Tioga River at Tioga Junction
Pennsylvania — Water Level & Flood Stage
Located in Tioga County, Pennsylvania on the Tioga River. Live water level data from USGS gauge 01518700, 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
20 ft
Moderate Flood
17 ft
Minor Flood
15 ft
Action Stage
13 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
27 ft
Flood waters begin to reach the Park Street Bridge in Tioga.
22.1 ft
Flood of record from September 1975.
20 ft
Widespread flooding occurs on both bankds. Much of Tioga Junction is affected by high water. A number of roads are closed. Flood waters begin to reach the Route 287 bridge on the northh side of Tioga.
18.5 ft
FEMA 0.2% Annual Chance Flood Level (500-year flood). Flood waters begin to reach the Junction Cross Road Bridge near Williamson High School.
17.5 ft
Flood waters begin to reach the Mechanic Street Bridge in Lawrenceville.
17 ft
The right, or east bank overflows. A number of homes on both banks are affected. Several roads are closed. Flood waters begin to reach the Main Street Bridge in Lawrenceville.
15 ft
The left, or west bank overflows, closing a couple of roads. A few homes are affected. FEMA 1% Annual Chance Flood Level (50-year flood).
13.5 ft
FEMA 2% Annual Chance Flood Level (50-year flood).
13 ft
FEMA 10% Annunal Chance Flood Level (10-year flood).
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 |
|---|---|---|
| Sep 24, 1975 | 22.12 ft | 48,000 cfs |
| Sep 24, 1975 | 22.12 ft | 48,000 cfs |
| Jan 25, 1978 | 17.2 ft | — |
| Jan 25, 1978 | 17.2 ft | — |
| Feb 24, 1977 | 16.7 ft | 17,900 cfs |
About This Gauge
Get Flood Alerts for Tioga 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 Tioga River at Tioga Junction?
The Tioga River at Tioga Junction gauge is maintained by USGS (site 01518700) 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 Tioga River at Tioga Junction?
The NWS-defined flood stage for Tioga River at Tioga Junction is 15 feet. Action stage begins at 13 feet. Moderate flooding starts at 17 feet, and major flooding at 20 feet.
How do I get alerts when Tioga River rises?
Download StormCast free on Google Play, go to River Gauges, and add Tioga River at Tioga Junction 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 Tioga River at Tioga Junction gauge located?
The gauge is located in Tioga County, Pennsylvania at coordinates 41.9525°N, 77.1156°W. USGS site number: 01518700. 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.
- Gauge reading affected by reservoir operations.