Tioga Lake water level
Source: waterdata.usgs.gov/monitoring-location/USGS-01517900, accessed October 1, 2026. Updated every 6 hours.
Tioga Lake's elevation is 1081.52 ft as of September 29, 2026. Tioga Lake is near Tioga Dam At Tioga, Pennsylvania.
Tioga Lake level history
Highs and lows are daily readings in the published data, not official records. Source: USGS daily data.
Elevation, ft, since 2016
Tioga Lake has held roughly steady since the previous reading (September 27, 2026).
On this same date last year (September 28, 2025), Tioga Lake was 1080.75 ft, 0.74 ft lower than today's 1081.49 ft.
Weekly averages of the source's daily readings; older years may be monthly or sparser where that is all the source published. Download the charted data (JSON).
Tioga Lake map
Tioga Lake is at 41.8992, -77.1389. Open in OpenStreetMap.
The dam
- Flood control
- Recreation
Sources: nid.sec.usace.army.mil, accessed September 29, 2026
On the water
No campgrounds, boat ramps, or swim spots linked to Tioga Lake yet.
Common questions
- Tioga Lake's elevation is 1081.52 ft as of September 29, 2026.
- In USGS daily data since October 1, 2016, Tioga Lake's highest elevation was 1,105.29 ft on December 25, 2020. Its lowest since October 1, 2016 was 1,076.66 ft on October 16, 2020. These are the highest and lowest daily readings in the published data, not official records.
- Tioga Lake is near Tioga Dam At Tioga, Pennsylvania (41.8992, -77.1389).
- US Army Corps of Engineers operates the dam at Tioga Lake.
- Tioga Lake's dam is used for Flood control, Recreation.