Flood ImpactsIf you notice any errors in the below information, please contact our Webmaster
27
FEMA 0.2% Annual Chance Flood Level (500-year flood).
26.8
Flood of record from the flooding in September, 2011. Maximum recordable gage height (stage sensor operational limit). Water levels above this stage will not be reported in real time.
20
FEMA 1% Annual Chance Flood Level (100-year flood).
18
Flood waters begin to reach the Route 39 Bridge (Hershey Road) northwest of Hershey. FEMA 2% Annual Chance Flood Level (50-year flood).
16
Numerous homes adjacent to the creek are affected by high water.
14
Numerous homes adjacent to the creek are affected by high water.
12
High water affects several homes upstream of the Route 39 bridge. FEMA 10% Annual Chance Flood Level (10-year flood).
10
A few homes adjacent to the creek upstream of the Route 39 bridge flood.
8
The right, or north bank overflows. Several roads are affected.
7
The right, or north bank begins to overflow. Several roadways upstream of the gage are affected by high water.
Flood Categories (in feet)
Major Flood Stage: |
14 |
Moderate Flood Stage: |
10 |
Flood Stage: |
7 |
Action Stage: |
6 |
Low Stage (in feet): |
0 |
Historic Crests
(1) 26.80 ft on 09/08/2011
(2) 17.08 ft on 07/26/2018
(3) 16.12 ft on 06/29/2006
(4) 15.36 ft on 09/27/1975
(5) 14.43 ft on 01/25/1979
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(P): Preliminary values subject to further review.
Recent Crests
(1) 7.82 ft on 01/11/2024
(P)
(2) 7.07 ft on 01/10/2024
(P)
(3) 7.98 ft on 12/19/2023
(P)
(4) 7.98 ft on 12/19/2023
(P)
(5) 14.01 ft on 09/03/2021
Show More Recent Crests
(P): Preliminary values subject to further review.
Low Water Records
(1) 1.20 ft on 07/14/1983
(2) 1.40 ft on 09/15/1980
(3) 1.40 ft on 08/15/1987
(4) 1.44 ft on 09/12/1977
(5) 1.44 ft on 07/17/1988