Major Flood
15 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
12 ft
Minor Flood
9 ft
Action Stage
7 ft
What Floods at Each Level
18 ft
Widespread flooding occurs with many roads, homes and businesses affected.
16 ft
Most homes adjacent to the creek are affected to some degree. Numerous evacuations are necessary.
14 ft
A number of homes along the creek are affected. Some evacuations are necessary.
12 ft
A number of secondary roads are closed, resulting in some evacuations. A few homes are flooded.
10 ft
High water isolates several houses.
9 ft
Several driveways and other minor roadways are affected. Water begins to enter some basements.
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 |
|---|---|---|
| May 31, 1889 | 25.6 ft | 88,000 cfs |
| Sep 8, 2011 | 24.6 ft | 78,900 cfs |
| Jun 22, 1972 | 23.72 ft | 66,700 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
Get Flood Alerts for Swatara Creek
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 Swatara Creek at Harper Tavern?
The Swatara Creek at Harper Tavern gauge is maintained by USGS (site 01573000) 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 Swatara Creek at Harper Tavern?
The NWS-defined flood stage for Swatara Creek at Harper Tavern is 9 feet. Action stage begins at 7 feet. Moderate flooding starts at 12 feet, and major flooding at 15 feet.
How do I get alerts when Swatara Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Swatara Creek at Harper Tavern 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 Swatara Creek at Harper Tavern gauge located?
The gauge is located in Lebanon County, Pennsylvania at coordinates 40.4025°N, 76.5775°W. USGS site number: 01573000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Swatara Creek
On This River
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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.