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| Critical Stages |
| 12' -Action |
16' -Flood |
20' -Moderate Flood |
22' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 25.0 | Levees in the Bethleham area topped. Major flooding begins |
| 15.0 | The islands in the Allentown area begin to flood |
| 14.0 | Flooding begins upstream in Allentown. Backwater begins to effect
the Little Lehigh and Jordan Creeks |
| Historical Crests |
Low Water Records |
1) 25.90 ft on 05/23/1942
2) 24.90 ft on 02/28/1902
3) 23.38 ft on 08/19/1955
4) 20.02 ft on 06/23/1972
5) 19.70 ft on 09/18/2004
6) 18.70 ft on 08/24/1933
7) 18.53 ft on 07/10/1935
8) 17.74 ft on 06/28/2006
9) 17.12 ft on 01/25/1979
10) 17.04 ft on 03/12/1936
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1) 0.60 ft on 10/15/1910
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Data provided by NOAA Advanced Hydrologic Prediction Service
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