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Hydrograph River at a Glance Download
Wallkill at Unionville Stage (ft)Highest Observation: 7.23 ft at 7:15PM Jan 22, 2021Highest Observation: 7.23 ft at 7:16PM Jan 22, 2021Highest Observation: 7.23 ft at 7:30PM Jan 22, 2021Highest Observation: 7.23 ft at 7:31PM Jan 22, 2021Highest Observation: 7.23 ft at 7:45PM Jan 22, 2021Observed: 7.22 ft at 8:00PM Jan 22, 2021Observed: 7.22 ft at 8:15PM Jan 22, 2021Observed: 7.22 ft at 8:30PM Jan 22, 2021Observed: 7.22 ft at 8:45PM Jan 22, 2021Observed: 7.22 ft at 9:00PM Jan 22, 2021Observed: 7.22 ft at 9:15PM Jan 22, 2021Observed: 7.22 ft at 9:30PM Jan 22, 2021Observed: 7.22 ft at 9:45PM Jan 22, 2021Observed: 7.22 ft at 10:00PM Jan 22, 2021Observed: 7.22 ft at 11:15PM Jan 22, 2021Observed: 7.22 ft at 11:30PM Jan 22, 2021Observed: 7.22 ft at 11:45PM Jan 22, 2021Observed: 7.22 ft at 12:00AM Jan 23, 2021Observed: 7.22 ft at 12:15AM Jan 23, 2021Observed: 7.22 ft at 12:30AM Jan 23, 2021Observed: 7.21 ft at 12:45AM Jan 23, 2021Observed: 7.22 ft at 1:00AM Jan 23, 2021Observed: 7.21 ft at 2:15AM Jan 23, 2021Observed: 7.21 ft at 2:30AM Jan 23, 2021Observed: 7.21 ft at 2:45AM Jan 23, 2021Observed: 7.21 ft at 3:00AM Jan 23, 2021Observed: 7.21 ft at 4:15AM Jan 23, 2021Observed: 7.21 ft at 4:30AM Jan 23, 2021Observed: 7.21 ft at 4:45AM Jan 23, 2021Observed: 7.21 ft at 5:00AM Jan 23, 2021Observed: 7.21 ft at 6:15AM Jan 23, 2021Observed: 7.21 ft at 6:30AM Jan 23, 2021Observed: 7.21 ft at 6:45AM Jan 23, 2021Observed: 7.21 ft at 7:00AM Jan 23, 2021Observed: 7.21 ft at 8:15AM Jan 23, 2021Observed: 7.2 ft at 8:30AM Jan 23, 2021Observed: 7.2 ft at 8:45AM Jan 23, 2021Observed: 7.2 ft at 9:00AM Jan 23, 2021Observed: 7.19 ft at 9:15AM Jan 23, 2021Observed: 7.2 ft at 9:30AM Jan 23, 2021Observed: 7.19 ft at 9:45AM Jan 23, 2021Observed: 7.19 ft at 10:00AM Jan 23, 2021Observed: 7.2 ft at 10:15AM Jan 23, 2021Observed: 7.2 ft at 10:30AM Jan 23, 2021Observed: 7.2 ft at 10:45AM Jan 23, 2021Observed: 7.2 ft at 11:00AM Jan 23, 2021Observed: 7.19 ft at 12:15PM Jan 23, 2021Observed: 7.19 ft at 12:30PM Jan 23, 2021Observed: 7.2 ft at 12:45PM Jan 23, 2021Observed: 7.19 ft at 1:00PM Jan 23, 2021Observed: 7.19 ft at 1:15PM Jan 23, 2021Observed: 7.19 ft at 1:30PM Jan 23, 2021Observed: 7.19 ft at 1:45PM Jan 23, 2021Observed: 7.19 ft at 2:00PM Jan 23, 2021Observed: 7.19 ft at 2:15PM Jan 23, 2021Observed: 7.18 ft at 2:30PM Jan 23, 2021Observed: 7.19 ft at 2:45PM Jan 23, 2021Observed: 7.19 ft at 3:00PM Jan 23, 2021Observed: 7.18 ft at 4:15PM Jan 23, 2021Observed: 7.18 ft at 4:30PM Jan 23, 2021Observed: 7.18 ft at 4:45PM Jan 23, 2021Observed: 7.18 ft at 5:00PM Jan 23, 2021Observed: 7.18 ft at 5:15PM Jan 23, 2021Observed: 7.18 ft at 5:30PM Jan 23, 2021Observed: 7.18 ft at 5:45PM Jan 23, 2021Observed: 7.18 ft at 6:00PM Jan 23, 2021Observed: 7.18 ft at 6:15PM Jan 23, 2021Observed: 7.18 ft at 6:30PM Jan 23, 2021Observed: 7.18 ft at 6:45PM Jan 23, 2021Observed: 7.18 ft at 6:46PM Jan 23, 2021Observed: 7.17 ft at 7:00PM Jan 23, 2021Observed: 7.17 ft at 7:01PM Jan 23, 2021Observed: 7.18 ft at 7:15PM Jan 23, 2021Observed: 7.18 ft at 7:16PM Jan 23, 2021Observed: 7.18 ft at 7:30PM Jan 23, 2021Observed: 7.18 ft at 7:31PM Jan 23, 2021Observed: 7.18 ft at 7:45PM Jan 23, 2021Observed: 7.18 ft at 8:00PM Jan 23, 2021Observed: 7.18 ft at 8:15PM Jan 23, 2021Observed: 7.17 ft at 8:30PM Jan 23, 2021Observed: 7.16 ft at 8:45PM Jan 23, 2021Observed: 7.17 ft at 9:00PM Jan 23, 2021Observed: 7.16 ft at 9:15PM Jan 23, 2021Observed: 7.16 ft at 9:30PM Jan 23, 2021Observed: 7.16 ft at 9:45PM Jan 23, 2021Observed: 7.16 ft at 10:00PM Jan 23, 2021Observed: 7.15 ft at 10:15PM Jan 23, 2021Observed: 7.16 ft at 10:30PM Jan 23, 2021Observed: 7.16 ft at 10:45PM Jan 23, 2021Observed: 7.16 ft at 11:00PM Jan 23, 2021Observed: 7.15 ft at 1:15AM Jan 24, 2021Observed: 7.15 ft at 1:30AM Jan 24, 2021Observed: 7.15 ft at 1:45AM Jan 24, 2021Observed: 7.15 ft at 2:00AM Jan 24, 2021Observed: 7.15 ft at 2:15AM Jan 24, 2021Observed: 7.14 ft at 2:30AM Jan 24, 2021Observed: 7.15 ft at 2:45AM Jan 24, 2021Observed: 7.14 ft at 3:00AM Jan 24, 2021Observed: 7.14 ft at 3:15AM Jan 24, 2021Observed: 7.13 ft at 3:30AM Jan 24, 2021Observed: 7.13 ft at 3:45AM Jan 24, 2021Observed: 7.13 ft at 4:00AM Jan 24, 2021Observed: 7.13 ft at 4:15AM Jan 24, 2021Observed: 7.12 ft at 4:30AM Jan 24, 2021Observed: 7.12 ft at 4:45AM Jan 24, 2021Observed: 7.11 ft at 5:00AM Jan 24, 2021Observed: 7.05 ft at 7:15AM Jan 24, 2021Observed: 7.04 ft at 7:30AM Jan 24, 2021Observed: 7.03 ft at 7:45AM Jan 24, 2021Observed: 7.01 ft at 8:00AM Jan 24, 2021Observed: 6.99 ft at 8:15AM Jan 24, 2021Observed: 6.98 ft at 8:30AM Jan 24, 2021Observed: 6.95 ft at 8:45AM Jan 24, 2021Observed: 6.94 ft at 9:00AM Jan 24, 2021Observed: 6.92 ft at 9:15AM Jan 24, 2021Observed: 6.91 ft at 9:30AM Jan 24, 2021Observed: 6.89 ft at 9:45AM Jan 24, 2021Observed: 6.88 ft at 10:00AM Jan 24, 2021Observed: 6.9 ft at 11:15AM Jan 24, 2021Observed: 6.89 ft at 11:30AM Jan 24, 2021Observed: 6.91 ft at 11:45AM Jan 24, 2021Observed: 6.92 ft at 12:00PM Jan 24, 2021Observed: 6.97 ft at 1:15PM Jan 24, 2021Observed: 6.97 ft at 1:30PM Jan 24, 2021Observed: 6.99 ft at 1:45PM Jan 24, 2021Observed: 7 ft at 2:00PM Jan 24, 2021Observed: 7.01 ft at 2:15PM Jan 24, 2021Observed: 7.02 ft at 2:30PM Jan 24, 2021Observed: 7.03 ft at 2:45PM Jan 24, 2021Observed: 7.04 ft at 3:00PM Jan 24, 2021Observed: 7.06 ft at 4:15PM Jan 24, 2021Observed: 7.07 ft at 4:30PM Jan 24, 2021Observed: 7.07 ft at 4:45PM Jan 24, 2021Observed: 7.07 ft at 5:00PM Jan 24, 2021Observed: 7.07 ft at 5:15PM Jan 24, 2021Observed: 7.07 ft at 5:30PM Jan 24, 2021Observed: 7.07 ft at 5:45PM Jan 24, 2021Observed: 7.07 ft at 6:00PM Jan 24, 2021Observed: 7.07 ft at 6:15PM Jan 24, 2021Observed: 7.08 ft at 6:30PM Jan 24, 2021Observed: 7.08 ft at 6:45PM Jan 24, 2021Observed: 7.08 ft at 7:00PM Jan 24, 2021Observed: 7.07 ft at 8:15PM Jan 24, 2021Observed: 7.07 ft at 8:30PM Jan 24, 2021Observed: 7.07 ft at 8:45PM Jan 24, 2021Observed: 7.07 ft at 9:00PM Jan 24, 2021Observed: 7.07 ft at 9:15PM Jan 24, 2021Observed: 7.07 ft at 9:30PM Jan 24, 2021Observed: 7.07 ft at 9:45PM Jan 24, 2021Observed: 7.07 ft at 10:00PM Jan 24, 2021Observed: 7.07 ft at 10:15PM Jan 24, 2021Observed: 7.07 ft at 10:30PM Jan 24, 2021Observed: 7.07 ft at 10:45PM Jan 24, 2021Observed: 7.07 ft at 11:00PM Jan 24, 2021Observed: 7.07 ft at 11:15PM Jan 24, 2021Observed: 7.07 ft at 11:30PM Jan 24, 2021Observed: 7.07 ft at 11:45PM Jan 24, 2021Observed: 7.07 ft at 12:00AM Jan 25, 2021Observed: 7.07 ft at 12:15AM Jan 25, 2021Observed: 7.08 ft at 12:30AM Jan 25, 2021Observed: 7.08 ft at 12:45AM Jan 25, 2021Observed: 7.08 ft at 1:00AM Jan 25, 2021Observed: 7.08 ft at 1:15AM Jan 25, 2021Observed: 7.08 ft at 1:30AM Jan 25, 2021Observed: 7.08 ft at 1:45AM Jan 25, 2021Observed: 7.09 ft at 2:00AM Jan 25, 2021Observed: 7.09 ft at 2:15AM Jan 25, 2021Observed: 7.09 ft at 2:30AM Jan 25, 2021Observed: 7.09 ft at 2:45AM Jan 25, 2021Observed: 7.09 ft at 3:00AM Jan 25, 2021Observed: 7.09 ft at 3:15AM Jan 25, 2021Observed: 7.09 ft at 3:30AM Jan 25, 2021Observed: 7.09 ft at 3:45AM Jan 25, 2021Observed: 7.09 ft at 4:00AM Jan 25, 2021Observed: 7.09 ft at 4:15AM Jan 25, 2021Observed: 7.09 ft at 4:30AM Jan 25, 2021Observed: 7.09 ft at 4:45AM Jan 25, 2021Observed: 7.09 ft at 5:00AM Jan 25, 2021Observed: 7.08 ft at 6:15AM Jan 25, 2021Observed: 7.08 ft at 6:30AM Jan 25, 2021Observed: 7.08 ft at 6:45AM Jan 25, 2021Observed: 7.08 ft at 7:00AM Jan 25, 2021Observed: 7.08 ft at 7:15AM Jan 25, 2021Observed: 7.08 ft at 7:30AM Jan 25, 2021Observed: 7.07 ft at 7:45AM Jan 25, 2021Observed: 7.08 ft at 8:00AM Jan 25, 2021Observed: 7.08 ft at 9:15AM Jan 25, 2021Observed: 7.07 ft at 9:30AM Jan 25, 2021Observed: 7.07 ft at 9:45AM Jan 25, 2021Observed: 7.07 ft at 10:00AM Jan 25, 2021Observed: 7.07 ft at 10:15AM Jan 25, 2021Observed: 7.07 ft at 10:30AM Jan 25, 2021Observed: 7.07 ft at 10:45AM Jan 25, 2021Observed: 7.07 ft at 11:00AM Jan 25, 2021Observed: 7.07 ft at 12:15PM Jan 25, 2021Observed: 7.07 ft at 12:30PM Jan 25, 2021Observed: 7.06 ft at 12:45PM Jan 25, 2021Observed: 7.06 ft at 1:00PM Jan 25, 2021Observed: 7.04 ft at 4:15PM Jan 25, 2021Observed: 7.04 ft at 4:30PM Jan 25, 2021Observed: 7.03 ft at 4:45PM Jan 25, 2021Observed: 7.03 ft at 5:00PM Jan 25, 2021Observed: 7.03 ft at 5:15PM Jan 25, 2021Observed: 7.03 ft at 5:30PM Jan 25, 2021Observed: 7.03 ft at 5:45PM Jan 25, 2021Observed: 7.03 ft at 6:00PM Jan 25, 2021USGS--Water Resources of the United StatesUNVN6(plotting HGIRG) Graph Created (7:01PM Jan 25, 2021)ObservedLatest observed value: 7.03 ft at 6:00 PM EST 25-Jan-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Graphical forecasts are not available for the Wallkill at Unionville. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 41.287800° N, Longitude: 74.534300° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 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:
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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
Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
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