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Hydrograph River at a Glance Download
Esopus Creek at Ashokan Reservoir East Pool (ft)Observed: 586.24 ft at 7:15PM Apr 29, 2024Observed: 586.24 ft at 7:30PM Apr 29, 2024Observed: 586.23 ft at 7:45PM Apr 29, 2024Observed: 586.24 ft at 8:00PM Apr 29, 2024Observed: 586.24 ft at 8:15PM Apr 29, 2024Observed: 586.24 ft at 8:30PM Apr 29, 2024Observed: 586.24 ft at 8:45PM Apr 29, 2024Observed: 586.25 ft at 9:00PM Apr 29, 2024Observed: 586.24 ft at 9:15PM Apr 29, 2024Observed: 586.24 ft at 9:30PM Apr 29, 2024Observed: 586.23 ft at 9:45PM Apr 29, 2024Observed: 586.24 ft at 10:00PM Apr 29, 2024Observed: 586.23 ft at 10:15PM Apr 29, 2024Observed: 586.23 ft at 10:30PM Apr 29, 2024Observed: 586.23 ft at 10:45PM Apr 29, 2024Observed: 586.23 ft at 11:00PM Apr 29, 2024Observed: 586.23 ft at 11:15PM Apr 29, 2024Observed: 586.22 ft at 11:30PM Apr 29, 2024Observed: 586.24 ft at 11:45PM Apr 29, 2024Observed: 586.22 ft at 12:00AM Apr 30, 2024Observed: 586.24 ft at 12:15AM Apr 30, 2024Observed: 586.22 ft at 12:30AM Apr 30, 2024Observed: 586.23 ft at 12:45AM Apr 30, 2024Observed: 586.22 ft at 1:00AM Apr 30, 2024Observed: 586.23 ft at 1:15AM Apr 30, 2024Observed: 586.23 ft at 1:30AM Apr 30, 2024Observed: 586.23 ft at 1:45AM Apr 30, 2024Observed: 586.23 ft at 2:00AM Apr 30, 2024Observed: 586.23 ft at 2:15AM Apr 30, 2024Observed: 586.22 ft at 2:30AM Apr 30, 2024Observed: 586.22 ft at 2:45AM Apr 30, 2024Observed: 586.22 ft at 3:00AM Apr 30, 2024Observed: 586.22 ft at 3:15AM Apr 30, 2024Observed: 586.22 ft at 3:30AM Apr 30, 2024Observed: 586.22 ft at 3:45AM Apr 30, 2024Observed: 586.22 ft at 4:15AM Apr 30, 2024Observed: 586.23 ft at 4:30AM Apr 30, 2024Observed: 586.22 ft at 4:45AM Apr 30, 2024Observed: 586.23 ft at 5:00AM Apr 30, 2024Observed: 586.22 ft at 5:15AM Apr 30, 2024Observed: 586.22 ft at 5:30AM Apr 30, 2024Observed: 586.22 ft at 5:45AM Apr 30, 2024Observed: 586.22 ft at 6:15AM Apr 30, 2024Observed: 586.22 ft at 6:30AM Apr 30, 2024Observed: 586.22 ft at 7:15AM Apr 30, 2024Observed: 586.22 ft at 7:30AM Apr 30, 2024Observed: 586.22 ft at 7:45AM Apr 30, 2024Observed: 586.21 ft at 8:00AM Apr 30, 2024Observed: 586.21 ft at 9:00AM Apr 30, 2024Observed: 586.22 ft at 9:15AM Apr 30, 2024Observed: 586.21 ft at 9:30AM Apr 30, 2024Observed: 586.22 ft at 9:45AM Apr 30, 2024Observed: 586.21 ft at 10:00AM Apr 30, 2024Observed: 586.21 ft at 10:15AM Apr 30, 2024Observed: 586.22 ft at 10:30AM Apr 30, 2024Observed: 586.21 ft at 10:45AM Apr 30, 2024Observed: 586.21 ft at 11:00AM Apr 30, 2024Observed: 586.21 ft at 11:15AM Apr 30, 2024Observed: 586.21 ft at 11:30AM Apr 30, 2024Observed: 586.2 ft at 11:45AM Apr 30, 2024Observed: 586.22 ft at 12:00PM Apr 30, 2024Observed: 586.2 ft at 12:15PM Apr 30, 2024Observed: 586.21 ft at 12:30PM Apr 30, 2024Observed: 586.2 ft at 12:45PM Apr 30, 2024Observed: 586.21 ft at 1:00PM Apr 30, 2024Observed: 586.2 ft at 1:15PM Apr 30, 2024Observed: 586.21 ft at 1:30PM Apr 30, 2024Observed: 586.2 ft at 1:45PM Apr 30, 2024Observed: 586.2 ft at 2:00PM Apr 30, 2024Observed: 586.2 ft at 2:15PM Apr 30, 2024Observed: 586.2 ft at 2:30PM Apr 30, 2024Observed: 586.2 ft at 2:45PM Apr 30, 2024Observed: 586.2 ft at 3:00PM Apr 30, 2024Observed: 586.2 ft at 3:15PM Apr 30, 2024Observed: 586.2 ft at 3:30PM Apr 30, 2024Observed: 586.2 ft at 3:45PM Apr 30, 2024Observed: 586.2 ft at 4:00PM Apr 30, 2024Observed: 586.2 ft at 4:15PM Apr 30, 2024Observed: 586.2 ft at 4:30PM Apr 30, 2024Observed: 586.2 ft at 4:45PM Apr 30, 2024Observed: 586.2 ft at 5:00PM Apr 30, 2024Observed: 586.21 ft at 5:15PM Apr 30, 2024Observed: 586.2 ft at 5:30PM Apr 30, 2024Observed: 586.2 ft at 5:45PM Apr 30, 2024Observed: 586.2 ft at 6:00PM Apr 30, 2024Observed: 586.2 ft at 6:15PM Apr 30, 2024Observed: 586.24 ft at 6:30PM Apr 30, 2024Observed: 586.22 ft at 6:45PM Apr 30, 2024Observed: 586.2 ft at 7:00PM Apr 30, 2024Observed: 586.24 ft at 7:15PM Apr 30, 2024Observed: 586.18 ft at 7:30PM Apr 30, 2024Observed: 586.25 ft at 7:45PM Apr 30, 2024Observed: 586.17 ft at 8:00PM Apr 30, 2024Observed: 586.24 ft at 8:15PM Apr 30, 2024Observed: 586.17 ft at 8:30PM Apr 30, 2024Observed: 586.26 ft at 8:45PM Apr 30, 2024Observed: 586.18 ft at 9:00PM Apr 30, 2024Highest Observation: 586.28 ft at 9:15PM Apr 30, 2024Observed: 586.2 ft at 9:30PM Apr 30, 2024Highest Observation: 586.28 ft at 9:45PM Apr 30, 2024Observed: 586.22 ft at 10:00PM Apr 30, 2024Observed: 586.27 ft at 10:15PM Apr 30, 2024Observed: 586.22 ft at 10:30PM Apr 30, 2024Observed: 586.24 ft at 10:45PM Apr 30, 2024Observed: 586.22 ft at 11:00PM Apr 30, 2024Observed: 586.22 ft at 11:15PM Apr 30, 2024Observed: 586.23 ft at 11:30PM Apr 30, 2024Observed: 586.22 ft at 11:45PM Apr 30, 2024Observed: 586.24 ft at 12:00AM May 01, 2024Observed: 586.2 ft at 12:15AM May 01, 2024Observed: 586.25 ft at 12:30AM May 01, 2024Observed: 586.21 ft at 12:45AM May 01, 2024Observed: 586.26 ft at 1:00AM May 01, 2024Observed: 586.21 ft at 1:15AM May 01, 2024Observed: 586.27 ft at 1:30AM May 01, 2024Observed: 586.2 ft at 1:45AM May 01, 2024Observed: 586.26 ft at 2:00AM May 01, 2024Observed: 586.2 ft at 2:15AM May 01, 2024Observed: 586.26 ft at 2:30AM May 01, 2024Observed: 586.21 ft at 2:45AM May 01, 2024Observed: 586.26 ft at 3:00AM May 01, 2024Observed: 586.25 ft at 3:15AM May 01, 2024Observed: 586.25 ft at 3:30AM May 01, 2024Observed: 586.25 ft at 3:45AM May 01, 2024Observed: 586.25 ft at 4:00AM May 01, 2024Observed: 586.25 ft at 4:15AM May 01, 2024Observed: 586.25 ft at 4:30AM May 01, 2024Observed: 586.25 ft at 4:45AM May 01, 2024Observed: 586.25 ft at 5:00AM May 01, 2024Observed: 586.25 ft at 5:15AM May 01, 2024Observed: 586.25 ft at 5:30AM May 01, 2024Observed: 586.25 ft at 5:45AM May 01, 2024Observed: 586.25 ft at 6:00AM May 01, 2024Observed: 586.25 ft at 6:15AM May 01, 2024Observed: 586.25 ft at 6:30AM May 01, 2024Observed: 586.25 ft at 6:45AM May 01, 2024Observed: 586.25 ft at 7:00AM May 01, 2024Observed: 586.25 ft at 7:15AM May 01, 2024Observed: 586.25 ft at 7:30AM May 01, 2024Observed: 586.25 ft at 7:45AM May 01, 2024Observed: 586.25 ft at 8:00AM May 01, 2024Observed: 586.25 ft at 8:15AM May 01, 2024Observed: 586.25 ft at 8:30AM May 01, 2024Observed: 586.25 ft at 8:45AM May 01, 2024Observed: 586.25 ft at 9:00AM May 01, 2024Observed: 586.25 ft at 9:15AM May 01, 2024Observed: 586.25 ft at 9:30AM May 01, 2024Observed: 586.25 ft at 9:45AM May 01, 2024Observed: 586.25 ft at 10:00AM May 01, 2024Observed: 586.25 ft at 10:15AM May 01, 2024Observed: 586.25 ft at 10:30AM May 01, 2024Observed: 586.25 ft at 10:45AM May 01, 2024Observed: 586.25 ft at 11:00AM May 01, 2024Observed: 586.25 ft at 11:15AM May 01, 2024Observed: 586.25 ft at 11:30AM May 01, 2024Observed: 586.25 ft at 11:45AM May 01, 2024Observed: 586.25 ft at 12:00PM May 01, 2024Observed: 586.25 ft at 12:15PM May 01, 2024Observed: 586.25 ft at 12:30PM May 01, 2024Observed: 586.25 ft at 12:45PM May 01, 2024Observed: 586.25 ft at 1:00PM May 01, 2024Observed: 586.25 ft at 1:15PM May 01, 2024Observed: 586.25 ft at 1:30PM May 01, 2024Observed: 586.25 ft at 1:45PM May 01, 2024Observed: 586.25 ft at 2:00PM May 01, 2024Observed: 586.25 ft at 2:15PM May 01, 2024Observed: 586.25 ft at 2:30PM May 01, 2024Observed: 586.25 ft at 2:45PM May 01, 2024Observed: 586.25 ft at 3:00PM May 01, 2024Observed: 586.25 ft at 3:15PM May 01, 2024Observed: 586.25 ft at 3:30PM May 01, 2024Observed: 586.25 ft at 3:45PM May 01, 2024Observed: 586.25 ft at 4:00PM May 01, 2024Observed: 586.25 ft at 4:15PM May 01, 2024Observed: 586.25 ft at 4:30PM May 01, 2024Observed: 586.25 ft at 4:45PM May 01, 2024Observed: 586.25 ft at 5:00PM May 01, 2024Observed: 586.25 ft at 5:15PM May 01, 2024Observed: 586.25 ft at 5:30PM May 01, 2024Observed: 586.25 ft at 5:45PM May 01, 2024Observed: 586.17 ft at 10:15PM May 01, 2024Observed: 586.16 ft at 1:57AM May 02, 2024Observed: 586.18 ft at 2:30PM May 02, 2024Observed: 586.18 ft at 2:45PM May 02, 2024Observed: 586.18 ft at 3:00PM May 02, 2024Observed: 586.18 ft at 3:15PM May 02, 2024Observed: 586.18 ft at 3:30PM May 02, 2024Observed: 586.18 ft at 3:45PM May 02, 2024Observed: 586.18 ft at 4:00PM May 02, 2024Observed: 586.18 ft at 4:15PM May 02, 2024Observed: 586.18 ft at 4:30PM May 02, 2024Observed: 586.18 ft at 4:45PM May 02, 2024Observed: 586.18 ft at 5:00PM May 02, 2024Observed: 586.18 ft at 5:15PM May 02, 2024Observed: 586.18 ft at 5:30PM May 02, 2024Observed: 586.18 ft at 5:45PM May 02, 2024Observed: 586.18 ft at 6:00PM May 02, 2024Observed: 586.18 ft at 6:15PM May 02, 2024Highest Forecast: 586.1 ft 8:00PM May 02, 2024Highest Forecast: 586.1 ft 2:00AM May 03, 2024Highest Forecast: 586.1 ft 8:00AM May 03, 2024Highest Forecast: 586.1 ft 2:00PM May 03, 2024Highest Forecast: 586.1 ft 8:00PM May 03, 2024Highest Forecast: 586.1 ft 2:00AM May 04, 2024Highest Forecast: 586.1 ft 8:00AM May 04, 2024Highest Forecast: 586.1 ft 2:00PM May 04, 2024Highest Forecast: 586.1 ft 8:00PM May 04, 2024Highest Forecast: 586.1 ft 2:00AM May 05, 2024Highest Forecast: 586.1 ft 8:00AM May 05, 2024ASEN6(plotting HPIRZ) Graph Created (7:00PM May 2, 2024)ObservedForecast (issued 11:20AM May 2)Latest observed value: 586.18 ft at 6:15 PM EDT 2-May-2024. Flood Stage is 589 ft
Printable Image
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
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.
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
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