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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Observed: 586.4 ft at 6:25AM Jul 13, 2018Observed: 586.41 ft at 6:45AM Jul 13, 2018Observed: 586.41 ft at 6:50AM Jul 13, 2018Highest Observation: 586.42 ft at 7:05AM Jul 13, 2018Observed: 586.4 ft at 7:25AM Jul 13, 2018Observed: 586.41 ft at 7:40AM Jul 13, 2018Observed: 586.4 ft at 7:55AM Jul 13, 2018Observed: 586.41 ft at 8:10AM Jul 13, 2018Observed: 586.4 ft at 8:25AM Jul 13, 2018Observed: 586.41 ft at 8:45AM Jul 13, 2018Observed: 586.41 ft at 8:50AM Jul 13, 2018Observed: 586.4 ft at 9:05AM Jul 13, 2018Observed: 586.4 ft at 9:25AM Jul 13, 2018Observed: 586.4 ft at 9:40AM Jul 13, 2018Observed: 586.39 ft at 9:55AM Jul 13, 2018Observed: 586.39 ft at 10:10AM Jul 13, 2018Observed: 586.39 ft at 10:25AM Jul 13, 2018Observed: 586.39 ft at 10:45AM Jul 13, 2018Observed: 586.39 ft at 10:50AM Jul 13, 2018Observed: 586.37 ft at 11:05AM Jul 13, 2018Observed: 586.38 ft at 11:25AM Jul 13, 2018Observed: 586.36 ft at 11:40AM Jul 13, 2018Observed: 586.37 ft at 11:55AM Jul 13, 2018Observed: 586.36 ft at 12:10PM Jul 13, 2018Observed: 586.36 ft at 12:25PM Jul 13, 2018Observed: 586.35 ft at 12:45PM Jul 13, 2018Observed: 586.35 ft at 12:50PM Jul 13, 2018Observed: 586.35 ft at 1:05PM Jul 13, 2018Observed: 586.35 ft at 1:25PM Jul 13, 2018Observed: 586.34 ft at 1:40PM Jul 13, 2018Observed: 586.34 ft at 1:55PM Jul 13, 2018Observed: 586.33 ft at 2:10PM Jul 13, 2018Observed: 586.34 ft at 2:25PM Jul 13, 2018Observed: 586.34 ft at 2:45PM Jul 13, 2018Observed: 586.34 ft at 2:50PM Jul 13, 2018Observed: 586.34 ft at 3:05PM Jul 13, 2018Observed: 586.34 ft at 3:25PM Jul 13, 2018Observed: 586.34 ft at 3:40PM Jul 13, 2018Observed: 586.33 ft at 3:55PM Jul 13, 2018Observed: 586.34 ft at 4:10PM Jul 13, 2018Observed: 586.33 ft at 4:25PM Jul 13, 2018Observed: 586.34 ft at 4:45PM Jul 13, 2018Observed: 586.34 ft at 4:50PM Jul 13, 2018Observed: 586.33 ft at 5:05PM Jul 13, 2018Observed: 586.33 ft at 5:25PM Jul 13, 2018Observed: 586.33 ft at 5:40PM Jul 13, 2018Observed: 586.33 ft at 5:55PM Jul 13, 2018Observed: 586.33 ft at 6:10PM Jul 13, 2018Observed: 586.33 ft at 6:25PM Jul 13, 2018Observed: 586.33 ft at 6:45PM Jul 13, 2018Observed: 586.33 ft at 6:50PM Jul 13, 2018Observed: 586.34 ft at 7:05PM Jul 13, 2018Observed: 586.33 ft at 7:25PM Jul 13, 2018Observed: 586.33 ft at 7:40PM Jul 13, 2018Observed: 586.33 ft at 7:55PM Jul 13, 2018Observed: 586.33 ft at 8:10PM Jul 13, 2018Observed: 586.33 ft at 8:25PM Jul 13, 2018Observed: 586.33 ft at 8:45PM Jul 13, 2018Observed: 586.33 ft at 8:50PM Jul 13, 2018Observed: 586.33 ft at 9:05PM Jul 13, 2018Observed: 586.33 ft at 9:25PM Jul 13, 2018Observed: 586.33 ft at 9:40PM Jul 13, 2018Observed: 586.33 ft at 9:55PM Jul 13, 2018Observed: 586.33 ft at 10:10PM Jul 13, 2018Observed: 586.33 ft at 10:25PM Jul 13, 2018Observed: 586.34 ft at 10:45PM Jul 13, 2018Observed: 586.33 ft at 10:50PM Jul 13, 2018Observed: 586.33 ft at 11:05PM Jul 13, 2018Observed: 586.33 ft at 11:25PM Jul 13, 2018Observed: 586.33 ft at 11:40PM Jul 13, 2018Observed: 586.33 ft at 11:45PM Jul 13, 2018Observed: 586.33 ft at 1:55AM Jul 14, 2018Observed: 586.33 ft at 2:10AM Jul 14, 2018Observed: 586.33 ft at 2:25AM Jul 14, 2018Observed: 586.32 ft at 2:45AM Jul 14, 2018Observed: 586.32 ft at 2:50AM Jul 14, 2018Observed: 586.33 ft at 3:05AM Jul 14, 2018Observed: 586.33 ft at 3:25AM Jul 14, 2018Observed: 586.33 ft at 3:40AM Jul 14, 2018Observed: 586.32 ft at 3:55AM Jul 14, 2018Observed: 586.33 ft at 4:10AM Jul 14, 2018Observed: 586.33 ft at 4:25AM Jul 14, 2018Observed: 586.32 ft at 4:45AM Jul 14, 2018Observed: 586.32 ft at 4:50AM Jul 14, 2018Observed: 586.33 ft at 5:05AM Jul 14, 2018Observed: 586.32 ft at 5:25AM Jul 14, 2018Observed: 586.33 ft at 5:40AM Jul 14, 2018Observed: 586.32 ft at 5:55AM Jul 14, 2018Observed: 586.33 ft at 6:10AM Jul 14, 2018Observed: 586.32 ft at 6:25AM Jul 14, 2018Observed: 586.32 ft at 6:45AM Jul 14, 2018Observed: 586.32 ft at 6:50AM Jul 14, 2018Observed: 586.32 ft at 7:05AM Jul 14, 2018Observed: 586.32 ft at 7:25AM Jul 14, 2018Observed: 586.33 ft at 7:40AM Jul 14, 2018Observed: 586.32 ft at 7:55AM Jul 14, 2018Observed: 586.32 ft at 8:10AM Jul 14, 2018Observed: 586.32 ft at 8:25AM Jul 14, 2018Observed: 586.33 ft at 8:45AM Jul 14, 2018Observed: 586.32 ft at 8:50AM Jul 14, 2018Observed: 586.32 ft at 9:05AM Jul 14, 2018Observed: 586.32 ft at 9:25AM Jul 14, 2018Observed: 586.32 ft at 9:40AM Jul 14, 2018Observed: 586.32 ft at 9:55AM Jul 14, 2018Observed: 586.32 ft at 10:10AM Jul 14, 2018Observed: 586.32 ft at 10:25AM Jul 14, 2018Observed: 586.32 ft at 10:45AM Jul 14, 2018Observed: 586.33 ft at 10:50AM Jul 14, 2018Observed: 586.32 ft at 11:05AM Jul 14, 2018Observed: 586.33 ft at 11:25AM Jul 14, 2018Observed: 586.32 ft at 11:40AM Jul 14, 2018Observed: 586.33 ft at 11:55AM Jul 14, 2018Observed: 586.32 ft at 12:10PM Jul 14, 2018Observed: 586.33 ft at 12:25PM Jul 14, 2018Observed: 586.32 ft at 12:45PM Jul 14, 2018Observed: 586.33 ft at 12:50PM Jul 14, 2018Observed: 586.32 ft at 1:05PM Jul 14, 2018Observed: 586.32 ft at 1:25PM Jul 14, 2018Observed: 586.32 ft at 1:40PM Jul 14, 2018Observed: 586.32 ft at 1:55PM Jul 14, 2018Observed: 586.32 ft at 2:10PM Jul 14, 2018Observed: 586.32 ft at 2:25PM Jul 14, 2018Observed: 586.32 ft at 2:45PM Jul 14, 2018Observed: 586.32 ft at 2:50PM Jul 14, 2018Observed: 586.33 ft at 3:05PM Jul 14, 2018Observed: 586.32 ft at 3:25PM Jul 14, 2018Observed: 586.32 ft at 3:40PM Jul 14, 2018Observed: 586.32 ft at 3:55PM Jul 14, 2018Observed: 586.32 ft at 4:10PM Jul 14, 2018Observed: 586.33 ft at 4:25PM Jul 14, 2018Observed: 586.34 ft at 4:45PM Jul 14, 2018Observed: 586.34 ft at 4:50PM Jul 14, 2018Observed: 586.34 ft at 5:05PM Jul 14, 2018Observed: 586.33 ft at 5:25PM Jul 14, 2018Observed: 586.33 ft at 5:40PM Jul 14, 2018Observed: 586.33 ft at 5:55PM Jul 14, 2018Observed: 586.32 ft at 6:10PM Jul 14, 2018Observed: 586.33 ft at 6:25PM Jul 14, 2018Observed: 586.32 ft at 6:45PM Jul 14, 2018Observed: 586.33 ft at 6:50PM Jul 14, 2018Observed: 586.33 ft at 7:05PM Jul 14, 2018Observed: 586.34 ft at 7:25PM Jul 14, 2018Observed: 586.32 ft at 7:40PM Jul 14, 2018Observed: 586.37 ft at 7:55PM Jul 14, 2018Observed: 586.35 ft at 8:10PM Jul 14, 2018Observed: 586.35 ft at 8:25PM Jul 14, 2018Observed: 586.33 ft at 8:45PM Jul 14, 2018Observed: 586.33 ft at 8:50PM Jul 14, 2018Observed: 586.39 ft at 9:05PM Jul 14, 2018Observed: 586.35 ft at 9:25PM Jul 14, 2018Observed: 586.4 ft at 9:40PM Jul 14, 2018Observed: 586.35 ft at 9:55PM Jul 14, 2018Observed: 586.39 ft at 10:10PM Jul 14, 2018Observed: 586.34 ft at 10:25PM Jul 14, 2018Observed: 586.38 ft at 10:45PM Jul 14, 2018Observed: 586.36 ft at 10:50PM Jul 14, 2018Observed: 586.37 ft at 11:05PM Jul 14, 2018Observed: 586.34 ft at 11:25PM Jul 14, 2018Observed: 586.38 ft at 11:40PM Jul 14, 2018Observed: 586.39 ft at 11:45PM Jul 14, 2018Observed: 586.38 ft at 1:55AM Jul 15, 2018Observed: 586.33 ft at 2:10AM Jul 15, 2018Observed: 586.38 ft at 2:25AM Jul 15, 2018Observed: 586.36 ft at 2:45AM Jul 15, 2018Observed: 586.38 ft at 2:50AM Jul 15, 2018Observed: 586.36 ft at 3:05AM Jul 15, 2018Observed: 586.39 ft at 3:25AM Jul 15, 2018Observed: 586.36 ft at 3:40AM Jul 15, 2018Observed: 586.39 ft at 3:55AM Jul 15, 2018Observed: 586.36 ft at 4:10AM Jul 15, 2018Observed: 586.4 ft at 4:25AM Jul 15, 2018Observed: 586.35 ft at 4:45AM Jul 15, 2018Observed: 586.36 ft at 4:50AM Jul 15, 2018Observed: 586.39 ft at 5:05AM Jul 15, 2018Observed: 586.36 ft at 5:25AM Jul 15, 2018Observed: 586.37 ft at 5:40AM Jul 15, 2018Observed: 586.36 ft at 5:55AM Jul 15, 2018Observed: 586.39 ft at 6:10AM Jul 15, 2018Observed: 586.36 ft at 6:25AM Jul 15, 2018Observed: 586.37 ft at 6:45AM Jul 15, 2018Observed: 586.36 ft at 6:50AM Jul 15, 2018Observed: 586.38 ft at 7:05AM Jul 15, 2018Observed: 586.36 ft at 7:25AM Jul 15, 2018Observed: 586.39 ft at 7:40AM Jul 15, 2018Observed: 586.36 ft at 7:55AM Jul 15, 2018Observed: 586.39 ft at 8:10AM Jul 15, 2018Observed: 586.36 ft at 8:25AM Jul 15, 2018Observed: 586.39 ft at 8:45AM Jul 15, 2018Observed: 586.38 ft at 8:50AM Jul 15, 2018Observed: 586.37 ft at 9:05AM Jul 15, 2018Observed: 586.38 ft at 9:25AM Jul 15, 2018Observed: 586.38 ft at 9:40AM Jul 15, 2018Observed: 586.38 ft at 9:55AM Jul 15, 2018Observed: 586.38 ft at 10:10AM Jul 15, 2018Observed: 586.37 ft at 10:25AM Jul 15, 2018Observed: 586.38 ft at 10:45AM Jul 15, 2018Observed: 586.38 ft at 10:50AM Jul 15, 2018Observed: 586.37 ft at 11:05AM Jul 15, 2018Observed: 586.38 ft at 11:25AM Jul 15, 2018Observed: 586.36 ft at 11:40AM Jul 15, 2018Observed: 586.38 ft at 11:55AM Jul 15, 2018Observed: 586.37 ft at 12:10PM Jul 15, 2018Observed: 586.38 ft at 12:25PM Jul 15, 2018Observed: 586.37 ft at 12:45PM Jul 15, 2018Observed: 586.37 ft at 12:50PM Jul 15, 2018Observed: 586.36 ft at 1:05PM Jul 15, 2018Observed: 586.38 ft at 1:25PM Jul 15, 2018Observed: 586.36 ft at 1:40PM Jul 15, 2018Observed: 586.37 ft at 1:55PM Jul 15, 2018Observed: 586.36 ft at 2:10PM Jul 15, 2018Observed: 586.37 ft at 2:25PM Jul 15, 2018Observed: 586.38 ft at 2:45PM Jul 15, 2018Observed: 586.38 ft at 2:50PM Jul 15, 2018Observed: 586.38 ft at 3:05PM Jul 15, 2018Observed: 586.36 ft at 3:25PM Jul 15, 2018Observed: 586.36 ft at 3:40PM Jul 15, 2018Observed: 586.36 ft at 3:55PM Jul 15, 2018Observed: 586.37 ft at 4:10PM Jul 15, 2018Observed: 586.36 ft at 4:25PM Jul 15, 2018Observed: 586.37 ft at 4:45PM Jul 15, 2018Observed: 586.36 ft at 4:50PM Jul 15, 2018Observed: 586.37 ft at 5:05PM Jul 15, 2018Observed: 586.36 ft at 5:25PM Jul 15, 2018Observed: 586.38 ft at 5:40PM Jul 15, 2018Observed: 586.36 ft at 5:55PM Jul 15, 2018Observed: 586.38 ft at 6:10PM Jul 15, 2018Observed: 586.36 ft at 6:25PM Jul 15, 2018Observed: 586.38 ft at 6:45PM Jul 15, 2018Observed: 586.37 ft at 6:50PM Jul 15, 2018Observed: 586.36 ft at 7:05PM Jul 15, 2018Observed: 586.36 ft at 7:25PM Jul 15, 2018Observed: 586.36 ft at 7:40PM Jul 15, 2018Observed: 586.36 ft at 7:55PM Jul 15, 2018Observed: 586.36 ft at 8:10PM Jul 15, 2018Observed: 586.37 ft at 8:25PM Jul 15, 2018Observed: 586.37 ft at 8:45PM Jul 15, 2018Observed: 586.37 ft at 8:50PM Jul 15, 2018Observed: 586.36 ft at 9:05PM Jul 15, 2018Observed: 586.37 ft at 9:25PM Jul 15, 2018Observed: 586.36 ft at 9:40PM Jul 15, 2018Observed: 586.38 ft at 9:55PM Jul 15, 2018Observed: 586.36 ft at 10:10PM Jul 15, 2018Observed: 586.38 ft at 10:25PM Jul 15, 2018Observed: 586.36 ft at 10:45PM Jul 15, 2018Observed: 586.36 ft at 10:50PM Jul 15, 2018Observed: 586.37 ft at 11:05PM Jul 15, 2018Observed: 586.36 ft at 11:25PM Jul 15, 2018Observed: 586.36 ft at 11:40PM Jul 15, 2018Observed: 586.36 ft at 11:45PM Jul 15, 2018Observed: 586.36 ft at 1:55AM Jul 16, 2018Observed: 586.37 ft at 2:10AM Jul 16, 2018Observed: 586.36 ft at 2:25AM Jul 16, 2018Observed: 586.37 ft at 2:45AM Jul 16, 2018Observed: 586.37 ft at 2:50AM Jul 16, 2018Observed: 586.37 ft at 3:05AM Jul 16, 2018Observed: 586.36 ft at 3:25AM Jul 16, 2018Observed: 586.37 ft at 3:40AM Jul 16, 2018Observed: 586.37 ft at 3:55AM Jul 16, 2018Observed: 586.37 ft at 4:10AM Jul 16, 2018Observed: 586.36 ft at 4:25AM Jul 16, 2018Observed: 586.36 ft at 4:45AM Jul 16, 2018Observed: 586.37 ft at 4:50AM Jul 16, 2018Observed: 586.37 ft at 5:05AM Jul 16, 2018Forecast: 586.5 ft 8:00AM Jul 16, 2018Forecast: 586.5 ft 2:00PM Jul 16, 2018Forecast: 586.5 ft 8:00PM Jul 16, 2018Forecast: 586.5 ft 2:00AM Jul 17, 2018Forecast: 586.5 ft 8:00AM Jul 17, 2018Forecast: 586.6 ft 2:00PM Jul 17, 2018Forecast: 586.7 ft 8:00PM Jul 17, 2018Highest Forecast: 586.8 ft 2:00AM Jul 18, 2018Highest Forecast: 586.8 ft 8:00AM Jul 18, 2018ASEN6(plotting HPIRZ) Graph Created (6:15AM Jul 16, 2018)ObservedForecast (issued 11:17AM Jul 15)Latest observed value: 586.37 ft at 5:05 AM EDT 16-Jul-2018. Flood Stage is 589 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: The data are from automated sensors and are courtesy of the New York City Department of Environmental Protection. They are provisional and subject to change.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Esopus Creek at Ashokan Reservoir East are issued routinely year-round.

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Upstream Gauge - at Cold Brook Upstream Gauge Downstream Gauge Downstream Gauge - at Mount Marion
Flood Categories (in feet)
Major Flood Stage: 591
Moderate Flood Stage: 590
Flood Stage: 589
Action Stage: 587.1
Low Stage (in feet): -9999

Historic Crests
(1) 592.23 ft on 03/31/1951
(2) 591.38 ft on 04/03/2005
(3) 590.90 ft on 04/05/1987
(4) 590.58 ft on 08/29/2011
(5) 589.92 ft on 04/17/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 589.56 ft on 09/08/2011
(2) 590.58 ft on 08/29/2011
(3) 589.39 ft on 03/23/2010
(4) 589.92 ft on 04/17/2007
(5) 591.38 ft on 04/03/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 525.91 ft on 10/24/1926
(2) 532.64 ft on 02/20/1981
(3) 536.86 ft on 10/09/1985
(4) 539.28 ft on 04/12/1989
(5) 540.91 ft on 12/21/1993
Show More Low Water Records
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
587.1 Reservoir at spillway level and begins to overflow into the Esopus Creek downstream. Downstream flooding is reference to the Mount Marion gage MRNN6.
586.5 This basin is nearly full and only 0.25 inch runoff is needed to start spilling over into the Esopus Creek downstream.
585.79 This basin has capacity for only about 0.50 inch of runoff before it will overflow into the Esopus Creek downstream.
585.1 This basin has capacity for only about 0.75 inch of runoff. It is getting close to full.
584.4 This basin has capacity for only about 1.0 inch of runoff.
583.1 This basin has capacity for about 1.5 inches of runoff.
581.6 This basin has capacity for about 2.0 inches of runoff.
580.29 This basin has capacity for about 2.5 inches of runoff.
578.79 This basin has capacity for about 3.0 inches of runoff.
576 This basin has capacity for about 4.0 inches of runoff.
573 This basin has capacity for about 5.0 inches of runoff.
570 This basin has capacity for about 6.0 inches of runoff.
About This Location Collapse

Latitude: 41.950278° N, Longitude: 74.208333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 589 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0 ft 589 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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.

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
Albany Weather Forecast Office
251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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Page last modified: 21-Dec-2016 5:21 PM
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