Major Flood
10 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
8 ft
Minor Flood
5 ft
Action Stage
4 ft
What Floods at Each Level
7 ft
Significant flooding occurs on both Millcreek Road and Macungie Road in Lower Macungie Township. The roads are impassable with several feet of moving water.
5.5 ft
Millcreek Road at Hauser Road, Wild Cherry Lane, and Macungie Road in Lower Macungie Township begin to flood.
5 ft
Spring Creek Road in Lower Macungie Township begins to flood between Millcreek Road and Millcreek Road. Spring Creek Road in Lower Macungie begins to flood between Heather Road and Laurel Lane. Creamery Road and Mill Race Road in Macungie Township also flood. Road closures and detours are put in place.
4 ft
Water begins to overflow the lowest banks of the Little Lehigh and into designated open field and floodplain. Portions of the Millbrook Farms Recreation Area, the Danfield Run Passive Recreation Area, and the Winding Brook Manor Recreational Area begin to flood.
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 |
|---|---|---|
| Aug 3, 2020 | 12.76 ft | — |
| Jun 21, 1972 | 11.8 ft | 11,800 cfs |
| Oct 8, 2005 | 10.93 ft | 10,300 cfs |
About This Gauge
USGS Site
NWS LID
ALLP1
River
Little Lehigh Creek
County
Lehigh, PA
Coordinates
40.5822°N, 75.4833°W
Get Flood Alerts for Little Lehigh 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 Little Lehigh Creek near Allentown?
The Little Lehigh Creek near Allentown gauge is maintained by USGS (site 01451500) 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 Little Lehigh Creek near Allentown?
The NWS-defined flood stage for Little Lehigh Creek near Allentown is 5 feet. Action stage begins at 4 feet. Moderate flooding starts at 8 feet, and major flooding at 10 feet.
How do I get alerts when Little Lehigh Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Little Lehigh Creek near Allentown 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 Little Lehigh Creek near Allentown gauge located?
The gauge is located in Lehigh County, Pennsylvania at coordinates 40.5822°N, 75.4833°W. USGS site number: 01451500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Little Lehigh Creek
On This River
Downstream: Little Lehigh Creek at Allentown
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey