Delaware River at Matamoras/Port Jervis
Pennsylvania — Water Level & Flood Stage
Located in Pike County, Pennsylvania on the Delaware River. Live water level data from USGS gauge 01434000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
21.5 ft
Moderate Flood
20 ft
Minor Flood
18 ft
128,000 cfs
Action Stage
16 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
26.6 ft
Record crest from the 1981 ice jam flood. Damage occurred to 950 structures, totalling 14.7 million dollars.
23.9 ft
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 ft
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 ft
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 ft
The river is bank full on the New York side. Riverside Park to West End Beach areas in Port Jervis will flood.
20.5 ft
This is the level of the significant April 2005 flood.
20 ft
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 ft
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 ft
Properties along Rose Lane in Matamoras are impacted by flood waters. Backwater flooding affects property and basements on Avenue R.
18 ft
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 ft
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 ft
Access Road to Mashipacong Island begins to take on water.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Feb 11, 1981 | 26.6 ft | 242,100 cfs |
| Feb 11, 1981 | 26.6 ft | 242,100 cfs |
| Mar 7, 1904 | 25.5 ft | 205,000 cfs |
| Mar 7, 1904 | 25.5 ft | 205,000 cfs |
| Aug 18, 1955 | 23.91 ft | 233,000 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
Get Flood Alerts for Delaware River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Delaware River at Matamoras/Port Jervis?
The Delaware River at Matamoras/Port Jervis gauge is maintained by USGS (site 01434000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Delaware River at Matamoras/Port Jervis?
The NWS-defined flood stage for Delaware River at Matamoras/Port Jervis is 18 feet. Action stage begins at 16 feet. Moderate flooding starts at 20 feet, and major flooding at 21.5 feet.
How do I get alerts when Delaware River rises?
Download StormCast free on Google Play, go to River Gauges, and add Delaware River at Matamoras/Port Jervis to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Delaware River at Matamoras/Port Jervis gauge located?
The gauge is located in Pike County, Pennsylvania at coordinates 41.3706°N, 74.6978°W. USGS site number: 01434000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.