Tioga River at Tioga Junction

Highest listed crest 22.12 ftFlood stage 15.0 ft10 crests since 1975

The Tioga River at Tioga Junction crested at major flood stage 1 time among the 10 crests the National Weather Service lists from 1975 to 2004. The highest, 22.12 ft on September 25, 1975, was major flooding, 7.12 feet above flood stage. 2 other gauges on the Tioga River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest: 22.12 ft; September 25, 1975; 48,000 cubic feet per second
Flood stage: 15.0 ft; Major flooding from 20.0 ft
Crests at major: 1; 103rd of 170 gauges in Pennsylvania
Most recent flood crest: September 17, 2004; 15.33 ft, minor flooding
Location: Tioga County; Near Corning (13.9 mi)
Identifiers: NWS TGJP1; USGS 01518700

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Tioga River at Tioga Junction

Action stage	13.0	1	Jan 19, 1996	The level at which the NWS or its partners begin to take action
Flood stage (minor)	15.0	7	Sep 17, 2004	Minimal or no property damage, but possibly some public threat
Moderate flood stage	17.0	1	Jan 26, 1978	Some inundation of structures and roads near the stream
Major flood stage	20.0	1	Sep 25, 1975	Extensive inundation of structures and roads

Every listed crest

10 crests from 1975 to 2004. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Tioga River at Tioga Junction

1	Sep 25, 1975	22.12	+7.12	Major	48,000
2	Jan 26, 1978	17.20	+2.20	Moderate	—
3	Feb 25, 1977	16.70	+1.70	Minor	17,900
4	May 14, 1978	16.70	+1.70	Minor	14,000
5	Nov 5, 1977	16.45	+1.45	Minor	—
6	Jan 9, 1978	16.42	+1.42	Minor	—
7	Mar 21, 1978	15.60	+0.60	Minor	—
8	Aug 18, 1994	15.42	+0.42	Minor	11,200
9	Sep 17, 2004	15.33	+0.33	Minor	—
10	Jan 19, 1996	14.68	−0.32	Action	9,138

The worst floods along the Tioga River

For this gauge's highest crests, the other gauges on the Tioga River that crested above flood stage within a week.

September 25, 1975: 22.12 ft here, major flooding

LindleyNY · Sep 26, 1975 · 23.37 ft · Major
MansfieldPA · Sep 25, 1975 · 20.13 ft · Major · its highest

May 14, 1978: 16.70 ft here, minor flooding

MansfieldPA · May 14, 1978 · 16.17 ft · Major

Gauges on the Tioga River

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Tioga River

Mansfield	PA	12.0	20.13 ft, Sep 25, 1975	10
Tioga Junction this gauge	PA	15.0	22.12 ft, Sep 25, 1975	1
Lindley	NY	17.0	26.27 ft, Jun 23, 1972	3
Erwins	NY	18.0	26.74 ft, Jun 23, 1972	1

Other gauges in Tioga County

Flood gauges in Tioga County

Lawrenceville	13.0	18.13 ft, Sep 26, 1975	2
Mansfield	12.0	20.13 ft, Sep 25, 1975	10

Tioga County: every hazard · River floods across the country · Pennsylvania

NOAA National Water Prediction Service, gauge TGJP1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.