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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Highest Observation: 564.76 ft at 3:25AM Nov 26, 2020Observed: 564.75 ft at 3:40AM Nov 26, 2020Observed: 564.75 ft at 3:45AM Nov 26, 2020Observed: 564.74 ft at 4:05AM Nov 26, 2020Observed: 564.75 ft at 4:20AM Nov 26, 2020Observed: 564.74 ft at 4:35AM Nov 26, 2020Observed: 564.73 ft at 4:50AM Nov 26, 2020Observed: 564.73 ft at 5:05AM Nov 26, 2020Observed: 564.73 ft at 5:25AM Nov 26, 2020Observed: 564.72 ft at 5:40AM Nov 26, 2020Observed: 564.72 ft at 5:45AM Nov 26, 2020Observed: 564.71 ft at 6:20AM Nov 26, 2020Observed: 564.71 ft at 6:35AM Nov 26, 2020Observed: 564.71 ft at 6:50AM Nov 26, 2020Observed: 564.7 ft at 7:05AM Nov 26, 2020Observed: 564.7 ft at 7:25AM Nov 26, 2020Observed: 564.68 ft at 7:40AM Nov 26, 2020Observed: 564.68 ft at 7:45AM Nov 26, 2020Observed: 564.68 ft at 8:05AM Nov 26, 2020Observed: 564.66 ft at 8:20AM Nov 26, 2020Observed: 564.67 ft at 8:35AM Nov 26, 2020Observed: 564.66 ft at 8:50AM Nov 26, 2020Observed: 564.67 ft at 9:05AM Nov 26, 2020Observed: 564.66 ft at 9:25AM Nov 26, 2020Observed: 564.65 ft at 9:40AM Nov 26, 2020Observed: 564.65 ft at 9:45AM Nov 26, 2020Observed: 564.65 ft at 10:05AM Nov 26, 2020Observed: 564.64 ft at 10:20AM Nov 26, 2020Observed: 564.64 ft at 10:35AM Nov 26, 2020Observed: 564.63 ft at 10:50AM Nov 26, 2020Observed: 564.63 ft at 11:05AM Nov 26, 2020Observed: 564.61 ft at 11:25AM Nov 26, 2020Observed: 564.62 ft at 11:40AM Nov 26, 2020Observed: 564.61 ft at 11:55AM Nov 26, 2020Observed: 564.61 ft at 12:05PM Nov 26, 2020Observed: 564.61 ft at 12:20PM Nov 26, 2020Observed: 564.59 ft at 12:35PM Nov 26, 2020Observed: 564.6 ft at 12:50PM Nov 26, 2020Observed: 564.58 ft at 1:05PM Nov 26, 2020Observed: 564.59 ft at 1:25PM Nov 26, 2020Observed: 564.57 ft at 1:40PM Nov 26, 2020Observed: 564.56 ft at 1:45PM Nov 26, 2020Observed: 564.58 ft at 2:05PM Nov 26, 2020Observed: 564.56 ft at 2:20PM Nov 26, 2020Observed: 564.57 ft at 2:35PM Nov 26, 2020Observed: 564.55 ft at 2:50PM Nov 26, 2020Observed: 564.55 ft at 3:05PM Nov 26, 2020Observed: 564.54 ft at 3:25PM Nov 26, 2020Observed: 564.54 ft at 3:40PM Nov 26, 2020Observed: 564.53 ft at 3:45PM Nov 26, 2020Observed: 564.53 ft at 4:05PM Nov 26, 2020Observed: 564.53 ft at 4:20PM Nov 26, 2020Observed: 564.52 ft at 4:35PM Nov 26, 2020Observed: 564.53 ft at 4:50PM Nov 26, 2020Observed: 564.51 ft at 5:05PM Nov 26, 2020Observed: 564.51 ft at 5:25PM Nov 26, 2020Observed: 564.5 ft at 5:40PM Nov 26, 2020Observed: 564.5 ft at 5:45PM Nov 26, 2020Observed: 564.49 ft at 6:05PM Nov 26, 2020Observed: 564.49 ft at 6:20PM Nov 26, 2020Observed: 564.48 ft at 6:35PM Nov 26, 2020Observed: 564.48 ft at 6:50PM Nov 26, 2020Observed: 564.47 ft at 7:05PM Nov 26, 2020Observed: 564.47 ft at 7:25PM Nov 26, 2020Observed: 564.47 ft at 7:40PM Nov 26, 2020Observed: 564.47 ft at 7:45PM Nov 26, 2020Observed: 564.47 ft at 8:05PM Nov 26, 2020Observed: 564.45 ft at 8:20PM Nov 26, 2020Observed: 564.45 ft at 8:35PM Nov 26, 2020Observed: 564.45 ft at 8:50PM Nov 26, 2020Observed: 564.44 ft at 9:05PM Nov 26, 2020Observed: 564.44 ft at 9:25PM Nov 26, 2020Observed: 564.43 ft at 9:40PM Nov 26, 2020Observed: 564.43 ft at 9:45PM Nov 26, 2020Observed: 564.42 ft at 10:05PM Nov 26, 2020Observed: 564.42 ft at 10:20PM Nov 26, 2020Observed: 564.41 ft at 10:35PM Nov 26, 2020Observed: 564.41 ft at 10:50PM Nov 26, 2020Observed: 564.41 ft at 11:05PM Nov 26, 2020Observed: 564.4 ft at 11:25PM Nov 26, 2020Observed: 564.39 ft at 11:40PM Nov 26, 2020Observed: 564.35 ft at 1:45AM Nov 27, 2020Observed: 564.34 ft at 2:05AM Nov 27, 2020Observed: 564.34 ft at 2:20AM Nov 27, 2020Observed: 564.34 ft at 2:35AM Nov 27, 2020Observed: 564.34 ft at 2:50AM Nov 27, 2020Observed: 564.33 ft at 3:05AM Nov 27, 2020Observed: 564.32 ft at 3:25AM Nov 27, 2020Observed: 564.32 ft at 3:40AM Nov 27, 2020Observed: 564.31 ft at 3:45AM Nov 27, 2020Observed: 564.31 ft at 4:05AM Nov 27, 2020Observed: 564.3 ft at 4:20AM Nov 27, 2020Observed: 564.3 ft at 4:35AM Nov 27, 2020Observed: 564.3 ft at 4:50AM Nov 27, 2020Observed: 564.28 ft at 5:05AM Nov 27, 2020Observed: 564.28 ft at 5:25AM Nov 27, 2020Observed: 564.28 ft at 5:40AM Nov 27, 2020Observed: 564.28 ft at 5:45AM Nov 27, 2020Observed: 564.27 ft at 6:05AM Nov 27, 2020Observed: 564.27 ft at 6:20AM Nov 27, 2020Observed: 564.26 ft at 6:35AM Nov 27, 2020Observed: 564.26 ft at 6:50AM Nov 27, 2020Observed: 564.26 ft at 7:05AM Nov 27, 2020Observed: 564.24 ft at 7:25AM Nov 27, 2020Observed: 564.24 ft at 7:40AM Nov 27, 2020Observed: 564.23 ft at 7:45AM Nov 27, 2020Observed: 564.23 ft at 8:05AM Nov 27, 2020Observed: 564.22 ft at 8:20AM Nov 27, 2020Observed: 564.22 ft at 8:35AM Nov 27, 2020Observed: 564.22 ft at 8:50AM Nov 27, 2020Observed: 564.21 ft at 9:05AM Nov 27, 2020Observed: 564.21 ft at 9:25AM Nov 27, 2020Observed: 564.21 ft at 9:40AM Nov 27, 2020Observed: 564.21 ft at 9:45AM Nov 27, 2020Observed: 564.2 ft at 10:05AM Nov 27, 2020Observed: 564.2 ft at 10:20AM Nov 27, 2020Observed: 564.19 ft at 10:35AM Nov 27, 2020Observed: 564.19 ft at 10:50AM Nov 27, 2020Observed: 564.18 ft at 11:05AM Nov 27, 2020Observed: 564.18 ft at 11:25AM Nov 27, 2020Observed: 564.18 ft at 11:40AM Nov 27, 2020Observed: 564.17 ft at 11:45AM Nov 27, 2020Observed: 564.17 ft at 12:05PM Nov 27, 2020Observed: 564.16 ft at 12:20PM Nov 27, 2020Observed: 564.16 ft at 12:35PM Nov 27, 2020Observed: 564.16 ft at 12:50PM Nov 27, 2020Observed: 564.16 ft at 1:05PM Nov 27, 2020Observed: 564.16 ft at 1:25PM Nov 27, 2020Observed: 564.15 ft at 1:40PM Nov 27, 2020Observed: 564.15 ft at 1:45PM Nov 27, 2020Observed: 564.15 ft at 2:05PM Nov 27, 2020Observed: 564.14 ft at 2:20PM Nov 27, 2020Observed: 564.12 ft at 2:35PM Nov 27, 2020Observed: 564.14 ft at 2:50PM Nov 27, 2020Observed: 564.14 ft at 3:05PM Nov 27, 2020Observed: 564.13 ft at 3:25PM Nov 27, 2020Observed: 564.11 ft at 3:40PM Nov 27, 2020Observed: 564.11 ft at 3:45PM Nov 27, 2020Observed: 564.11 ft at 4:05PM Nov 27, 2020Observed: 564.1 ft at 4:20PM Nov 27, 2020Observed: 564.11 ft at 4:35PM Nov 27, 2020Observed: 564.1 ft at 4:50PM Nov 27, 2020Observed: 564.1 ft at 5:05PM Nov 27, 2020Observed: 564.1 ft at 5:25PM Nov 27, 2020Observed: 564.09 ft at 5:40PM Nov 27, 2020Observed: 564.09 ft at 5:45PM Nov 27, 2020Observed: 564.09 ft at 6:05PM Nov 27, 2020Observed: 564.08 ft at 6:20PM Nov 27, 2020Observed: 564.08 ft at 6:35PM Nov 27, 2020Observed: 564.08 ft at 6:50PM Nov 27, 2020Observed: 564.07 ft at 7:05PM Nov 27, 2020Observed: 564.07 ft at 7:25PM Nov 27, 2020Observed: 564.06 ft at 7:40PM Nov 27, 2020Observed: 564.05 ft at 7:45PM Nov 27, 2020Observed: 564.06 ft at 8:05PM Nov 27, 2020Observed: 564.05 ft at 8:20PM Nov 27, 2020Observed: 564.05 ft at 8:35PM Nov 27, 2020Observed: 564.04 ft at 8:50PM Nov 27, 2020Observed: 564.04 ft at 9:05PM Nov 27, 2020Observed: 564.03 ft at 9:25PM Nov 27, 2020Observed: 564.03 ft at 9:40PM Nov 27, 2020Observed: 564.03 ft at 9:45PM Nov 27, 2020Observed: 564.02 ft at 10:05PM Nov 27, 2020Observed: 564.02 ft at 10:20PM Nov 27, 2020Observed: 564.03 ft at 10:35PM Nov 27, 2020Observed: 564.02 ft at 10:50PM Nov 27, 2020Observed: 564.02 ft at 11:05PM Nov 27, 2020Observed: 564 ft at 11:25PM Nov 27, 2020Observed: 564.01 ft at 11:40PM Nov 27, 2020Observed: 563.97 ft at 1:45AM Nov 28, 2020Observed: 563.97 ft at 2:05AM Nov 28, 2020Observed: 563.97 ft at 2:20AM Nov 28, 2020Observed: 563.96 ft at 2:35AM Nov 28, 2020Observed: 563.96 ft at 2:50AM Nov 28, 2020Observed: 563.96 ft at 3:05AM Nov 28, 2020Observed: 563.95 ft at 3:25AM Nov 28, 2020Observed: 563.95 ft at 3:40AM Nov 28, 2020Observed: 563.93 ft at 3:45AM Nov 28, 2020Observed: 563.95 ft at 4:05AM Nov 28, 2020Observed: 563.92 ft at 4:20AM Nov 28, 2020Observed: 563.94 ft at 4:35AM Nov 28, 2020Observed: 563.93 ft at 4:50AM Nov 28, 2020Observed: 563.93 ft at 5:05AM Nov 28, 2020Observed: 563.91 ft at 5:25AM Nov 28, 2020Observed: 563.92 ft at 5:40AM Nov 28, 2020Observed: 563.93 ft at 5:45AM Nov 28, 2020Observed: 563.91 ft at 6:05AM Nov 28, 2020Observed: 563.91 ft at 6:20AM Nov 28, 2020Observed: 563.9 ft at 6:35AM Nov 28, 2020Observed: 563.91 ft at 6:50AM Nov 28, 2020Observed: 563.88 ft at 7:45AM Nov 28, 2020Observed: 563.89 ft at 8:05AM Nov 28, 2020Observed: 563.87 ft at 8:20AM Nov 28, 2020Observed: 563.89 ft at 8:35AM Nov 28, 2020Observed: 563.87 ft at 8:50AM Nov 28, 2020Observed: 563.86 ft at 9:05AM Nov 28, 2020Observed: 563.86 ft at 9:25AM Nov 28, 2020Observed: 563.86 ft at 9:40AM Nov 28, 2020Observed: 563.86 ft at 9:45AM Nov 28, 2020Observed: 563.85 ft at 10:05AM Nov 28, 2020Observed: 563.86 ft at 10:20AM Nov 28, 2020Observed: 563.85 ft at 10:35AM Nov 28, 2020Observed: 563.84 ft at 10:50AM Nov 28, 2020Observed: 563.85 ft at 11:05AM Nov 28, 2020Observed: 563.84 ft at 11:25AM Nov 28, 2020Observed: 563.84 ft at 11:40AM Nov 28, 2020Observed: 563.84 ft at 11:45AM Nov 28, 2020Observed: 563.85 ft at 12:05PM Nov 28, 2020Observed: 563.81 ft at 12:20PM Nov 28, 2020Observed: 563.82 ft at 12:35PM Nov 28, 2020Observed: 563.84 ft at 12:50PM Nov 28, 2020Observed: 563.79 ft at 1:05PM Nov 28, 2020Observed: 563.8 ft at 1:25PM Nov 28, 2020Observed: 563.78 ft at 1:40PM Nov 28, 2020Observed: 563.79 ft at 1:45PM Nov 28, 2020Observed: 563.78 ft at 2:05PM Nov 28, 2020Observed: 563.78 ft at 2:20PM Nov 28, 2020Observed: 563.79 ft at 2:35PM Nov 28, 2020Observed: 563.78 ft at 2:50PM Nov 28, 2020Observed: 563.78 ft at 3:05PM Nov 28, 2020Observed: 563.77 ft at 3:25PM Nov 28, 2020Observed: 563.78 ft at 3:40PM Nov 28, 2020Observed: 563.77 ft at 3:45PM Nov 28, 2020Observed: 563.78 ft at 4:05PM Nov 28, 2020Observed: 563.76 ft at 4:20PM Nov 28, 2020Observed: 563.77 ft at 4:35PM Nov 28, 2020Observed: 563.74 ft at 4:50PM Nov 28, 2020Observed: 563.76 ft at 5:05PM Nov 28, 2020Observed: 563.74 ft at 5:25PM Nov 28, 2020Observed: 563.75 ft at 5:40PM Nov 28, 2020Observed: 563.76 ft at 5:45PM Nov 28, 2020Observed: 563.74 ft at 6:05PM Nov 28, 2020Observed: 563.74 ft at 6:20PM Nov 28, 2020Observed: 563.73 ft at 6:35PM Nov 28, 2020Observed: 563.73 ft at 6:50PM Nov 28, 2020Observed: 563.73 ft at 7:05PM Nov 28, 2020Observed: 563.72 ft at 7:25PM Nov 28, 2020Observed: 563.72 ft at 7:40PM Nov 28, 2020Observed: 563.72 ft at 7:45PM Nov 28, 2020Observed: 563.72 ft at 8:05PM Nov 28, 2020Observed: 563.7 ft at 8:20PM Nov 28, 2020Observed: 563.71 ft at 8:35PM Nov 28, 2020Observed: 563.71 ft at 8:50PM Nov 28, 2020Observed: 563.69 ft at 9:05PM Nov 28, 2020Observed: 563.68 ft at 9:25PM Nov 28, 2020Observed: 563.68 ft at 9:40PM Nov 28, 2020Observed: 563.69 ft at 9:45PM Nov 28, 2020Observed: 563.67 ft at 10:05PM Nov 28, 2020Observed: 563.69 ft at 10:20PM Nov 28, 2020Observed: 563.66 ft at 10:35PM Nov 28, 2020Observed: 563.67 ft at 10:50PM Nov 28, 2020Observed: 563.66 ft at 11:05PM Nov 28, 2020Observed: 563.67 ft at 11:25PM Nov 28, 2020Observed: 563.65 ft at 11:40PM Nov 28, 2020Observed: 563.64 ft at 1:45AM Nov 29, 2020Observed: 563.61 ft at 2:05AM Nov 29, 2020Observed: 563.63 ft at 2:20AM Nov 29, 2020Highest Forecast: 563.6 ft 7:00AM Nov 29, 2020Forecast: 563.5 ft 1:00PM Nov 29, 2020Forecast: 563.4 ft 7:00PM Nov 29, 2020Forecast: 563.3 ft 1:00AM Nov 30, 2020Forecast: 563.2 ft 7:00AM Nov 30, 2020Forecast: 563.2 ft 1:00PM Nov 30, 2020Forecast: 563.3 ft 7:00PM Nov 30, 2020Forecast: 563.3 ft 1:00AM Dec 01, 2020Forecast: 563.3 ft 7:00AM Dec 01, 2020ASEN6(plotting HPIRZ) Graph Created (3:15AM Nov 29, 2020)ObservedForecast (issued 11:13AM Nov 28)Latest observed value: 563.63 ft at 2:20 AM EST 29-Nov-2020. Flood Stage is 589 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
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
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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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
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251 Fuller Road Suite B300
Albany, NY 12203-3650
(518) 435-9580
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Page last modified: 30-Oct-2020 4:10 PM
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