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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Observed: 586.33 ft at 11:40PM Aug 18, 2017Observed: 586.34 ft at 11:50PM Aug 18, 2017Observed: 586.34 ft at 1:55AM Aug 19, 2017Observed: 586.33 ft at 2:15AM Aug 19, 2017Observed: 586.34 ft at 2:30AM Aug 19, 2017Observed: 586.34 ft at 2:45AM Aug 19, 2017Observed: 586.34 ft at 3:00AM Aug 19, 2017Observed: 586.34 ft at 3:15AM Aug 19, 2017Observed: 586.34 ft at 3:25AM Aug 19, 2017Observed: 586.34 ft at 3:40AM Aug 19, 2017Observed: 586.33 ft at 3:55AM Aug 19, 2017Observed: 586.34 ft at 4:15AM Aug 19, 2017Observed: 586.33 ft at 4:30AM Aug 19, 2017Observed: 586.34 ft at 4:45AM Aug 19, 2017Observed: 586.33 ft at 5:00AM Aug 19, 2017Observed: 586.33 ft at 5:15AM Aug 19, 2017Observed: 586.33 ft at 5:25AM Aug 19, 2017Observed: 586.34 ft at 5:40AM Aug 19, 2017Observed: 586.33 ft at 5:55AM Aug 19, 2017Observed: 586.34 ft at 6:15AM Aug 19, 2017Observed: 586.34 ft at 6:30AM Aug 19, 2017Observed: 586.33 ft at 6:45AM Aug 19, 2017Observed: 586.33 ft at 7:00AM Aug 19, 2017Observed: 586.33 ft at 7:15AM Aug 19, 2017Observed: 586.33 ft at 7:25AM Aug 19, 2017Observed: 586.33 ft at 7:40AM Aug 19, 2017Observed: 586.34 ft at 7:55AM Aug 19, 2017Observed: 586.33 ft at 8:15AM Aug 19, 2017Observed: 586.33 ft at 8:30AM Aug 19, 2017Observed: 586.33 ft at 8:45AM Aug 19, 2017Observed: 586.34 ft at 9:00AM Aug 19, 2017Observed: 586.33 ft at 9:15AM Aug 19, 2017Observed: 586.33 ft at 9:25AM Aug 19, 2017Observed: 586.33 ft at 9:40AM Aug 19, 2017Observed: 586.33 ft at 9:55AM Aug 19, 2017Observed: 586.33 ft at 10:15AM Aug 19, 2017Observed: 586.33 ft at 10:30AM Aug 19, 2017Observed: 586.33 ft at 10:45AM Aug 19, 2017Observed: 586.33 ft at 11:00AM Aug 19, 2017Observed: 586.34 ft at 11:15AM Aug 19, 2017Observed: 586.33 ft at 11:25AM Aug 19, 2017Observed: 586.34 ft at 11:40AM Aug 19, 2017Observed: 586.33 ft at 11:55AM Aug 19, 2017Observed: 586.34 ft at 12:15PM Aug 19, 2017Observed: 586.33 ft at 12:30PM Aug 19, 2017Observed: 586.34 ft at 12:45PM Aug 19, 2017Observed: 586.33 ft at 1:00PM Aug 19, 2017Observed: 586.34 ft at 1:15PM Aug 19, 2017Observed: 586.34 ft at 1:25PM Aug 19, 2017Observed: 586.34 ft at 1:40PM Aug 19, 2017Observed: 586.33 ft at 1:55PM Aug 19, 2017Observed: 586.34 ft at 2:15PM Aug 19, 2017Observed: 586.33 ft at 2:30PM Aug 19, 2017Observed: 586.34 ft at 2:45PM Aug 19, 2017Observed: 586.33 ft at 3:00PM Aug 19, 2017Observed: 586.34 ft at 3:15PM Aug 19, 2017Observed: 586.34 ft at 3:25PM Aug 19, 2017Observed: 586.33 ft at 3:40PM Aug 19, 2017Observed: 586.33 ft at 3:55PM Aug 19, 2017Observed: 586.33 ft at 4:15PM Aug 19, 2017Observed: 586.33 ft at 4:30PM Aug 19, 2017Observed: 586.33 ft at 4:45PM Aug 19, 2017Observed: 586.33 ft at 5:00PM Aug 19, 2017Observed: 586.33 ft at 5:15PM Aug 19, 2017Observed: 586.34 ft at 5:25PM Aug 19, 2017Observed: 586.33 ft at 5:40PM Aug 19, 2017Observed: 586.33 ft at 5:55PM Aug 19, 2017Observed: 586.33 ft at 6:15PM Aug 19, 2017Observed: 586.33 ft at 6:30PM Aug 19, 2017Observed: 586.33 ft at 6:45PM Aug 19, 2017Observed: 586.33 ft at 7:00PM Aug 19, 2017Observed: 586.33 ft at 7:15PM Aug 19, 2017Observed: 586.33 ft at 7:25PM Aug 19, 2017Observed: 586.33 ft at 7:40PM Aug 19, 2017Observed: 586.33 ft at 7:55PM Aug 19, 2017Observed: 586.33 ft at 8:15PM Aug 19, 2017Observed: 586.33 ft at 8:30PM Aug 19, 2017Observed: 586.33 ft at 8:45PM Aug 19, 2017Observed: 586.33 ft at 9:00PM Aug 19, 2017Observed: 586.33 ft at 9:15PM Aug 19, 2017Observed: 586.33 ft at 9:25PM Aug 19, 2017Observed: 586.33 ft at 9:40PM Aug 19, 2017Observed: 586.32 ft at 9:55PM Aug 19, 2017Observed: 586.33 ft at 10:15PM Aug 19, 2017Observed: 586.32 ft at 10:30PM Aug 19, 2017Observed: 586.33 ft at 10:45PM Aug 19, 2017Highest Observation: 586.35 ft at 11:00PM Aug 19, 2017Observed: 586.32 ft at 11:15PM Aug 19, 2017Observed: 586.34 ft at 11:25PM Aug 19, 2017Observed: 586.32 ft at 11:40PM Aug 19, 2017Observed: 586.32 ft at 11:50PM Aug 19, 2017Observed: 586.3 ft at 1:55AM Aug 20, 2017Observed: 586.34 ft at 2:15AM Aug 20, 2017Observed: 586.32 ft at 2:30AM Aug 20, 2017Highest Observation: 586.35 ft at 2:45AM Aug 20, 2017Observed: 586.31 ft at 3:00AM Aug 20, 2017Observed: 586.34 ft at 3:15AM Aug 20, 2017Observed: 586.32 ft at 3:25AM Aug 20, 2017Observed: 586.34 ft at 3:40AM Aug 20, 2017Observed: 586.33 ft at 3:55AM Aug 20, 2017Observed: 586.34 ft at 4:15AM Aug 20, 2017Observed: 586.32 ft at 4:30AM Aug 20, 2017Observed: 586.34 ft at 4:45AM Aug 20, 2017Observed: 586.32 ft at 5:00AM Aug 20, 2017Observed: 586.33 ft at 5:15AM Aug 20, 2017Observed: 586.33 ft at 5:25AM Aug 20, 2017Observed: 586.32 ft at 5:40AM Aug 20, 2017Observed: 586.33 ft at 5:55AM Aug 20, 2017Observed: 586.32 ft at 6:15AM Aug 20, 2017Observed: 586.33 ft at 6:30AM Aug 20, 2017Observed: 586.32 ft at 6:45AM Aug 20, 2017Observed: 586.33 ft at 7:00AM Aug 20, 2017Observed: 586.32 ft at 7:15AM Aug 20, 2017Observed: 586.33 ft at 7:25AM Aug 20, 2017Observed: 586.31 ft at 7:40AM Aug 20, 2017Observed: 586.33 ft at 7:55AM Aug 20, 2017Observed: 586.32 ft at 8:15AM Aug 20, 2017Observed: 586.32 ft at 8:30AM Aug 20, 2017Observed: 586.31 ft at 8:45AM Aug 20, 2017Observed: 586.32 ft at 9:00AM Aug 20, 2017Observed: 586.31 ft at 9:15AM Aug 20, 2017Observed: 586.32 ft at 9:25AM Aug 20, 2017Observed: 586.32 ft at 9:40AM Aug 20, 2017Observed: 586.32 ft at 9:55AM Aug 20, 2017Observed: 586.32 ft at 10:15AM Aug 20, 2017Observed: 586.32 ft at 10:30AM Aug 20, 2017Observed: 586.32 ft at 10:45AM Aug 20, 2017Observed: 586.32 ft at 11:00AM Aug 20, 2017Observed: 586.32 ft at 11:15AM Aug 20, 2017Observed: 586.32 ft at 11:25AM Aug 20, 2017Observed: 586.33 ft at 11:40AM Aug 20, 2017Observed: 586.32 ft at 11:55AM Aug 20, 2017Observed: 586.32 ft at 12:15PM Aug 20, 2017Observed: 586.32 ft at 12:30PM Aug 20, 2017Observed: 586.32 ft at 12:45PM Aug 20, 2017Observed: 586.32 ft at 1:00PM Aug 20, 2017Observed: 586.32 ft at 1:15PM Aug 20, 2017Observed: 586.32 ft at 1:25PM Aug 20, 2017Observed: 586.32 ft at 1:40PM Aug 20, 2017Observed: 586.32 ft at 1:55PM Aug 20, 2017Observed: 586.32 ft at 2:15PM Aug 20, 2017Observed: 586.32 ft at 2:30PM Aug 20, 2017Observed: 586.32 ft at 2:45PM Aug 20, 2017Observed: 586.32 ft at 3:00PM Aug 20, 2017Observed: 586.32 ft at 3:15PM Aug 20, 2017Observed: 586.32 ft at 3:25PM Aug 20, 2017Observed: 586.32 ft at 3:40PM Aug 20, 2017Observed: 586.32 ft at 3:55PM Aug 20, 2017Observed: 586.32 ft at 4:15PM Aug 20, 2017Observed: 586.32 ft at 4:30PM Aug 20, 2017Observed: 586.32 ft at 4:45PM Aug 20, 2017Observed: 586.31 ft at 5:00PM Aug 20, 2017Observed: 586.32 ft at 5:15PM Aug 20, 2017Observed: 586.31 ft at 5:25PM Aug 20, 2017Observed: 586.32 ft at 5:40PM Aug 20, 2017Observed: 586.32 ft at 5:55PM Aug 20, 2017Observed: 586.32 ft at 6:15PM Aug 20, 2017Observed: 586.32 ft at 6:30PM Aug 20, 2017Observed: 586.32 ft at 6:45PM Aug 20, 2017Observed: 586.31 ft at 7:00PM Aug 20, 2017Observed: 586.31 ft at 7:15PM Aug 20, 2017Observed: 586.31 ft at 7:25PM Aug 20, 2017Observed: 586.31 ft at 7:40PM Aug 20, 2017Observed: 586.32 ft at 7:55PM Aug 20, 2017Observed: 586.32 ft at 8:15PM Aug 20, 2017Observed: 586.32 ft at 8:30PM Aug 20, 2017Observed: 586.32 ft at 8:45PM Aug 20, 2017Observed: 586.32 ft at 9:00PM Aug 20, 2017Observed: 586.32 ft at 9:15PM Aug 20, 2017Observed: 586.32 ft at 9:25PM Aug 20, 2017Observed: 586.32 ft at 9:40PM Aug 20, 2017Observed: 586.32 ft at 9:55PM Aug 20, 2017Observed: 586.31 ft at 10:15PM Aug 20, 2017Observed: 586.31 ft at 10:30PM Aug 20, 2017Observed: 586.31 ft at 10:45PM Aug 20, 2017Observed: 586.32 ft at 11:00PM Aug 20, 2017Observed: 586.31 ft at 11:15PM Aug 20, 2017Observed: 586.31 ft at 11:25PM Aug 20, 2017Observed: 586.32 ft at 11:40PM Aug 20, 2017Observed: 586.31 ft at 11:50PM Aug 20, 2017Observed: 586.32 ft at 1:55AM Aug 21, 2017Observed: 586.32 ft at 2:15AM Aug 21, 2017Observed: 586.32 ft at 2:30AM Aug 21, 2017Observed: 586.32 ft at 2:45AM Aug 21, 2017Observed: 586.32 ft at 3:00AM Aug 21, 2017Observed: 586.31 ft at 3:15AM Aug 21, 2017Observed: 586.33 ft at 3:25AM Aug 21, 2017Observed: 586.3 ft at 3:40AM Aug 21, 2017Observed: 586.33 ft at 3:55AM Aug 21, 2017Observed: 586.3 ft at 4:15AM Aug 21, 2017Observed: 586.32 ft at 4:30AM Aug 21, 2017Observed: 586.3 ft at 4:45AM Aug 21, 2017Observed: 586.33 ft at 5:00AM Aug 21, 2017Observed: 586.3 ft at 5:15AM Aug 21, 2017Observed: 586.32 ft at 5:25AM Aug 21, 2017Observed: 586.31 ft at 5:40AM Aug 21, 2017Observed: 586.32 ft at 5:55AM Aug 21, 2017Observed: 586.3 ft at 6:15AM Aug 21, 2017Observed: 586.32 ft at 6:30AM Aug 21, 2017Observed: 586.3 ft at 6:45AM Aug 21, 2017Observed: 586.32 ft at 7:00AM Aug 21, 2017Observed: 586.3 ft at 7:15AM Aug 21, 2017Observed: 586.3 ft at 7:25AM Aug 21, 2017Observed: 586.31 ft at 7:40AM Aug 21, 2017Observed: 586.3 ft at 7:55AM Aug 21, 2017Observed: 586.31 ft at 8:15AM Aug 21, 2017Observed: 586.31 ft at 8:30AM Aug 21, 2017Observed: 586.32 ft at 8:45AM Aug 21, 2017Observed: 586.3 ft at 9:00AM Aug 21, 2017Observed: 586.32 ft at 9:10AM Aug 21, 2017Observed: 586.3 ft at 9:25AM Aug 21, 2017Observed: 586.31 ft at 9:40AM Aug 21, 2017Observed: 586.3 ft at 10:00AM Aug 21, 2017Observed: 586.31 ft at 10:15AM Aug 21, 2017Observed: 586.31 ft at 10:30AM Aug 21, 2017Observed: 586.32 ft at 10:45AM Aug 21, 2017Observed: 586.32 ft at 11:00AM Aug 21, 2017Observed: 586.31 ft at 11:10AM Aug 21, 2017Observed: 586.32 ft at 11:25AM Aug 21, 2017Observed: 586.31 ft at 11:40AM Aug 21, 2017Observed: 586.32 ft at 12:00PM Aug 21, 2017Observed: 586.31 ft at 12:15PM Aug 21, 2017Observed: 586.32 ft at 12:30PM Aug 21, 2017Observed: 586.31 ft at 12:45PM Aug 21, 2017Observed: 586.32 ft at 1:00PM Aug 21, 2017Observed: 586.31 ft at 1:10PM Aug 21, 2017Observed: 586.31 ft at 1:25PM Aug 21, 2017Observed: 586.31 ft at 1:40PM Aug 21, 2017Observed: 586.3 ft at 2:00PM Aug 21, 2017Observed: 586.32 ft at 2:15PM Aug 21, 2017Observed: 586.32 ft at 2:30PM Aug 21, 2017Observed: 586.32 ft at 2:45PM Aug 21, 2017Observed: 586.32 ft at 3:00PM Aug 21, 2017Observed: 586.32 ft at 3:10PM Aug 21, 2017Observed: 586.32 ft at 3:25PM Aug 21, 2017Observed: 586.32 ft at 3:40PM Aug 21, 2017Observed: 586.32 ft at 4:00PM Aug 21, 2017Observed: 586.33 ft at 4:15PM Aug 21, 2017Observed: 586.32 ft at 4:30PM Aug 21, 2017Observed: 586.33 ft at 4:45PM Aug 21, 2017Observed: 586.32 ft at 5:00PM Aug 21, 2017Observed: 586.33 ft at 5:10PM Aug 21, 2017Observed: 586.32 ft at 5:25PM Aug 21, 2017Observed: 586.33 ft at 5:40PM Aug 21, 2017Observed: 586.32 ft at 6:00PM Aug 21, 2017Observed: 586.33 ft at 6:15PM Aug 21, 2017Observed: 586.32 ft at 6:30PM Aug 21, 2017Observed: 586.33 ft at 6:45PM Aug 21, 2017Observed: 586.32 ft at 7:00PM Aug 21, 2017Observed: 586.32 ft at 7:10PM Aug 21, 2017Observed: 586.33 ft at 7:25PM Aug 21, 2017Observed: 586.32 ft at 7:40PM Aug 21, 2017Observed: 586.33 ft at 8:00PM Aug 21, 2017Observed: 586.32 ft at 8:15PM Aug 21, 2017Observed: 586.33 ft at 8:30PM Aug 21, 2017Observed: 586.32 ft at 8:45PM Aug 21, 2017Observed: 586.33 ft at 9:00PM Aug 21, 2017Observed: 586.32 ft at 9:10PM Aug 21, 2017Observed: 586.32 ft at 9:25PM Aug 21, 2017Observed: 586.32 ft at 9:40PM Aug 21, 2017Observed: 586.33 ft at 10:00PM Aug 21, 2017Observed: 586.31 ft at 10:15PM Aug 21, 2017Observed: 586.33 ft at 10:30PM Aug 21, 2017Observed: 586.31 ft at 10:45PM Aug 21, 2017Forecast: 586.3 ft 2:00AM Aug 22, 2017Forecast: 586.3 ft 8:00AM Aug 22, 2017Forecast: 586.3 ft 2:00PM Aug 22, 2017Forecast: 586.3 ft 8:00PM Aug 22, 2017Forecast: 586.4 ft 2:00AM Aug 23, 2017Forecast: 586.4 ft 8:00AM Aug 23, 2017Highest Forecast: 586.5 ft 2:00PM Aug 23, 2017Highest Forecast: 586.5 ft 8:00PM Aug 23, 2017Highest Forecast: 586.5 ft 2:00AM Aug 24, 2017Highest Forecast: 586.5 ft 8:00AM Aug 24, 2017ASEN6(plotting HPIRZ) Graph Created (11:30PM Aug 21, 2017)ObservedForecast (issued 11:16AM Aug 21)Latest observed value: 586.31 ft at 10:45 PM EDT 21-Aug-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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