RIVER GAUGE · THOMPSON RUN
Thompson Run at Turtle Creek
Allegheny County, Pennsylvania
Water level0.90 ft
Flow28 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action4.5 ft970 cfs
Minor flood6 ft1,640 cfs
Moderate flood9 ft3,400 cfs
Major flood11 ft4,840 cfs
The past week
Loading chart…
What floods at each level
- 12 ft
Water reaches Tri-Boro Bridge roadway.
- 11.34 ft
Water reaches the record flooding observed June 18, 2009.
- 9 ft
Water reaches the bottom of the steel superstructure under the Tri-Boro bridge.
- 8.23 ft
Water reaches the flooding that occured during Hurricane Ivan on September 17, 2004.
- 5.57 ft
Water reaches the level that occurred June 5, 2010.
- 5.5 ft
Flooding begins on Church streat near intersection wth Railroad Street.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 17, 2009 | 11.34 ft | 5,110 cfs |
| Sep 16, 2004 | 8.23 ft | 3,170 cfs |
| Jul 21, 2019 | 6.96 ft | 1,972 cfs |
Get an alert when Thompson Run rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.
