Delaware River Flow Today
As of October 31, 2026 at 3:15 AM, the Delaware River is flowing at 3,430 cfs at Trenton Nj, NJ — 33% of normal for the date and down 3% in 24 hours. 8 of 10 USGS gauges reported in the last 3 days; flows range from 449 to 3,430 cfs. ❤ Favorite
Delaware River map
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Delaware River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Trenton Nj, the Delaware River is running 3,430 cfs — 33% of normal, down 3% since yesterday. Along the river, 7 of 7 reporting gauges are below normal (the typical gauge is at 33% of normal).
In the last 24 hours the river is rising at Muscotah (+643%) and Lordville Ny (+41%).
Highest against normal: Lordville Ny at 60%. Lowest: Port Jervis Ny at 29%.
How the Delaware River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Muscotah924 ft 449 cfs
- Lordville Ny841 ft 1,280 cfs60%
- Callicoon Ny737 ft 1,280 cfs51%
- Barryville Ny602 ft 1,080 cfs38%
- Port Jervis Ny418 ft 1,300 cfs29%
- Montague Nj374 ft 1,760 cfs33%
- Belvidere Nj232 ft 2,440 cfs31%
- Trenton Nj7 ft 3,430 cfs33%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Delaware River streamgauge, placed by its own percent of normal. The line is the typical gauge (33%).
Delaware River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Delaware River Near Red Bluff NM
Last reported Mar 11 · USGS 08408500 |
49 cfs | · | · | 2.58 ft | flood 26.0 ft | 2,906 ft |
|
Delaware River Near Muscotah KS
Oct 31, 2:30 AM · USGS 06890100 |
449 cfs | · | +643% | 4.66 ft | 22.3 ft below | 924 ft |
|
Delaware River Below Perry Dam KS
Last reported Jun 24 · USGS 06890900 |
3,000 cfs | · | · | 29.29 ft | · | 901 ft |
|
Delaware River At Lordville Ny PA
Oct 31, 2:45 AM · USGS 01427207 |
1,280 cfs | 60% | +41% | 6.41 ft | · | 841 ft |
|
Delaware River At Callicoon Ny PA
Oct 31, 2:30 AM · USGS 01427510 |
1,280 cfs | 51% | +35% | 3.44 ft | 8.6 ft below | 737 ft |
|
Delaware River Above Lackawaxen River Near Barryville Ny NY
Oct 31, 2:45 AM · USGS 01428500 |
1,080 cfs | 38% | -2% | 2.90 ft | 14.1 ft below | 602 ft |
|
Delaware River At Port Jervis Ny PA
Oct 31, 3:30 AM · USGS 01434000 |
1,300 cfs | 29% | -3% | 2.44 ft | 15.6 ft below | 418 ft |
|
Delaware River At Montague Nj NJ
Oct 31, 3:30 AM · USGS 01438500 |
1,760 cfs | 33% | +6% | 5.13 ft | 19.9 ft below | 374 ft |
|
Delaware River At Belvidere Nj NJ
Oct 31, 3:30 AM · USGS 01446500 |
2,440 cfs | 31% | -1% | 3.69 ft | 18.3 ft below | 232 ft |
|
Delaware River At Trenton Nj NJ
Oct 31, 3:15 AM · USGS 01463500 |
3,430 cfs | 33% | -3% | 8.34 ft | · | 7 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Delaware River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Delaware River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Delaware River
The Delaware River is a major river on the east coast of the United States, spanning approximately 330 miles from its source in the Catskill Mountains of New York to its mouth at the Delaware Bay. The river has played a significant role in American history, serving as a boundary during colonial times and as a major shipping route during the industrial revolution. The Delaware River has a complex hydrology system with many tributaries and large reservoirs, including the Pepacton, Cannonsville, and Neversink reservoirs in New York, and the Blue Marsh Lake in Pennsylvania. These reservoirs provide drinking water for millions of people in the region. The river is also used for recreational activities such as fishing, boating, and hiking, and supports agricultural activities in the surrounding areas.
About the Delaware River
How is the Delaware River flowing right now?
As of October 31, 2026, the Delaware River is flowing at 3,430 cfs at Trenton Nj, NJ, about 33% of normal for the date. Across its 10 USGS gauges, current flows range from 449 to 3,430 cfs. Every gauge’s live reading is in the table above.
Is the Delaware River running high or low?
The typical gauge on the Delaware River is at 33% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Delaware River?
The National Weather Service sets flood stages for Red Bluff (26.0 ft), Muscotah (27.0 ft), Callicoon Ny (12.0 ft), Barryville Ny (17.0 ft), Port Jervis Ny (18.0 ft), Montague Nj (25.0 ft), Belvidere Nj (22.0 ft), . The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.