Observation history unavailable for thie location.
Flood Impacts
18.7
Corp. of Engineers 100 yr Flood
13.5
Houses on left bank in Graterford flooded
13.0
Sewage treatment plant in Swenksville flooded
12.0
Penitentiary bridge is closed. Flooding begins in Collegville. Houses on the right bank in Graterford take on water
10.0
The first evacuations begin in Swenksville upstream of the gage
9.0
Flash Flood Alarm sounds at the County EOC
8.0
Park Avenue in Swencksville is flooded
Historical Crests
Low Water Records
1) 18.26 ft on 07/09/1935
2) 17.08 ft on 06/22/1972
3) 16.65 ft on 08/23/1933
4) 16.59 ft on 09/16/1999
5) 16.45 ft on 01/19/1996
6) 16.20 ft on 06/02/1946
7) 15.67 ft on 10/19/1996
8) 15.06 ft on 07/07/1984
9) 14.92 ft on 10/08/2005
10) 14.80 ft on 01/24/1979