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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Highest Observation: 587.16 ft at 2:55PM May 23, 2017Highest Observation: 587.16 ft at 3:10PM May 23, 2017Observed: 587.15 ft at 3:30PM May 23, 2017Observed: 587.15 ft at 3:35PM May 23, 2017Observed: 587.15 ft at 3:50PM May 23, 2017Observed: 587.15 ft at 4:10PM May 23, 2017Observed: 587.14 ft at 4:25PM May 23, 2017Observed: 587.14 ft at 4:40PM May 23, 2017Observed: 587.14 ft at 4:55PM May 23, 2017Observed: 587.14 ft at 5:10PM May 23, 2017Observed: 587.12 ft at 5:30PM May 23, 2017Observed: 587.13 ft at 5:35PM May 23, 2017Observed: 587.13 ft at 5:50PM May 23, 2017Observed: 587.12 ft at 6:10PM May 23, 2017Observed: 587.12 ft at 6:25PM May 23, 2017Observed: 587.12 ft at 6:40PM May 23, 2017Observed: 587.12 ft at 6:55PM May 23, 2017Observed: 587.11 ft at 7:10PM May 23, 2017Observed: 587.11 ft at 7:30PM May 23, 2017Observed: 587.11 ft at 7:35PM May 23, 2017Observed: 587.11 ft at 7:50PM May 23, 2017Observed: 587.1 ft at 8:10PM May 23, 2017Observed: 587.1 ft at 8:25PM May 23, 2017Observed: 587.1 ft at 8:40PM May 23, 2017Observed: 587.1 ft at 8:55PM May 23, 2017Observed: 587.09 ft at 9:10PM May 23, 2017Observed: 587.09 ft at 9:30PM May 23, 2017Observed: 587.09 ft at 9:35PM May 23, 2017Observed: 587.1 ft at 9:50PM May 23, 2017Observed: 587.09 ft at 10:10PM May 23, 2017Observed: 587.09 ft at 10:25PM May 23, 2017Observed: 587.08 ft at 10:40PM May 23, 2017Observed: 587.09 ft at 10:55PM May 23, 2017Observed: 587.08 ft at 11:10PM May 23, 2017Observed: 587.08 ft at 11:30PM May 23, 2017Observed: 587.08 ft at 11:45PM May 23, 2017Observed: 587.05 ft at 1:50AM May 24, 2017Observed: 587.05 ft at 2:10AM May 24, 2017Observed: 587.05 ft at 2:25AM May 24, 2017Observed: 587.05 ft at 2:40AM May 24, 2017Observed: 587.05 ft at 2:55AM May 24, 2017Observed: 587.05 ft at 3:10AM May 24, 2017Observed: 587.05 ft at 3:30AM May 24, 2017Observed: 587.05 ft at 3:35AM May 24, 2017Observed: 587.04 ft at 3:50AM May 24, 2017Observed: 587.04 ft at 4:10AM May 24, 2017Observed: 587.03 ft at 4:25AM May 24, 2017Observed: 587.04 ft at 4:40AM May 24, 2017Observed: 587.03 ft at 4:55AM May 24, 2017Observed: 587.04 ft at 5:10AM May 24, 2017Observed: 587.02 ft at 5:30AM May 24, 2017Observed: 587.03 ft at 5:35AM May 24, 2017Observed: 587.03 ft at 5:50AM May 24, 2017Observed: 587.03 ft at 6:10AM May 24, 2017Observed: 587.02 ft at 6:25AM May 24, 2017Observed: 587.03 ft at 6:40AM May 24, 2017Observed: 587.01 ft at 6:55AM May 24, 2017Observed: 587.02 ft at 7:10AM May 24, 2017Observed: 587 ft at 7:30AM May 24, 2017Observed: 587.01 ft at 7:35AM May 24, 2017Observed: 587.02 ft at 7:50AM May 24, 2017Observed: 587 ft at 8:10AM May 24, 2017Observed: 587.01 ft at 8:25AM May 24, 2017Observed: 587 ft at 8:40AM May 24, 2017Observed: 587.02 ft at 8:55AM May 24, 2017Observed: 587.01 ft at 9:10AM May 24, 2017Observed: 587.01 ft at 9:30AM May 24, 2017Observed: 587 ft at 9:35AM May 24, 2017Observed: 587.01 ft at 9:50AM May 24, 2017Observed: 587 ft at 10:10AM May 24, 2017Observed: 587.01 ft at 10:25AM May 24, 2017Observed: 587 ft at 10:40AM May 24, 2017Observed: 587.01 ft at 10:55AM May 24, 2017Observed: 587.01 ft at 11:10AM May 24, 2017Observed: 587.02 ft at 11:30AM May 24, 2017Observed: 587.01 ft at 11:50AM May 24, 2017Observed: 587.01 ft at 12:10PM May 24, 2017Observed: 587.01 ft at 12:25PM May 24, 2017Observed: 587.02 ft at 12:40PM May 24, 2017Observed: 587 ft at 12:55PM May 24, 2017Observed: 587.02 ft at 1:10PM May 24, 2017Observed: 587.01 ft at 1:30PM May 24, 2017Observed: 587.02 ft at 1:35PM May 24, 2017Observed: 587.01 ft at 1:50PM May 24, 2017Observed: 587.02 ft at 2:10PM May 24, 2017Observed: 587.01 ft at 2:25PM May 24, 2017Observed: 587.02 ft at 2:40PM May 24, 2017Observed: 587 ft at 2:55PM May 24, 2017Observed: 587.02 ft at 3:10PM May 24, 2017Observed: 587 ft at 3:30PM May 24, 2017Observed: 587.01 ft at 3:35PM May 24, 2017Observed: 587.01 ft at 3:50PM May 24, 2017Observed: 587.01 ft at 4:10PM May 24, 2017Observed: 587 ft at 4:25PM May 24, 2017Observed: 587.01 ft at 4:40PM May 24, 2017Observed: 587.01 ft at 4:55PM May 24, 2017Observed: 587.01 ft at 5:10PM May 24, 2017Observed: 587.01 ft at 5:30PM May 24, 2017Observed: 586.99 ft at 5:35PM May 24, 2017Observed: 587.02 ft at 5:50PM May 24, 2017Observed: 587.01 ft at 6:10PM May 24, 2017Observed: 587.01 ft at 6:25PM May 24, 2017Observed: 587.01 ft at 6:40PM May 24, 2017Observed: 587.01 ft at 6:55PM May 24, 2017Observed: 587 ft at 7:10PM May 24, 2017Observed: 587.01 ft at 7:30PM May 24, 2017Observed: 587 ft at 7:35PM May 24, 2017Observed: 587.01 ft at 7:50PM May 24, 2017Observed: 587.01 ft at 8:10PM May 24, 2017Observed: 587.01 ft at 8:25PM May 24, 2017Observed: 587.01 ft at 8:40PM May 24, 2017Observed: 587.01 ft at 8:55PM May 24, 2017Observed: 587.01 ft at 9:10PM May 24, 2017Observed: 587.01 ft at 9:30PM May 24, 2017Observed: 587 ft at 9:35PM May 24, 2017Observed: 587.01 ft at 9:50PM May 24, 2017Observed: 587.01 ft at 10:10PM May 24, 2017Observed: 587.01 ft at 10:25PM May 24, 2017Observed: 587.01 ft at 10:40PM May 24, 2017Observed: 587.01 ft at 10:55PM May 24, 2017Observed: 587.01 ft at 11:10PM May 24, 2017Observed: 587.01 ft at 11:30PM May 24, 2017Observed: 587.01 ft at 11:35PM May 24, 2017Observed: 587 ft at 11:45PM May 24, 2017Observed: 587 ft at 1:50AM May 25, 2017Observed: 587.01 ft at 2:10AM May 25, 2017Observed: 587.01 ft at 2:25AM May 25, 2017Observed: 587.01 ft at 2:40AM May 25, 2017Observed: 587 ft at 2:55AM May 25, 2017Observed: 587.01 ft at 3:10AM May 25, 2017Observed: 587.01 ft at 3:30AM May 25, 2017Observed: 587.02 ft at 3:35AM May 25, 2017Observed: 587 ft at 3:50AM May 25, 2017Observed: 587.02 ft at 4:10AM May 25, 2017Observed: 587 ft at 4:25AM May 25, 2017Observed: 587.01 ft at 4:40AM May 25, 2017Observed: 587 ft at 4:55AM May 25, 2017Observed: 587.01 ft at 5:10AM May 25, 2017Observed: 587 ft at 5:30AM May 25, 2017Observed: 587.01 ft at 5:35AM May 25, 2017Observed: 587.01 ft at 5:50AM May 25, 2017Observed: 587.01 ft at 6:10AM May 25, 2017Observed: 587.01 ft at 6:25AM May 25, 2017Observed: 587.02 ft at 6:40AM May 25, 2017Observed: 587.02 ft at 6:55AM May 25, 2017Observed: 587.01 ft at 7:10AM May 25, 2017Observed: 587 ft at 7:30AM May 25, 2017Observed: 586.99 ft at 7:35AM May 25, 2017Observed: 587.02 ft at 7:50AM May 25, 2017Observed: 586.99 ft at 8:10AM May 25, 2017Observed: 587.02 ft at 8:25AM May 25, 2017Observed: 586.99 ft at 8:40AM May 25, 2017Observed: 587.02 ft at 8:55AM May 25, 2017Observed: 586.99 ft at 9:10AM May 25, 2017Observed: 587.02 ft at 9:30AM May 25, 2017Observed: 587.01 ft at 9:35AM May 25, 2017Observed: 587.02 ft at 9:50AM May 25, 2017Observed: 587.01 ft at 10:10AM May 25, 2017Observed: 587.02 ft at 10:25AM May 25, 2017Observed: 587.01 ft at 10:40AM May 25, 2017Observed: 587 ft at 10:55AM May 25, 2017Observed: 587.03 ft at 11:10AM May 25, 2017Observed: 587.02 ft at 11:30AM May 25, 2017Observed: 587.03 ft at 11:50AM May 25, 2017Observed: 587.07 ft at 12:10PM May 25, 2017Observed: 587.05 ft at 12:25PM May 25, 2017Observed: 587.03 ft at 12:40PM May 25, 2017Observed: 587.05 ft at 12:55PM May 25, 2017Observed: 587.05 ft at 1:10PM May 25, 2017Observed: 587.05 ft at 1:30PM May 25, 2017Observed: 587.04 ft at 1:35PM May 25, 2017Observed: 587.07 ft at 1:50PM May 25, 2017Observed: 587.07 ft at 2:10PM May 25, 2017Observed: 587.08 ft at 2:25PM May 25, 2017Observed: 587.07 ft at 2:40PM May 25, 2017Observed: 587.07 ft at 2:55PM May 25, 2017Observed: 587.06 ft at 3:10PM May 25, 2017Observed: 587.05 ft at 3:35PM May 25, 2017Observed: 587.07 ft at 3:50PM May 25, 2017Observed: 587.04 ft at 4:10PM May 25, 2017Observed: 587.07 ft at 4:25PM May 25, 2017Observed: 587.04 ft at 4:40PM May 25, 2017Observed: 587.06 ft at 4:55PM May 25, 2017Observed: 587.03 ft at 5:10PM May 25, 2017Observed: 587.05 ft at 5:30PM May 25, 2017Observed: 587.03 ft at 5:35PM May 25, 2017Observed: 587.03 ft at 5:50PM May 25, 2017Observed: 587.03 ft at 6:10PM May 25, 2017Observed: 587.03 ft at 6:25PM May 25, 2017Observed: 587.03 ft at 6:40PM May 25, 2017Observed: 587.02 ft at 6:55PM May 25, 2017Observed: 587.03 ft at 7:10PM May 25, 2017Observed: 587.02 ft at 7:30PM May 25, 2017Observed: 587.03 ft at 7:35PM May 25, 2017Observed: 587.02 ft at 7:50PM May 25, 2017Observed: 587.02 ft at 8:10PM May 25, 2017Observed: 587 ft at 8:25PM May 25, 2017Observed: 587.02 ft at 8:40PM May 25, 2017Observed: 586.99 ft at 8:55PM May 25, 2017Observed: 586.99 ft at 9:30PM May 25, 2017Observed: 586.99 ft at 9:35PM May 25, 2017Observed: 587.01 ft at 9:50PM May 25, 2017Observed: 587 ft at 10:10PM May 25, 2017Observed: 586.98 ft at 10:25PM May 25, 2017Observed: 586.98 ft at 10:40PM May 25, 2017Observed: 586.98 ft at 10:55PM May 25, 2017Observed: 586.98 ft at 11:10PM May 25, 2017Observed: 586.97 ft at 11:30PM May 25, 2017Observed: 586.96 ft at 11:35PM May 25, 2017Observed: 586.97 ft at 11:45PM May 25, 2017Observed: 586.93 ft at 1:50AM May 26, 2017Observed: 586.95 ft at 2:10AM May 26, 2017Observed: 586.95 ft at 2:25AM May 26, 2017Observed: 586.95 ft at 2:40AM May 26, 2017Observed: 586.95 ft at 2:55AM May 26, 2017Observed: 586.95 ft at 3:10AM May 26, 2017Observed: 586.95 ft at 3:30AM May 26, 2017Observed: 586.97 ft at 3:35AM May 26, 2017Observed: 586.92 ft at 3:50AM May 26, 2017Observed: 586.95 ft at 4:10AM May 26, 2017Observed: 586.92 ft at 4:25AM May 26, 2017Observed: 586.96 ft at 4:40AM May 26, 2017Observed: 586.92 ft at 4:55AM May 26, 2017Observed: 586.95 ft at 5:10AM May 26, 2017Observed: 586.91 ft at 5:30AM May 26, 2017Observed: 586.93 ft at 5:35AM May 26, 2017Observed: 586.93 ft at 5:50AM May 26, 2017Observed: 586.93 ft at 6:10AM May 26, 2017Observed: 586.92 ft at 6:25AM May 26, 2017Observed: 586.93 ft at 6:40AM May 26, 2017Observed: 586.93 ft at 6:55AM May 26, 2017Observed: 586.92 ft at 7:10AM May 26, 2017Observed: 586.92 ft at 7:30AM May 26, 2017Observed: 586.91 ft at 7:35AM May 26, 2017Observed: 586.94 ft at 7:50AM May 26, 2017Observed: 586.91 ft at 8:10AM May 26, 2017Observed: 586.94 ft at 8:25AM May 26, 2017Observed: 586.91 ft at 8:40AM May 26, 2017Observed: 586.94 ft at 8:55AM May 26, 2017Observed: 586.91 ft at 9:10AM May 26, 2017Observed: 586.93 ft at 9:30AM May 26, 2017Observed: 586.92 ft at 9:35AM May 26, 2017Observed: 586.92 ft at 9:50AM May 26, 2017Observed: 586.91 ft at 10:10AM May 26, 2017Observed: 586.93 ft at 10:25AM May 26, 2017Observed: 586.91 ft at 10:40AM May 26, 2017Observed: 586.93 ft at 10:55AM May 26, 2017Observed: 586.92 ft at 11:10AM May 26, 2017Observed: 586.93 ft at 11:30AM May 26, 2017Observed: 586.93 ft at 11:35AM May 26, 2017Observed: 586.92 ft at 12:10PM May 26, 2017Observed: 586.92 ft at 12:25PM May 26, 2017Observed: 586.93 ft at 12:40PM May 26, 2017Observed: 586.92 ft at 12:55PM May 26, 2017Observed: 586.93 ft at 1:10PM May 26, 2017Observed: 586.92 ft at 1:30PM May 26, 2017Observed: 586.92 ft at 1:35PM May 26, 2017Observed: 586.91 ft at 1:50PM May 26, 2017Forecast: 587 ft 8:00PM May 26, 2017Highest Forecast: 587.1 ft 2:00AM May 27, 2017Highest Forecast: 587.1 ft 8:00AM May 27, 2017Highest Forecast: 587.1 ft 2:00PM May 27, 2017Forecast: 587 ft 8:00PM May 27, 2017Forecast: 587 ft 2:00AM May 28, 2017Forecast: 587 ft 8:00AM May 28, 2017Forecast: 586.9 ft 2:00PM May 28, 2017Forecast: 586.9 ft 8:00PM May 28, 2017Forecast: 586.9 ft 2:00AM May 29, 2017Forecast: 586.8 ft 8:00AM May 29, 2017ASEN6(plotting HPIRZ) Graph Created (2:45PM May 26, 2017)ObservedForecast (issued 11:17AM May 26)Latest observed value: 586.91 ft at 1:50 PM EDT 26-May-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 10:38 PM
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