Tioga River Flow Today
As of October 9, 2026 at 1:45 AM, the Tioga River is flowing at 142 cfs near Erwins Ny, NY — 63% of normal for the date and down 4% in 24 hours. 4 of 5 USGS gauges reported in the last 3 days; flows range from 29 to 142 cfs. ❤ Favorite
Tioga River map
See the Tioga River on a live map
Every gauge, dam and paddle run on the river, one tap each:
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Tioga 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 Erwins Ny, the Tioga River is running 142 cfs — 63% of normal, down 4% since yesterday. Along the river, 3 of 4 reporting gauges are below normal (the typical gauge is at 77% of normal).
Highest against normal: Tioga at 98%. Lowest: Erwins Ny at 63%.
How the Tioga 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
- Mansfield1,126 ft 29 cfs79%
- Tioga1,023 ft 63 cfs98%
- Tioga Junction997 ft 67 cfs75%
- Erwins Ny946 ft 142 cfs63%
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 Tioga River streamgauge, placed by its own percent of normal. The line is the typical gauge (77%).
Tioga River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Tioga River Near Mansfield PA
Oct 9, 3:00 AM · USGS 01516350 |
29 cfs | 79% | -3% | -0.20 ft | 12.2 ft below | 1,126 ft |
|
Tioga River At Tioga PA
Oct 9, 3:00 AM · USGS 01518000 |
63 cfs | 98% | 0% | 0.55 ft | · | 1,023 ft |
|
Tioga River At Tioga Junction PA
Oct 9, 3:00 AM · USGS 01518700 |
67 cfs | 75% | -3% | 6.68 ft | 8.3 ft below | 997 ft |
|
Tioga River At Lindley Ny NY
Last reported Oct 1 · USGS 01520500 |
59 cfs | · | · | 3.10 ft | flood 17.0 ft | 969 ft |
|
Tioga River Near Erwins Ny NY
Oct 9, 1:45 AM · USGS 01526500 |
142 cfs | 63% | -4% | 0.58 ft | 17.4 ft below | 946 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.
Tioga River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Tioga River
The Tioga River is a 58-mile long river located in north-central Pennsylvania, in the United States. The river is known for its scenic beauty and recreational opportunities, including fishing, canoeing, and kayaking. The river's hydrology has been heavily impacted by the construction of several reservoirs and dams, including the Hammond Lake and the Cowanesque Lake, which were built in the mid-twentieth century for flood control and water supply purposes. The Tioga River has a rich cultural and historical significance, as it was an important transportation route for the indigenous peoples and early settlers. Today, the river is used for agricultural purposes, including irrigation and livestock watering. The river remains an important natural resource for the surrounding communities, and efforts continue to protect and preserve its water quality and ecosystem.
Fishing near the Tioga River
About the Tioga River
How is the Tioga River flowing right now?
As of October 9, 2026, the Tioga River is flowing at 142 cfs near Erwins Ny, NY, about 63% of normal for the date. Across its 5 USGS gauges, current flows range from 29 to 142 cfs. Every gauge’s live reading is in the table above.
Is the Tioga River running high or low?
The typical gauge on the Tioga River is at 77% 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 Tioga River?
The National Weather Service sets flood stages for Mansfield (12.0 ft), Tioga Junction (15.0 ft), Lindley Ny (17.0 ft), Erwins Ny (18.0 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.