RIVER GAUGE · SWATARA CREEK
Swatara Creek at Harper Tavern
Lebanon County, Pennsylvania
Water level0.32 ft
Flow106 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action7 ft
Minor flood9 ft
Moderate flood12 ft
Major flood15 ft
The past week
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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.
Highest crests on record
| Date | Level | 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 map
See which streets and areas flood at each water level here. Open the flood map ↗
More on Swatara Creek
UpstreamSwatara Creek near Inwood ↗
DownstreamSwatara Creek near Hershey
Get an alert when Swatara Creek 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.
