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Hydrograph River at a Glance Download Inundation
Mapping
Delaware River at Matamoras/Port Jervis Stage (ft)Flow (kcfs)Highest Observation: 4.53 ft at 3:45PM Oct 19, 2018Highest Observation: 4.53 ft at 4:00PM Oct 19, 2018Observed: 4.52 ft at 4:15PM Oct 19, 2018Observed: 4.52 ft at 4:30PM Oct 19, 2018Observed: 4.52 ft at 4:45PM Oct 19, 2018Observed: 4.52 ft at 5:00PM Oct 19, 2018Observed: 4.52 ft at 5:15PM Oct 19, 2018Observed: 4.52 ft at 5:30PM Oct 19, 2018Observed: 4.52 ft at 5:45PM Oct 19, 2018Observed: 4.51 ft at 6:00PM Oct 19, 2018Observed: 4.51 ft at 6:15PM Oct 19, 2018Observed: 4.51 ft at 6:30PM Oct 19, 2018Observed: 4.51 ft at 6:45PM Oct 19, 2018Observed: 4.51 ft at 7:00PM Oct 19, 2018Observed: 4.51 ft at 7:15PM Oct 19, 2018Observed: 4.51 ft at 7:30PM Oct 19, 2018Observed: 4.51 ft at 7:45PM Oct 19, 2018Observed: 4.51 ft at 8:00PM Oct 19, 2018Observed: 4.5 ft at 8:15PM Oct 19, 2018Observed: 4.5 ft at 8:30PM Oct 19, 2018Observed: 4.5 ft at 8:45PM Oct 19, 2018Observed: 4.5 ft at 9:00PM Oct 19, 2018Observed: 4.5 ft at 9:15PM Oct 19, 2018Observed: 4.5 ft at 9:30PM Oct 19, 2018Observed: 4.5 ft at 9:45PM Oct 19, 2018Observed: 4.5 ft at 10:00PM Oct 19, 2018Observed: 4.49 ft at 10:15PM Oct 19, 2018Observed: 4.49 ft at 10:30PM Oct 19, 2018Observed: 4.49 ft at 10:45PM Oct 19, 2018Observed: 4.49 ft at 11:00PM Oct 19, 2018Observed: 4.49 ft at 11:15PM Oct 19, 2018Observed: 4.49 ft at 11:30PM Oct 19, 2018Observed: 4.49 ft at 11:45PM Oct 19, 2018Observed: 4.48 ft at 12:00AM Oct 20, 2018Observed: 4.48 ft at 12:15AM Oct 20, 2018Observed: 4.48 ft at 12:30AM Oct 20, 2018Observed: 4.46 ft at 12:45AM Oct 20, 2018Observed: 4.44 ft at 1:00AM Oct 20, 2018Observed: 4.41 ft at 1:15AM Oct 20, 2018Observed: 4.39 ft at 1:30AM Oct 20, 2018Observed: 4.38 ft at 1:45AM Oct 20, 2018Observed: 4.36 ft at 2:00AM Oct 20, 2018Observed: 4.33 ft at 2:15AM Oct 20, 2018Observed: 4.31 ft at 2:30AM Oct 20, 2018Observed: 4.28 ft at 2:45AM Oct 20, 2018Observed: 4.27 ft at 3:00AM Oct 20, 2018Observed: 4.26 ft at 3:15AM Oct 20, 2018Observed: 4.26 ft at 3:30AM Oct 20, 2018Observed: 4.25 ft at 3:45AM Oct 20, 2018Observed: 4.25 ft at 4:00AM Oct 20, 2018Observed: 4.25 ft at 4:15AM Oct 20, 2018Observed: 4.25 ft at 4:30AM Oct 20, 2018Observed: 4.25 ft at 4:45AM Oct 20, 2018Observed: 4.25 ft at 5:00AM Oct 20, 2018Observed: 4.25 ft at 5:15AM Oct 20, 2018Observed: 4.25 ft at 5:30AM Oct 20, 2018Observed: 4.25 ft at 5:45AM Oct 20, 2018Observed: 4.25 ft at 6:00AM Oct 20, 2018Observed: 4.25 ft at 6:15AM Oct 20, 2018Observed: 4.24 ft at 6:30AM Oct 20, 2018Observed: 4.24 ft at 6:45AM Oct 20, 2018Observed: 4.24 ft at 7:00AM Oct 20, 2018Observed: 4.24 ft at 7:15AM Oct 20, 2018Observed: 4.24 ft at 7:30AM Oct 20, 2018Observed: 4.24 ft at 7:45AM Oct 20, 2018Observed: 4.24 ft at 8:00AM Oct 20, 2018Observed: 4.24 ft at 8:15AM Oct 20, 2018Observed: 4.24 ft at 8:30AM Oct 20, 2018Observed: 4.24 ft at 8:45AM Oct 20, 2018Observed: 4.24 ft at 9:00AM Oct 20, 2018Observed: 4.23 ft at 9:15AM Oct 20, 2018Observed: 4.23 ft at 9:30AM Oct 20, 2018Observed: 4.23 ft at 9:45AM Oct 20, 2018Observed: 4.23 ft at 10:00AM Oct 20, 2018Observed: 4.23 ft at 10:15AM Oct 20, 2018Observed: 4.23 ft at 10:30AM Oct 20, 2018Observed: 4.23 ft at 10:45AM Oct 20, 2018Observed: 4.23 ft at 11:00AM Oct 20, 2018Observed: 4.23 ft at 11:15AM Oct 20, 2018Observed: 4.23 ft at 11:30AM Oct 20, 2018Observed: 4.23 ft at 11:45AM Oct 20, 2018Observed: 4.23 ft at 12:00PM Oct 20, 2018Observed: 4.22 ft at 12:15PM Oct 20, 2018Observed: 4.22 ft at 12:30PM Oct 20, 2018Observed: 4.22 ft at 12:45PM Oct 20, 2018Observed: 4.22 ft at 1:00PM Oct 20, 2018Observed: 4.24 ft at 1:15PM Oct 20, 2018Observed: 4.26 ft at 1:30PM Oct 20, 2018Observed: 4.3 ft at 1:45PM Oct 20, 2018Observed: 4.34 ft at 2:00PM Oct 20, 2018Observed: 4.38 ft at 2:15PM Oct 20, 2018Observed: 4.4 ft at 2:30PM Oct 20, 2018Observed: 4.41 ft at 2:45PM Oct 20, 2018Observed: 4.42 ft at 3:00PM Oct 20, 2018Observed: 4.42 ft at 3:15PM Oct 20, 2018Observed: 4.42 ft at 3:30PM Oct 20, 2018Observed: 4.42 ft at 3:45PM Oct 20, 2018Observed: 4.42 ft at 4:00PM Oct 20, 2018Observed: 4.42 ft at 4:15PM Oct 20, 2018Observed: 4.42 ft at 4:30PM Oct 20, 2018Observed: 4.42 ft at 4:45PM Oct 20, 2018Observed: 4.42 ft at 5:00PM Oct 20, 2018Observed: 4.42 ft at 5:15PM Oct 20, 2018Observed: 4.42 ft at 5:30PM Oct 20, 2018Observed: 4.42 ft at 5:45PM Oct 20, 2018Observed: 4.42 ft at 6:00PM Oct 20, 2018Observed: 4.42 ft at 6:15PM Oct 20, 2018Observed: 4.42 ft at 6:30PM Oct 20, 2018Observed: 4.42 ft at 6:45PM Oct 20, 2018Observed: 4.42 ft at 7:00PM Oct 20, 2018Observed: 4.42 ft at 7:15PM Oct 20, 2018Observed: 4.42 ft at 7:30PM Oct 20, 2018Observed: 4.42 ft at 7:45PM Oct 20, 2018Observed: 4.41 ft at 8:00PM Oct 20, 2018Observed: 4.41 ft at 8:15PM Oct 20, 2018Observed: 4.41 ft at 8:30PM Oct 20, 2018Observed: 4.41 ft at 8:45PM Oct 20, 2018Observed: 4.41 ft at 9:00PM Oct 20, 2018Observed: 4.41 ft at 9:15PM Oct 20, 2018Observed: 4.41 ft at 9:30PM Oct 20, 2018Observed: 4.41 ft at 9:45PM Oct 20, 2018Observed: 4.41 ft at 10:00PM Oct 20, 2018Observed: 4.41 ft at 10:15PM Oct 20, 2018Observed: 4.41 ft at 10:30PM Oct 20, 2018Observed: 4.39 ft at 10:45PM Oct 20, 2018Observed: 4.37 ft at 11:00PM Oct 20, 2018Observed: 4.35 ft at 11:15PM Oct 20, 2018Observed: 4.33 ft at 11:30PM Oct 20, 2018Observed: 4.31 ft at 11:45PM Oct 20, 2018Observed: 4.3 ft at 12:00AM Oct 21, 2018Observed: 4.28 ft at 12:15AM Oct 21, 2018Observed: 4.25 ft at 12:30AM Oct 21, 2018Observed: 4.23 ft at 12:45AM Oct 21, 2018Observed: 4.22 ft at 1:00AM Oct 21, 2018Observed: 4.21 ft at 1:15AM Oct 21, 2018Observed: 4.21 ft at 1:30AM Oct 21, 2018Observed: 4.2 ft at 1:45AM Oct 21, 2018Observed: 4.2 ft at 2:00AM Oct 21, 2018Observed: 4.2 ft at 2:15AM Oct 21, 2018Observed: 4.2 ft at 2:30AM Oct 21, 2018Observed: 4.2 ft at 2:45AM Oct 21, 2018Observed: 4.2 ft at 3:00AM Oct 21, 2018Observed: 4.2 ft at 3:15AM Oct 21, 2018Observed: 4.2 ft at 3:30AM Oct 21, 2018Observed: 4.2 ft at 3:45AM Oct 21, 2018Observed: 4.2 ft at 4:00AM Oct 21, 2018Observed: 4.2 ft at 4:15AM Oct 21, 2018Observed: 4.2 ft at 4:30AM Oct 21, 2018Observed: 4.2 ft at 4:45AM Oct 21, 2018Observed: 4.2 ft at 5:00AM Oct 21, 2018Observed: 4.2 ft at 5:15AM Oct 21, 2018Observed: 4.2 ft at 5:30AM Oct 21, 2018Observed: 4.2 ft at 5:45AM Oct 21, 2018Observed: 4.2 ft at 6:00AM Oct 21, 2018Observed: 4.2 ft at 6:15AM Oct 21, 2018Observed: 4.2 ft at 6:30AM Oct 21, 2018Observed: 4.2 ft at 6:45AM Oct 21, 2018Observed: 4.2 ft at 7:00AM Oct 21, 2018Observed: 4.2 ft at 7:15AM Oct 21, 2018Observed: 4.2 ft at 7:30AM Oct 21, 2018Observed: 4.2 ft at 7:45AM Oct 21, 2018Observed: 4.2 ft at 8:00AM Oct 21, 2018Observed: 4.2 ft at 8:15AM Oct 21, 2018Observed: 4.2 ft at 8:30AM Oct 21, 2018Observed: 4.2 ft at 8:45AM Oct 21, 2018Observed: 4.2 ft at 9:00AM Oct 21, 2018Observed: 4.2 ft at 9:15AM Oct 21, 2018Observed: 4.2 ft at 9:30AM Oct 21, 2018Observed: 4.2 ft at 9:45AM Oct 21, 2018Observed: 4.2 ft at 10:00AM Oct 21, 2018Observed: 4.19 ft at 10:15AM Oct 21, 2018Observed: 4.2 ft at 10:30AM Oct 21, 2018Observed: 4.19 ft at 10:45AM Oct 21, 2018Observed: 4.19 ft at 11:00AM Oct 21, 2018Observed: 4.19 ft at 11:15AM Oct 21, 2018Observed: 4.2 ft at 11:30AM Oct 21, 2018Observed: 4.2 ft at 11:45AM Oct 21, 2018Observed: 4.2 ft at 12:00PM Oct 21, 2018Observed: 4.2 ft at 12:15PM Oct 21, 2018Observed: 4.19 ft at 12:30PM Oct 21, 2018Observed: 4.19 ft at 12:45PM Oct 21, 2018Observed: 4.2 ft at 1:00PM Oct 21, 2018Observed: 4.19 ft at 1:15PM Oct 21, 2018Observed: 4.19 ft at 1:30PM Oct 21, 2018Observed: 4.19 ft at 1:45PM Oct 21, 2018Observed: 4.2 ft at 2:00PM Oct 21, 2018Observed: 4.22 ft at 2:15PM Oct 21, 2018Observed: 4.25 ft at 2:30PM Oct 21, 2018Highest Forecast: 4.5 ft 8:00PM Oct 21, 2018Highest Forecast: 4.5 ft 2:00AM Oct 22, 2018Forecast: 4.4 ft 8:00AM Oct 22, 2018Forecast: 4.4 ft 2:00PM Oct 22, 2018Forecast: 4.4 ft 8:00PM Oct 22, 2018Forecast: 4.3 ft 2:00AM Oct 23, 2018Forecast: 4.3 ft 8:00AM Oct 23, 2018Forecast: 4.2 ft 2:00PM Oct 23, 2018Forecast: 4.2 ft 8:00PM Oct 23, 2018Forecast: 4.2 ft 2:00AM Oct 24, 2018Forecast: 4.2 ft 8:00AM Oct 24, 2018USGS--Water Resources of the United StatesMTMP1(plotting HGIRG) Graph Created (3:30PM Oct 21, 2018)ObservedForecast (issued 9:46AM Oct 21)Latest observed value: 4.25 ft at 2:30 PM EDT 21-Oct-2018. Flood Stage is 18 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Flood categories were updated on Aug 6, 2018. Categories for inundation maps will be updated on a date TBD - please only use the "Inundation Levels" option on the Inundation Mapping tab.

NOTE: Forecasts for the Delaware River at Matamoras/Port Jervis are issued routinely year-round.

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Upstream Gauge - at Barryville Upstream Gauge Downstream Gauge Downstream Gauge - at Montague
Flood Categories (in feet)
Major Flood Stage: 21.5
Moderate Flood Stage: 20
Flood Stage: 18
Action Stage: 16
Low Stage (in feet): -9999

Historic Crests
(1) 26.60 ft on 02/12/1981
(2) 25.50 ft on 03/08/1904
(3) 23.91 ft on 08/19/1955
(4) 23.10 ft on 10/10/1903
(5) 21.47 ft on 06/28/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.47 ft on 06/28/2006
(2) 20.52 ft on 04/03/2005
(3) 19.52 ft on 09/18/2004
(4) 18.37 ft on 01/20/1996
(5) 26.60 ft on 02/12/1981
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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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
26.6 Record crest from the 1981 ice jam flood. Damage occurred to 950 structures, totalling 14.7 million dollars.
23.9 Flooding overtops the flood walls on the New York and Pennsylvania sides of the river. Widespread flooding occurs with significant damage throughout Port Jervis NY, Matamoras PA, and Montague Township NJ.
22 Low points along flood walls and the river banks are reached in Matamoras which contributes to a considerable amount of inundation in town. Low areas of Port Jervis flood.
21.5 This is the crest of the June 2006 flood. Flooding is extensive in Westfall Township, portions of Matamoras and Montague Township. Serious backwater flooding occurs near the confluence of the Neversink River near Port Jervis.
21 The river is bank full on the New York side. Riverside Park to West End Beach areas in Port Jervis will flood.
20.5 This is the level of the significant April 2005 flood.
20 Flooding worsens from Cemetery Road and Rose Lane, to Avenue R and 10th Street in Matamoras. Inundation increases around the plazas along U.S. Route 6 in Westfall. Flooding at the confluence of the Neversink River increases.
19.5 Inundation covers roads and parking lots near the Delaware Valley High School, Milford Senior Care facility, and the shopping plazas in Westfall Township. Several properties on the New Jersey side of the river begin to flood.
19 Properties along Rose Lane in Matamoras are impacted by flood waters. Backwater flooding affects property and basements on Avenue R.
18 Water begins to back up into the southwest side of Matamoras near Airport Park, 10th Street and Avenue S. The river may back up storm drains into portions of Port Jervis between Railroad Ave., and Water Street. The Neversink begins backing into neighborhoods when the Delaware reaches this stage.
16 Parts of Delaware Drive upstream of Matamoras begin to flood. Backwater starts to affect properties in Westfall Township along U.S. 6 from Delaware Valley High School to Home Depot.
15 Access Road to Mashipacong Island begins to take on water.
About This Location Collapse

Latitude: 41.370556° N, Longitude: 74.697778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 18 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 29 415.35 ft 433.35 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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.

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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.
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Page last modified: 21-Dec-2016 5:21 PM
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