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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Observed: 586.35 ft at 4:40PM Jul 24, 2017Observed: 586.35 ft at 4:55PM Jul 24, 2017Observed: 586.34 ft at 5:10PM Jul 24, 2017Observed: 586.35 ft at 5:25PM Jul 24, 2017Observed: 586.36 ft at 5:35PM Jul 24, 2017Observed: 586.35 ft at 5:50PM Jul 24, 2017Observed: 586.34 ft at 6:05PM Jul 24, 2017Observed: 586.34 ft at 6:20PM Jul 24, 2017Observed: 586.34 ft at 6:40PM Jul 24, 2017Observed: 586.35 ft at 6:55PM Jul 24, 2017Observed: 586.34 ft at 7:10PM Jul 24, 2017Observed: 586.35 ft at 7:25PM Jul 24, 2017Observed: 586.35 ft at 7:35PM Jul 24, 2017Observed: 586.33 ft at 7:50PM Jul 24, 2017Observed: 586.36 ft at 8:05PM Jul 24, 2017Observed: 586.34 ft at 8:20PM Jul 24, 2017Observed: 586.35 ft at 8:40PM Jul 24, 2017Observed: 586.35 ft at 8:55PM Jul 24, 2017Observed: 586.35 ft at 9:10PM Jul 24, 2017Observed: 586.35 ft at 9:25PM Jul 24, 2017Observed: 586.35 ft at 9:35PM Jul 24, 2017Observed: 586.34 ft at 9:50PM Jul 24, 2017Observed: 586.35 ft at 10:05PM Jul 24, 2017Observed: 586.35 ft at 10:20PM Jul 24, 2017Observed: 586.34 ft at 10:40PM Jul 24, 2017Observed: 586.35 ft at 10:55PM Jul 24, 2017Observed: 586.36 ft at 11:10PM Jul 24, 2017Observed: 586.36 ft at 11:25PM Jul 24, 2017Highest Observation: 586.38 ft at 11:35PM Jul 24, 2017Observed: 586.35 ft at 11:45PM Jul 24, 2017Observed: 586.35 ft at 1:50AM Jul 25, 2017Observed: 586.37 ft at 2:05AM Jul 25, 2017Observed: 586.36 ft at 2:20AM Jul 25, 2017Observed: 586.36 ft at 2:40AM Jul 25, 2017Observed: 586.37 ft at 2:55AM Jul 25, 2017Observed: 586.35 ft at 3:10AM Jul 25, 2017Observed: 586.37 ft at 3:25AM Jul 25, 2017Observed: 586.36 ft at 3:35AM Jul 25, 2017Observed: 586.37 ft at 3:50AM Jul 25, 2017Observed: 586.36 ft at 4:05AM Jul 25, 2017Observed: 586.36 ft at 4:20AM Jul 25, 2017Observed: 586.36 ft at 4:40AM Jul 25, 2017Highest Observation: 586.38 ft at 4:55AM Jul 25, 2017Observed: 586.37 ft at 5:10AM Jul 25, 2017Observed: 586.37 ft at 5:25AM Jul 25, 2017Observed: 586.36 ft at 5:35AM Jul 25, 2017Observed: 586.37 ft at 5:50AM Jul 25, 2017Observed: 586.36 ft at 6:05AM Jul 25, 2017Observed: 586.37 ft at 6:20AM Jul 25, 2017Observed: 586.36 ft at 6:40AM Jul 25, 2017Observed: 586.36 ft at 6:55AM Jul 25, 2017Observed: 586.36 ft at 7:10AM Jul 25, 2017Observed: 586.36 ft at 7:25AM Jul 25, 2017Observed: 586.36 ft at 7:35AM Jul 25, 2017Observed: 586.36 ft at 7:50AM Jul 25, 2017Observed: 586.36 ft at 8:05AM Jul 25, 2017Observed: 586.36 ft at 8:20AM Jul 25, 2017Observed: 586.36 ft at 8:40AM Jul 25, 2017Observed: 586.36 ft at 8:55AM Jul 25, 2017Observed: 586.36 ft at 9:10AM Jul 25, 2017Observed: 586.36 ft at 9:25AM Jul 25, 2017Observed: 586.37 ft at 9:35AM Jul 25, 2017Observed: 586.36 ft at 9:50AM Jul 25, 2017Observed: 586.36 ft at 10:05AM Jul 25, 2017Observed: 586.36 ft at 10:20AM Jul 25, 2017Observed: 586.36 ft at 10:40AM Jul 25, 2017Observed: 586.36 ft at 10:55AM Jul 25, 2017Observed: 586.36 ft at 11:10AM Jul 25, 2017Observed: 586.36 ft at 11:25AM Jul 25, 2017Observed: 586.36 ft at 11:35AM Jul 25, 2017Observed: 586.36 ft at 11:50AM Jul 25, 2017Observed: 586.36 ft at 12:05PM Jul 25, 2017Observed: 586.36 ft at 12:20PM Jul 25, 2017Observed: 586.35 ft at 12:40PM Jul 25, 2017Observed: 586.36 ft at 12:55PM Jul 25, 2017Observed: 586.36 ft at 1:10PM Jul 25, 2017Observed: 586.36 ft at 1:25PM Jul 25, 2017Observed: 586.35 ft at 1:35PM Jul 25, 2017Observed: 586.36 ft at 1:50PM Jul 25, 2017Observed: 586.35 ft at 2:05PM Jul 25, 2017Observed: 586.36 ft at 2:20PM Jul 25, 2017Observed: 586.36 ft at 2:40PM Jul 25, 2017Observed: 586.36 ft at 2:55PM Jul 25, 2017Observed: 586.36 ft at 3:10PM Jul 25, 2017Observed: 586.36 ft at 3:25PM Jul 25, 2017Observed: 586.36 ft at 3:35PM Jul 25, 2017Observed: 586.36 ft at 3:50PM Jul 25, 2017Observed: 586.36 ft at 4:05PM Jul 25, 2017Observed: 586.36 ft at 4:20PM Jul 25, 2017Observed: 586.36 ft at 4:40PM Jul 25, 2017Observed: 586.36 ft at 4:55PM Jul 25, 2017Observed: 586.36 ft at 5:10PM Jul 25, 2017Observed: 586.35 ft at 5:25PM Jul 25, 2017Observed: 586.36 ft at 5:35PM Jul 25, 2017Observed: 586.35 ft at 5:50PM Jul 25, 2017Observed: 586.36 ft at 6:05PM Jul 25, 2017Observed: 586.35 ft at 6:20PM Jul 25, 2017Observed: 586.36 ft at 6:40PM Jul 25, 2017Observed: 586.35 ft at 6:55PM Jul 25, 2017Observed: 586.35 ft at 7:10PM Jul 25, 2017Observed: 586.35 ft at 7:25PM Jul 25, 2017Observed: 586.35 ft at 7:35PM Jul 25, 2017Observed: 586.35 ft at 7:50PM Jul 25, 2017Observed: 586.35 ft at 8:05PM Jul 25, 2017Observed: 586.35 ft at 8:20PM Jul 25, 2017Observed: 586.35 ft at 8:40PM Jul 25, 2017Observed: 586.35 ft at 8:55PM Jul 25, 2017Observed: 586.35 ft at 9:10PM Jul 25, 2017Observed: 586.35 ft at 9:25PM Jul 25, 2017Observed: 586.35 ft at 9:35PM Jul 25, 2017Observed: 586.36 ft at 9:50PM Jul 25, 2017Observed: 586.35 ft at 10:05PM Jul 25, 2017Observed: 586.36 ft at 10:20PM Jul 25, 2017Observed: 586.35 ft at 10:40PM Jul 25, 2017Observed: 586.35 ft at 10:55PM Jul 25, 2017Observed: 586.35 ft at 11:10PM Jul 25, 2017Observed: 586.35 ft at 11:25PM Jul 25, 2017Observed: 586.35 ft at 11:35PM Jul 25, 2017Observed: 586.35 ft at 11:45PM Jul 25, 2017Observed: 586.35 ft at 1:50AM Jul 26, 2017Observed: 586.35 ft at 2:05AM Jul 26, 2017Observed: 586.35 ft at 2:20AM Jul 26, 2017Observed: 586.35 ft at 2:40AM Jul 26, 2017Observed: 586.35 ft at 2:55AM Jul 26, 2017Observed: 586.35 ft at 3:10AM Jul 26, 2017Observed: 586.35 ft at 3:25AM Jul 26, 2017Observed: 586.35 ft at 3:35AM Jul 26, 2017Observed: 586.35 ft at 3:50AM Jul 26, 2017Observed: 586.35 ft at 4:05AM Jul 26, 2017Observed: 586.35 ft at 4:20AM Jul 26, 2017Observed: 586.35 ft at 4:40AM Jul 26, 2017Observed: 586.35 ft at 4:55AM Jul 26, 2017Observed: 586.35 ft at 5:10AM Jul 26, 2017Observed: 586.36 ft at 5:25AM Jul 26, 2017Observed: 586.35 ft at 5:35AM Jul 26, 2017Observed: 586.35 ft at 5:50AM Jul 26, 2017Observed: 586.35 ft at 6:05AM Jul 26, 2017Observed: 586.35 ft at 6:20AM Jul 26, 2017Observed: 586.35 ft at 6:40AM Jul 26, 2017Observed: 586.35 ft at 6:55AM Jul 26, 2017Observed: 586.35 ft at 7:10AM Jul 26, 2017Observed: 586.36 ft at 7:25AM Jul 26, 2017Observed: 586.35 ft at 7:35AM Jul 26, 2017Observed: 586.35 ft at 7:50AM Jul 26, 2017Observed: 586.36 ft at 8:05AM Jul 26, 2017Observed: 586.35 ft at 8:20AM Jul 26, 2017Observed: 586.35 ft at 8:40AM Jul 26, 2017Observed: 586.35 ft at 8:55AM Jul 26, 2017Observed: 586.36 ft at 9:10AM Jul 26, 2017Observed: 586.35 ft at 9:25AM Jul 26, 2017Observed: 586.36 ft at 9:35AM Jul 26, 2017Observed: 586.35 ft at 9:50AM Jul 26, 2017Observed: 586.35 ft at 10:05AM Jul 26, 2017Observed: 586.35 ft at 10:20AM Jul 26, 2017Observed: 586.35 ft at 10:40AM Jul 26, 2017Observed: 586.35 ft at 10:55AM Jul 26, 2017Observed: 586.35 ft at 11:10AM Jul 26, 2017Observed: 586.35 ft at 11:25AM Jul 26, 2017Observed: 586.35 ft at 11:35AM Jul 26, 2017Observed: 586.35 ft at 11:50AM Jul 26, 2017Observed: 586.35 ft at 12:05PM Jul 26, 2017Observed: 586.35 ft at 12:20PM Jul 26, 2017Observed: 586.35 ft at 12:40PM Jul 26, 2017Observed: 586.35 ft at 12:55PM Jul 26, 2017Observed: 586.35 ft at 1:10PM Jul 26, 2017Observed: 586.35 ft at 1:25PM Jul 26, 2017Observed: 586.35 ft at 1:35PM Jul 26, 2017Observed: 586.35 ft at 1:50PM Jul 26, 2017Observed: 586.35 ft at 2:05PM Jul 26, 2017Observed: 586.35 ft at 2:20PM Jul 26, 2017Observed: 586.35 ft at 2:40PM Jul 26, 2017Observed: 586.35 ft at 2:55PM Jul 26, 2017Observed: 586.35 ft at 3:10PM Jul 26, 2017Observed: 586.35 ft at 3:25PM Jul 26, 2017Observed: 586.35 ft at 3:35PM Jul 26, 2017Observed: 586.35 ft at 3:50PM Jul 26, 2017Observed: 586.35 ft at 4:05PM Jul 26, 2017Observed: 586.35 ft at 4:20PM Jul 26, 2017Observed: 586.35 ft at 4:40PM Jul 26, 2017Observed: 586.35 ft at 4:55PM Jul 26, 2017Observed: 586.35 ft at 5:10PM Jul 26, 2017Observed: 586.35 ft at 5:25PM Jul 26, 2017Observed: 586.35 ft at 5:35PM Jul 26, 2017Observed: 586.35 ft at 5:50PM Jul 26, 2017Observed: 586.35 ft at 6:05PM Jul 26, 2017Observed: 586.35 ft at 6:20PM Jul 26, 2017Observed: 586.35 ft at 6:55PM Jul 26, 2017Observed: 586.34 ft at 8:20PM Jul 26, 2017Observed: 586.35 ft at 8:40PM Jul 26, 2017Observed: 586.34 ft at 8:55PM Jul 26, 2017Observed: 586.35 ft at 9:10PM Jul 26, 2017Observed: 586.34 ft at 9:25PM Jul 26, 2017Observed: 586.35 ft at 9:35PM Jul 26, 2017Observed: 586.34 ft at 9:50PM Jul 26, 2017Observed: 586.35 ft at 10:05PM Jul 26, 2017Observed: 586.35 ft at 10:20PM Jul 26, 2017Observed: 586.35 ft at 10:40PM Jul 26, 2017Observed: 586.35 ft at 10:55PM Jul 26, 2017Observed: 586.35 ft at 11:10PM Jul 26, 2017Observed: 586.35 ft at 11:25PM Jul 26, 2017Observed: 586.34 ft at 11:35PM Jul 26, 2017Observed: 586.35 ft at 11:45PM Jul 26, 2017Observed: 586.34 ft at 1:50AM Jul 27, 2017Observed: 586.34 ft at 2:05AM Jul 27, 2017Observed: 586.34 ft at 2:20AM Jul 27, 2017Observed: 586.34 ft at 2:40AM Jul 27, 2017Observed: 586.34 ft at 2:55AM Jul 27, 2017Observed: 586.34 ft at 3:10AM Jul 27, 2017Observed: 586.34 ft at 3:25AM Jul 27, 2017Observed: 586.34 ft at 3:35AM Jul 27, 2017Observed: 586.33 ft at 3:50AM Jul 27, 2017Observed: 586.34 ft at 4:05AM Jul 27, 2017Observed: 586.34 ft at 4:20AM Jul 27, 2017Observed: 586.35 ft at 4:40AM Jul 27, 2017Observed: 586.34 ft at 4:55AM Jul 27, 2017Observed: 586.35 ft at 5:10AM Jul 27, 2017Observed: 586.34 ft at 5:25AM Jul 27, 2017Observed: 586.34 ft at 5:35AM Jul 27, 2017Observed: 586.34 ft at 5:50AM Jul 27, 2017Observed: 586.34 ft at 6:05AM Jul 27, 2017Observed: 586.34 ft at 6:20AM Jul 27, 2017Observed: 586.35 ft at 6:40AM Jul 27, 2017Observed: 586.34 ft at 6:55AM Jul 27, 2017Observed: 586.35 ft at 7:10AM Jul 27, 2017Observed: 586.34 ft at 7:25AM Jul 27, 2017Observed: 586.34 ft at 7:35AM Jul 27, 2017Observed: 586.35 ft at 7:50AM Jul 27, 2017Observed: 586.34 ft at 8:05AM Jul 27, 2017Observed: 586.34 ft at 8:20AM Jul 27, 2017Observed: 586.34 ft at 8:40AM Jul 27, 2017Observed: 586.34 ft at 8:55AM Jul 27, 2017Observed: 586.34 ft at 9:10AM Jul 27, 2017Observed: 586.34 ft at 9:25AM Jul 27, 2017Observed: 586.34 ft at 9:35AM Jul 27, 2017Observed: 586.35 ft at 9:50AM Jul 27, 2017Observed: 586.33 ft at 10:05AM Jul 27, 2017Observed: 586.35 ft at 10:20AM Jul 27, 2017Observed: 586.34 ft at 10:40AM Jul 27, 2017Observed: 586.35 ft at 10:55AM Jul 27, 2017Observed: 586.34 ft at 11:10AM Jul 27, 2017Observed: 586.35 ft at 11:25AM Jul 27, 2017Observed: 586.35 ft at 11:35AM Jul 27, 2017Observed: 586.34 ft at 11:50AM Jul 27, 2017Observed: 586.35 ft at 12:05PM Jul 27, 2017Observed: 586.34 ft at 12:20PM Jul 27, 2017Observed: 586.34 ft at 12:40PM Jul 27, 2017Observed: 586.35 ft at 12:55PM Jul 27, 2017Observed: 586.34 ft at 1:10PM Jul 27, 2017Observed: 586.34 ft at 1:25PM Jul 27, 2017Observed: 586.35 ft at 1:35PM Jul 27, 2017Observed: 586.33 ft at 1:50PM Jul 27, 2017Observed: 586.35 ft at 2:05PM Jul 27, 2017Observed: 586.34 ft at 2:20PM Jul 27, 2017Observed: 586.35 ft at 2:40PM Jul 27, 2017Observed: 586.33 ft at 2:55PM Jul 27, 2017Observed: 586.35 ft at 3:10PM Jul 27, 2017Observed: 586.33 ft at 3:25PM Jul 27, 2017Highest Forecast: 586.4 ft 8:00PM Jul 27, 2017Highest Forecast: 586.4 ft 2:00AM Jul 28, 2017Highest Forecast: 586.4 ft 8:00AM Jul 28, 2017Highest Forecast: 586.4 ft 2:00PM Jul 28, 2017Highest Forecast: 586.4 ft 8:00PM Jul 28, 2017Highest Forecast: 586.4 ft 2:00AM Jul 29, 2017Highest Forecast: 586.4 ft 8:00AM Jul 29, 2017Highest Forecast: 586.4 ft 2:00PM Jul 29, 2017Highest Forecast: 586.4 ft 8:00PM Jul 29, 2017Highest Forecast: 586.4 ft 2:00AM Jul 30, 2017Highest Forecast: 586.4 ft 8:00AM Jul 30, 2017ASEN6(plotting HPIRZ) Graph Created (4:30PM Jul 27, 2017)ObservedForecast (issued 10:57AM Jul 27)Latest observed value: 586.33 ft at 3:25 PM EDT 27-Jul-2017. 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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