Major Flood
18 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
15 ft
Minor Flood
11 ft
Action Stage
10 ft
What Floods at Each Level
23.29 ft
Flood of Record. Level of flooding associated with the remnants of Tropical Storm Lee on September 9 2011.
20 ft
Widespread flooding of structures...including the trailer park at Harborton Place and Caravan Court.
18 ft
Widespread flooding occurs. Numerous homes are affected by high water. Route 230 is affected. Flooding begins in the vicinity of Hoffer Park.
15 ft
Flooding begins in the vicinity of Few Avenue and near the community swimming pool.
12 ft
Both banks overflow upstream of the Vine Street Bridge and several basements are affected.
11 ft
Minor overbank flooding begins near the Vine Street Bridge downstream to the Susquehanna River.
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 9, 2011 | 23.29 ft | — |
| Mar 12, 2011 | 16.36 ft | — |
| Jul 26, 2018 | 16.19 ft | — |
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 Middletown?
The Swatara Creek at Middletown gauge is maintained by USGS (site 01573600) 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 Middletown?
The NWS-defined flood stage for Swatara Creek at Middletown is 11 feet. Action stage begins at 10 feet. Moderate flooding starts at 15 feet, and major flooding at 18 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 Middletown 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 Middletown gauge located?
The gauge is located in Dauphin County, Pennsylvania at coordinates 40.1925°N, 76.7283°W. USGS site number: 01573600. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Swatara Creek
On This River
Upstream: Swatara Creek near Hershey
More Resources
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.