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Hydrograph River at a Glance Download
Wallkill at Unionville Stage (ft)Highest Observation: 6.52 ft at 5:00PM Aug 12, 2020Highest Observation: 6.52 ft at 5:15PM Aug 12, 2020Highest Observation: 6.52 ft at 5:30PM Aug 12, 2020Highest Observation: 6.52 ft at 5:45PM Aug 12, 2020Highest Observation: 6.52 ft at 6:00PM Aug 12, 2020Highest Observation: 6.52 ft at 6:15PM Aug 12, 2020Highest Observation: 6.52 ft at 6:30PM Aug 12, 2020Highest Observation: 6.52 ft at 6:45PM Aug 12, 2020Observed: 6.51 ft at 7:00PM Aug 12, 2020Highest Observation: 6.52 ft at 7:15PM Aug 12, 2020Observed: 6.51 ft at 7:30PM Aug 12, 2020Observed: 6.51 ft at 7:45PM Aug 12, 2020Observed: 6.51 ft at 8:00PM Aug 12, 2020Observed: 6.51 ft at 8:15PM Aug 12, 2020Observed: 6.51 ft at 8:30PM Aug 12, 2020Observed: 6.51 ft at 8:45PM Aug 12, 2020Observed: 6.51 ft at 9:00PM Aug 12, 2020Observed: 6.51 ft at 9:15PM Aug 12, 2020Observed: 6.51 ft at 9:30PM Aug 12, 2020Observed: 6.51 ft at 9:45PM Aug 12, 2020Observed: 6.51 ft at 10:00PM Aug 12, 2020Observed: 6.51 ft at 10:15PM Aug 12, 2020Observed: 6.5 ft at 10:30PM Aug 12, 2020Observed: 6.5 ft at 10:45PM Aug 12, 2020Observed: 6.5 ft at 11:00PM Aug 12, 2020Observed: 6.5 ft at 11:15PM Aug 12, 2020Observed: 6.5 ft at 11:30PM Aug 12, 2020Observed: 6.5 ft at 11:45PM Aug 12, 2020Observed: 6.5 ft at 12:00AM Aug 13, 2020Observed: 6.5 ft at 12:15AM Aug 13, 2020Observed: 6.5 ft at 12:30AM Aug 13, 2020Observed: 6.5 ft at 12:45AM Aug 13, 2020Observed: 6.5 ft at 1:00AM Aug 13, 2020Observed: 6.5 ft at 1:15AM Aug 13, 2020Observed: 6.5 ft at 1:30AM Aug 13, 2020Observed: 6.5 ft at 1:45AM Aug 13, 2020Observed: 6.5 ft at 2:00AM Aug 13, 2020Observed: 6.5 ft at 2:15AM Aug 13, 2020Observed: 6.5 ft at 2:30AM Aug 13, 2020Observed: 6.5 ft at 2:45AM Aug 13, 2020Observed: 6.5 ft at 3:00AM Aug 13, 2020Observed: 6.5 ft at 3:15AM Aug 13, 2020Observed: 6.5 ft at 3:30AM Aug 13, 2020Observed: 6.49 ft at 3:45AM Aug 13, 2020Observed: 6.49 ft at 4:00AM Aug 13, 2020Observed: 6.49 ft at 4:15AM Aug 13, 2020Observed: 6.49 ft at 4:30AM Aug 13, 2020Observed: 6.49 ft at 4:45AM Aug 13, 2020Observed: 6.49 ft at 5:00AM Aug 13, 2020Observed: 6.49 ft at 5:15AM Aug 13, 2020Observed: 6.49 ft at 5:30AM Aug 13, 2020Observed: 6.49 ft at 5:45AM Aug 13, 2020Observed: 6.49 ft at 6:00AM Aug 13, 2020Observed: 6.49 ft at 6:15AM Aug 13, 2020Observed: 6.49 ft at 6:30AM Aug 13, 2020Observed: 6.49 ft at 6:45AM Aug 13, 2020Observed: 6.49 ft at 7:00AM Aug 13, 2020Observed: 6.49 ft at 7:15AM Aug 13, 2020Observed: 6.49 ft at 7:30AM Aug 13, 2020Observed: 6.49 ft at 7:45AM Aug 13, 2020Observed: 6.49 ft at 8:00AM Aug 13, 2020Observed: 6.49 ft at 8:15AM Aug 13, 2020Observed: 6.48 ft at 8:30AM Aug 13, 2020Observed: 6.49 ft at 8:45AM Aug 13, 2020Observed: 6.49 ft at 9:00AM Aug 13, 2020Observed: 6.49 ft at 9:15AM Aug 13, 2020Observed: 6.48 ft at 9:30AM Aug 13, 2020Observed: 6.48 ft at 9:45AM Aug 13, 2020Observed: 6.48 ft at 10:00AM Aug 13, 2020Observed: 6.48 ft at 10:15AM Aug 13, 2020Observed: 6.48 ft at 10:30AM Aug 13, 2020Observed: 6.48 ft at 10:45AM Aug 13, 2020Observed: 6.48 ft at 11:00AM Aug 13, 2020Observed: 6.48 ft at 11:15AM Aug 13, 2020Observed: 6.48 ft at 11:30AM Aug 13, 2020Observed: 6.48 ft at 11:45AM Aug 13, 2020Observed: 6.48 ft at 12:00PM Aug 13, 2020Observed: 6.48 ft at 12:15PM Aug 13, 2020Observed: 6.48 ft at 12:30PM Aug 13, 2020Observed: 6.48 ft at 12:45PM Aug 13, 2020Observed: 6.48 ft at 1:00PM Aug 13, 2020Observed: 6.48 ft at 1:15PM Aug 13, 2020Observed: 6.48 ft at 1:30PM Aug 13, 2020Observed: 6.48 ft at 1:45PM Aug 13, 2020Observed: 6.48 ft at 2:00PM Aug 13, 2020Observed: 6.47 ft at 2:15PM Aug 13, 2020Observed: 6.47 ft at 2:30PM Aug 13, 2020Observed: 6.47 ft at 2:45PM Aug 13, 2020Observed: 6.47 ft at 3:00PM Aug 13, 2020Observed: 6.47 ft at 3:15PM Aug 13, 2020Observed: 6.47 ft at 3:30PM Aug 13, 2020Observed: 6.47 ft at 3:45PM Aug 13, 2020Observed: 6.47 ft at 4:00PM Aug 13, 2020Observed: 6.47 ft at 4:15PM Aug 13, 2020Observed: 6.47 ft at 4:30PM Aug 13, 2020Observed: 6.47 ft at 4:45PM Aug 13, 2020Observed: 6.47 ft at 5:00PM Aug 13, 2020Observed: 6.47 ft at 5:15PM Aug 13, 2020Observed: 6.47 ft at 5:30PM Aug 13, 2020Observed: 6.47 ft at 5:45PM Aug 13, 2020Observed: 6.47 ft at 6:00PM Aug 13, 2020Observed: 6.47 ft at 6:15PM Aug 13, 2020Observed: 6.47 ft at 6:30PM Aug 13, 2020Observed: 6.47 ft at 6:45PM Aug 13, 2020Observed: 6.47 ft at 7:00PM Aug 13, 2020Observed: 6.47 ft at 7:15PM Aug 13, 2020Observed: 6.47 ft at 7:30PM Aug 13, 2020Observed: 6.46 ft at 7:45PM Aug 13, 2020Observed: 6.46 ft at 8:00PM Aug 13, 2020Observed: 6.46 ft at 8:15PM Aug 13, 2020Observed: 6.46 ft at 8:30PM Aug 13, 2020Observed: 6.46 ft at 8:45PM Aug 13, 2020Observed: 6.46 ft at 9:00PM Aug 13, 2020Observed: 6.46 ft at 10:15PM Aug 13, 2020Observed: 6.46 ft at 10:30PM Aug 13, 2020Observed: 6.45 ft at 10:45PM Aug 13, 2020Observed: 6.45 ft at 11:00PM Aug 13, 2020Observed: 6.45 ft at 11:15PM Aug 13, 2020Observed: 6.45 ft at 11:30PM Aug 13, 2020Observed: 6.45 ft at 11:45PM Aug 13, 2020Observed: 6.45 ft at 12:00AM Aug 14, 2020Observed: 6.45 ft at 12:15AM Aug 14, 2020Observed: 6.45 ft at 12:30AM Aug 14, 2020Observed: 6.45 ft at 12:45AM Aug 14, 2020Observed: 6.45 ft at 1:00AM Aug 14, 2020Observed: 6.45 ft at 1:15AM Aug 14, 2020Observed: 6.45 ft at 1:30AM Aug 14, 2020Observed: 6.45 ft at 1:45AM Aug 14, 2020Observed: 6.45 ft at 2:00AM Aug 14, 2020Observed: 6.45 ft at 2:15AM Aug 14, 2020Observed: 6.44 ft at 2:30AM Aug 14, 2020Observed: 6.45 ft at 2:45AM Aug 14, 2020Observed: 6.45 ft at 3:00AM Aug 14, 2020Observed: 6.44 ft at 3:15AM Aug 14, 2020Observed: 6.44 ft at 3:30AM Aug 14, 2020Observed: 6.44 ft at 3:45AM Aug 14, 2020Observed: 6.44 ft at 4:00AM Aug 14, 2020Observed: 6.44 ft at 4:15AM Aug 14, 2020Observed: 6.44 ft at 4:30AM Aug 14, 2020Observed: 6.44 ft at 4:45AM Aug 14, 2020Observed: 6.44 ft at 5:00AM Aug 14, 2020Observed: 6.44 ft at 5:15AM Aug 14, 2020Observed: 6.44 ft at 5:30AM Aug 14, 2020Observed: 6.44 ft at 5:45AM Aug 14, 2020Observed: 6.44 ft at 6:00AM Aug 14, 2020Observed: 6.44 ft at 6:15AM Aug 14, 2020Observed: 6.44 ft at 6:30AM Aug 14, 2020Observed: 6.44 ft at 6:45AM Aug 14, 2020Observed: 6.44 ft at 7:00AM Aug 14, 2020Observed: 6.44 ft at 7:15AM Aug 14, 2020Observed: 6.44 ft at 7:30AM Aug 14, 2020Observed: 6.44 ft at 7:45AM Aug 14, 2020Observed: 6.44 ft at 8:00AM Aug 14, 2020Observed: 6.44 ft at 8:15AM Aug 14, 2020Observed: 6.44 ft at 8:30AM Aug 14, 2020Observed: 6.44 ft at 8:45AM Aug 14, 2020Observed: 6.44 ft at 9:00AM Aug 14, 2020Observed: 6.44 ft at 9:15AM Aug 14, 2020Observed: 6.44 ft at 9:30AM Aug 14, 2020Observed: 6.44 ft at 9:45AM Aug 14, 2020Observed: 6.44 ft at 10:00AM Aug 14, 2020Observed: 6.44 ft at 10:15AM Aug 14, 2020Observed: 6.44 ft at 10:30AM Aug 14, 2020Observed: 6.44 ft at 10:45AM Aug 14, 2020Observed: 6.44 ft at 11:00AM Aug 14, 2020Observed: 6.43 ft at 11:15AM Aug 14, 2020Observed: 6.44 ft at 11:30AM Aug 14, 2020Observed: 6.44 ft at 11:45AM Aug 14, 2020Observed: 6.44 ft at 12:00PM Aug 14, 2020Observed: 6.44 ft at 12:15PM Aug 14, 2020Observed: 6.44 ft at 12:30PM Aug 14, 2020Observed: 6.44 ft at 12:45PM Aug 14, 2020Observed: 6.44 ft at 1:00PM Aug 14, 2020Observed: 6.44 ft at 1:15PM Aug 14, 2020Observed: 6.44 ft at 1:30PM Aug 14, 2020Observed: 6.43 ft at 1:45PM Aug 14, 2020Observed: 6.43 ft at 2:00PM Aug 14, 2020Observed: 6.43 ft at 2:15PM Aug 14, 2020Observed: 6.43 ft at 2:30PM Aug 14, 2020Observed: 6.43 ft at 2:45PM Aug 14, 2020Observed: 6.43 ft at 3:00PM Aug 14, 2020Observed: 6.43 ft at 3:15PM Aug 14, 2020Observed: 6.43 ft at 3:30PM Aug 14, 2020Observed: 6.43 ft at 3:45PM Aug 14, 2020Observed: 6.43 ft at 4:00PM Aug 14, 2020Observed: 6.43 ft at 4:15PM Aug 14, 2020Observed: 6.43 ft at 4:30PM Aug 14, 2020Observed: 6.42 ft at 4:45PM Aug 14, 2020Observed: 6.42 ft at 5:00PM Aug 14, 2020Observed: 6.43 ft at 5:15PM Aug 14, 2020Observed: 6.43 ft at 5:30PM Aug 14, 2020Observed: 6.42 ft at 5:45PM Aug 14, 2020Observed: 6.42 ft at 6:00PM Aug 14, 2020Observed: 6.42 ft at 6:15PM Aug 14, 2020Observed: 6.42 ft at 6:30PM Aug 14, 2020Observed: 6.42 ft at 6:45PM Aug 14, 2020Observed: 6.42 ft at 7:00PM Aug 14, 2020Observed: 6.42 ft at 7:15PM Aug 14, 2020Observed: 6.42 ft at 7:30PM Aug 14, 2020Observed: 6.42 ft at 7:45PM Aug 14, 2020Observed: 6.42 ft at 8:00PM Aug 14, 2020Observed: 6.42 ft at 8:15PM Aug 14, 2020Observed: 6.42 ft at 8:30PM Aug 14, 2020Observed: 6.42 ft at 8:45PM Aug 14, 2020Observed: 6.41 ft at 9:00PM Aug 14, 2020Observed: 6.41 ft at 9:15PM Aug 14, 2020Observed: 6.41 ft at 9:30PM Aug 14, 2020Observed: 6.41 ft at 9:45PM Aug 14, 2020Observed: 6.41 ft at 10:00PM Aug 14, 2020Observed: 6.41 ft at 10:15PM Aug 14, 2020Observed: 6.41 ft at 10:30PM Aug 14, 2020Observed: 6.41 ft at 10:45PM Aug 14, 2020Observed: 6.41 ft at 11:00PM Aug 14, 2020Observed: 6.41 ft at 11:15PM Aug 14, 2020Observed: 6.41 ft at 11:30PM Aug 14, 2020Observed: 6.41 ft at 11:45PM Aug 14, 2020Observed: 6.41 ft at 12:00AM Aug 15, 2020Observed: 6.41 ft at 12:15AM Aug 15, 2020Observed: 6.41 ft at 12:30AM Aug 15, 2020Observed: 6.41 ft at 12:45AM Aug 15, 2020Observed: 6.41 ft at 1:00AM Aug 15, 2020Observed: 6.41 ft at 1:15AM Aug 15, 2020Observed: 6.41 ft at 1:30AM Aug 15, 2020Observed: 6.41 ft at 1:45AM Aug 15, 2020Observed: 6.41 ft at 2:00AM Aug 15, 2020Observed: 6.41 ft at 3:15AM Aug 15, 2020Observed: 6.41 ft at 3:30AM Aug 15, 2020Observed: 6.41 ft at 3:45AM Aug 15, 2020Observed: 6.41 ft at 4:00AM Aug 15, 2020Observed: 6.41 ft at 4:15AM Aug 15, 2020Observed: 6.41 ft at 4:30AM Aug 15, 2020Observed: 6.4 ft at 4:45AM Aug 15, 2020Observed: 6.41 ft at 5:00AM Aug 15, 2020Observed: 6.4 ft at 5:15AM Aug 15, 2020Observed: 6.4 ft at 5:30AM Aug 15, 2020Observed: 6.4 ft at 5:45AM Aug 15, 2020Observed: 6.4 ft at 6:00AM Aug 15, 2020Observed: 6.4 ft at 6:15AM Aug 15, 2020Observed: 6.4 ft at 6:30AM Aug 15, 2020Observed: 6.4 ft at 6:45AM Aug 15, 2020Observed: 6.4 ft at 7:00AM Aug 15, 2020Observed: 6.4 ft at 7:15AM Aug 15, 2020Observed: 6.4 ft at 7:30AM Aug 15, 2020Observed: 6.4 ft at 7:45AM Aug 15, 2020Observed: 6.4 ft at 8:00AM Aug 15, 2020Observed: 6.4 ft at 8:15AM Aug 15, 2020Observed: 6.4 ft at 8:30AM Aug 15, 2020Observed: 6.4 ft at 8:45AM Aug 15, 2020Observed: 6.4 ft at 9:00AM Aug 15, 2020Observed: 6.4 ft at 9:15AM Aug 15, 2020Observed: 6.4 ft at 9:30AM Aug 15, 2020Observed: 6.4 ft at 9:45AM Aug 15, 2020Observed: 6.4 ft at 10:00AM Aug 15, 2020Observed: 6.4 ft at 10:15AM Aug 15, 2020Observed: 6.4 ft at 10:30AM Aug 15, 2020Observed: 6.4 ft at 10:45AM Aug 15, 2020Observed: 6.4 ft at 11:00AM Aug 15, 2020Observed: 6.4 ft at 11:15AM Aug 15, 2020Observed: 6.39 ft at 11:30AM Aug 15, 2020Observed: 6.4 ft at 11:45AM Aug 15, 2020Observed: 6.4 ft at 12:00PM Aug 15, 2020Observed: 6.4 ft at 12:15PM Aug 15, 2020Observed: 6.39 ft at 12:30PM Aug 15, 2020Observed: 6.4 ft at 12:45PM Aug 15, 2020Observed: 6.39 ft at 1:00PM Aug 15, 2020Observed: 6.39 ft at 1:15PM Aug 15, 2020Observed: 6.39 ft at 1:30PM Aug 15, 2020Observed: 6.39 ft at 1:45PM Aug 15, 2020Observed: 6.39 ft at 2:00PM Aug 15, 2020Observed: 6.39 ft at 2:15PM Aug 15, 2020Observed: 6.39 ft at 2:30PM Aug 15, 2020Observed: 6.39 ft at 2:45PM Aug 15, 2020Observed: 6.39 ft at 3:00PM Aug 15, 2020Observed: 6.39 ft at 3:15PM Aug 15, 2020Observed: 6.39 ft at 3:30PM Aug 15, 2020Observed: 6.39 ft at 3:45PM Aug 15, 2020Observed: 6.39 ft at 4:00PM Aug 15, 2020USGS--Water Resources of the United StatesUNVN6(plotting HGIRG) Graph Created (4:46PM Aug 15, 2020)ObservedLatest observed value: 6.39 ft at 4:00 PM EDT 15-Aug-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
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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Hydrologic Resources Additional Resources
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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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