08 ft at 8:30AM Aug 19, 2019Observed: 4.08 ft at 8:45AM Aug 19, 2019Observed: 4.08 ft at 9:00AM Aug 19, 2019Observed: 4.08 ft at 9:15AM Aug 19, 2019Observed: 4.08 ft at 9:30AM Aug 19, 2019Observed: 4.08 ft at 9:45AM Aug 19, 2019Observed: 4.08 ft at 10:00AM Aug 19, 2019Observed: 4.08 ft at 10:15AM Aug 19, 2019Observed: 4.08 ft at 10:30AM Aug 19, 2019Observed: 4.08 ft at 10:45AM Aug 19, 2019Observed: 4.08 ft at 11:00AM Aug 19, 2019Observed: 4.08 ft at 11:15AM Aug 19, 2019Observed: 4.08 ft at 11:30AM Aug 19, 2019Observed: 4.09 ft at 11:45AM Aug 19, 2019Observed: 4.09 ft at 12:00PM Aug 19, 2019Observed: 4.09 ft at 12:15PM Aug 19, 2019Observed: 4.09 ft at 12:30PM Aug 19, 2019Observed: 4.09 ft at 12:45PM Aug 19, 2019Observed: 4.09 ft at 1:00PM Aug 19, 2019Observed: 4.09 ft at 1:15PM Aug 19, 2019Observed: 4.09 ft at 1:30PM Aug 19, 2019Observed: 4.09 ft at 1:45PM Aug 19, 2019Observed: 4.09 ft at 2:00PM Aug 19, 2019Observed: 4.09 ft at 2:15PM Aug 19, 2019Observed: 4.09 ft at 2:30PM Aug 19, 2019Observed: 4.09 ft at 2:45PM Aug 19, 2019Observed: 4.09 ft at 3:00PM Aug 19, 2019Observed: 4.09 ft at 3:15PM Aug 19, 2019Observed: 4.09 ft at 3:30PM Aug 19, 2019Observed: 4.09 ft at 3:45PM Aug 19, 2019Observed: 4.09 ft at 4:00PM Aug 19, 2019Observed: 4.09 ft at 4:15PM Aug 19, 2019Observed: 4.09 ft at 4:30PM Aug 19, 2019Observed: 4.09 ft at 4:45PM Aug 19, 2019Observed: 4.09 ft at 5:00PM Aug 19, 2019Observed: 4.09 ft at 5:15PM Aug 19, 2019Observed: 4.09 ft at 5:30PM Aug 19, 2019Observed: 4.09 ft at 5:45PM Aug 19, 2019Observed: 4.09 ft at 6:00PM Aug 19, 2019Observed: 4.09 ft at 6:15PM Aug 19, 2019Observed: 4.09 ft at 6:30PM Aug 19, 2019Observed: 4.09 ft at 6:45PM Aug 19, 2019Observed: 4.09 ft at 7:00PM Aug 19, 2019Observed: 4.09 ft at 7:15PM Aug 19, 2019Observed: 4.09 ft at 7:30PM Aug 19, 2019Observed: 4.09 ft at 7:45PM Aug 19, 2019Observed: 4.09 ft at 8:00PM Aug 19, 2019Observed: 4.09 ft at 8:15PM Aug 19, 2019Observed: 4.09 ft at 8:30PM Aug 19, 2019Observed: 4.09 ft at 8:31PM Aug 19, 2019Observed: 4.09 ft at 8:45PM Aug 19, 2019Observed: 4.09 ft at 8:46PM Aug 19, 2019Observed: 4.09 ft at 9:00PM Aug 19, 2019Observed: 4.09 ft at 9:01PM Aug 19, 2019Observed: 4.09 ft at 9:15PM Aug 19, 2019Observed: 4.09 ft at 9:16PM Aug 19, 2019Observed: 4.09 ft at 9:30PM Aug 19, 2019Observed: 4.09 ft at 9:45PM Aug 19, 2019Observed: 4.09 ft at 10:00PM Aug 19, 2019Observed: 4.09 ft at 10:15PM Aug 19, 2019Observed: 4.09 ft at 10:30PM Aug 19, 2019Observed: 4.09 ft at 10:45PM Aug 19, 2019Observed: 4.09 ft at 11:00PM Aug 19, 2019Observed: 4.09 ft at 11:15PM Aug 19, 2019Observed: 4.09 ft at 11:30PM Aug 19, 2019Observed: 4.09 ft at 11:45PM Aug 19, 2019Observed: 4.09 ft at 12:00AM Aug 20, 2019Observed: 4.09 ft at 12:15AM Aug 20, 2019Observed: 4.09 ft at 12:30AM Aug 20, 2019Observed: 4.09 ft at 12:45AM Aug 20, 2019Observed: 4.09 ft at 1:00AM Aug 20, 2019Observed: 4.09 ft at 1:15AM Aug 20, 2019Observed: 4.09 ft at 1:30AM Aug 20, 2019Observed: 4.1 ft at 1:45AM Aug 20, 2019Observed: 4.1 ft at 2:00AM Aug 20, 2019Highest Forecast: 4 ft 8:00AM Aug 20, 2019Highest Forecast: 4 ft 2:00PM Aug 20, 2019Highest Forecast: 4 ft 8:00PM Aug 20, 2019Highest Forecast: 4 ft 2:00AM Aug 21, 2019Highest Forecast: 4 ft 8:00AM Aug 21, 2019Highest Forecast: 4 ft 2:00PM Aug 21, 2019Highest Forecast: 4 ft 8:00PM Aug 21, 2019Highest Forecast: 4 ft 2:00AM Aug 22, 2019Highest Forecast: 4 ft 8:00AM Aug 22, 2019USGS--Water Resources of the United StatesBOON6(plotting HGIRG) Graph Created (3:15AM Aug 20, 2019)ObservedForecast (issued 10:55AM Aug 19)Latest observed value: 4.1 ft at 2:00 AM EDT 20-Aug-2019. Flood Stage is 10 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Black River at Boonville are issued routinely year-round.
Return to Area Map
Downstream Gauge Downstream Gauge - at Watertown
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 11
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 12.50 ft on 03/28/1913
(2) 11.41 ft on 12/30/1984
(3) 11.31 ft on 04/18/1982
(4) 11.29 ft on 01/23/1957
(5) 11.27 ft on 05/20/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.03 ft on 01/13/2018
(2) 10.61 ft on 04/16/2014
(3) 10.66 ft on 04/29/2011
(4) 10.60 ft on 06/29/2006
(5) 11.25 ft on 01/09/1998
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.40 ft on 08/26/1918
(2) 3.50 ft on 07/19/1981
(3) 3.70 ft on 08/03/1999
(4) 3.90 ft on 08/15/1996
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
12 Major flood, widespread flooding of commercial, industrial, and residential areas throughout the Black River Valley.
11 Moderate flood, widespread farmland flooding and road closures all along the river. Some residential flooding in portions of Carthage and Castorland.
10 Flood stage, widespread farmland flooding in the Flats area. Several roads may be closed in Glenfield, Martinsburg, and Lowville.
8 Action stage, minor agricultural lowland flooding begins downstream in the Flats area. East Martinsburg Road may be closed.
About This Location Collapse

Latitude: 43.511667° N, Longitude: 75.306944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 935.178 ft 945.178 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 935.50 ft 945.50 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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

Observations Courtesy of the U.S. Geological Survey.
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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
Buffalo Weather Forecast Office
587 Aero Drive
Buffalo, NY 14225-1405
(716) 565-0204
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Page last modified: 1-Mar-2019 12:35 AM
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