Major Flood
11 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
9 ft
Minor Flood
6 ft
Action Stage
4.5 ft
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.
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 |
|---|---|---|
| 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 |
About This Gauge
USGS Site
NWS LID
TTKP1
River
Thompson Run
County
Allegheny, PA
Coordinates
40.4053°N, 79.8281°W
Get Flood Alerts for Thompson Run
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 Thompson Run at Turtle Creek?
The Thompson Run at Turtle Creek gauge is maintained by USGS (site 03084800) 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 Thompson Run at Turtle Creek?
The NWS-defined flood stage for Thompson Run at Turtle Creek is 6 feet. Action stage begins at 4.5 feet. Moderate flooding starts at 9 feet, and major flooding at 11 feet.
How do I get alerts when Thompson Run rises?
Download StormCast free on Google Play, go to River Gauges, and add Thompson Run at Turtle Creek to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Thompson Run at Turtle Creek gauge located?
The gauge is located in Allegheny County, Pennsylvania at coordinates 40.4053°N, 79.8281°W. USGS site number: 03084800. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.