« Back to Penn Rivers

Allegheny River at Clinton Lock and Dam

Critical Stages
17' - Action
21' - Flood
22' - Moderate
24' - Major

Latest Observation

Updated: 9:00 AM EST 12/10/25

Status: No Flooding

Stage: 9.7 ft

Flow: 4.99 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
1 PM 12/10 9.7 4.99
7 PM 12/10 9.7 4.99
1 AM 12/11 9.7 4.99
7 AM 12/11 9.7 4.99
1 PM 12/11 9.7 4.99
7 PM 12/11 9.8 7.97
1 AM 12/12 9.8 7.97
7 AM 12/12 9.9 8.84
1 PM 12/12 9.9 8.84
7 PM 12/12 9.9 8.84
1 AM 12/13 9.9 8.84
7 AM 12/13 9.9 8.84
1 PM 12/13 9.9 8.84
7 PM 12/13 9.9 8.84
1 AM 12/14 9.9 8.84
7 AM 12/14 9.8 7.97
TimeStage (ft)Flow (kcfs)
9:00 AM 12/10 9.7 4.99
8:45 AM 12/10 9.67 3.78
8:30 AM 12/10 9.67 3.78
8:15 AM 12/10 9.65 3.15
8:00 AM 12/10 9.65 3.15
7:45 AM 12/10 9.71 5.23
7:30 AM 12/10 9.71 5.23
7:15 AM 12/10 9.7 4.99
7:00 AM 12/10 9.73 5.74
6:45 AM 12/10 9.73 5.74
6:30 AM 12/10 9.74 6.02
6:15 AM 12/10 9.73 5.74
6:00 AM 12/10 9.73 5.74
5:45 AM 12/10 9.73 5.74
5:30 AM 12/10 9.73 5.74
5:15 AM 12/10 9.74 6.02
5:00 AM 12/10 9.74 6.02
4:45 AM 12/10 9.74 6.02
4:30 AM 12/10 9.74 6.02
4:15 AM 12/10 9.74 6.02
4:00 AM 12/10 9.75 6.31
3:45 AM 12/10 9.76 6.61
3:30 AM 12/10 9.75 6.31
3:15 AM 12/10 9.76 6.61
3:00 AM 12/10 9.76 6.61
2:45 AM 12/10 9.77 6.93
2:30 AM 12/10 9.77 6.93
2:15 AM 12/10 9.77 6.93
2:00 AM 12/10 9.78 7.26
1:45 AM 12/10 9.79 7.6
Hydrograph for Allegheny River at Clinton Lock and Dam
26.4' - Water reaches the bottom of the first floor window of the powerhouse at Lock 6.
23' - Top of rail of the Pennsylvania Railroad across the river from the lock floods.
19' - Lock walls overtopped.
17' - Navigation suspended, lock out of service.
DateStage (ft)
Mar 18, 1936 26.4
Jun 23, 1972 22
Sep 18, 2004 20.3
Mar 16, 2007 19.8
Dec 31, 1990 19.2
Feb 8, 2019 17.9
Mar 23, 2007 16.2

Data provided by the National Weather Service.