Allegheny River at C.W. Bill Young Lock and Dam
Critical Stages
15' - Action
17' - Flood
20' - Moderate
23' - Major
Latest Observation
Updated: 2:45 PM EST 12/15/25
Status: No Flooding
Stage: 10.29 ft
Flow: 7.4 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7 PM 12/15 | 10.4 | 8.3 |
| 1 AM 12/16 | 10.4 | 8.3 |
| 7 AM 12/16 | 10.4 | 8.3 |
| 1 PM 12/16 | 10.4 | 8.3 |
| 7 PM 12/16 | 10.4 | 8.3 |
| 1 AM 12/17 | 10.3 | 7.48 |
| 7 AM 12/17 | 10.3 | 7.48 |
| 1 PM 12/17 | 10.3 | 7.48 |
| 7 PM 12/17 | 10.3 | 7.48 |
| 1 AM 12/18 | 10.3 | 7.48 |
| 7 AM 12/18 | 10.3 | 7.48 |
| 1 PM 12/18 | 10.3 | 7.48 |
| 7 PM 12/18 | 10.3 | 7.48 |
| 1 AM 12/19 | 10.3 | 7.48 |
| 7 AM 12/19 | 10.3 | 7.48 |
| 1 PM 12/19 | 10.4 | 8.3 |
| 7 PM 12/19 | 10.4 | 8.3 |
| 1 AM 12/20 | 10.4 | 8.3 |
| 7 AM 12/20 | 10.4 | 8.3 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 3:45 PM 12/15 | 10.29 | 7.4 |
| 3:30 PM 12/15 | 10.29 | 7.4 |
| 3:15 PM 12/15 | 10.27 | 7.24 |
| 3:00 PM 12/15 | 10.27 | 7.24 |
| 2:45 PM 12/15 | 10.29 | 7.4 |
| 2:30 PM 12/15 | 10.29 | 7.4 |
| 2:15 PM 12/15 | 10.29 | 7.4 |
| 2:00 PM 12/15 | 10.28 | 7.32 |
| 1:45 PM 12/15 | 10.29 | 7.4 |
| 1:30 PM 12/15 | 10.33 | 7.72 |
| 1:15 PM 12/15 | 10.31 | 7.56 |
| 1:00 PM 12/15 | 10.32 | 7.64 |
| 12:45 PM 12/15 | 10.32 | 7.64 |
| 12:30 PM 12/15 | 10.33 | 7.72 |
| 12:15 PM 12/15 | 10.33 | 7.72 |
| 12:00 PM 12/15 | 10.33 | 7.72 |
| 11:45 AM 12/15 | 10.33 | 7.72 |
| 11:30 AM 12/15 | 10.39 | 8.22 |
| 11:15 AM 12/15 | 10.35 | 7.88 |
| 11:00 AM 12/15 | 10.35 | 7.88 |
| 10:45 AM 12/15 | 10.34 | 7.8 |
| 10:30 AM 12/15 | 10.36 | 7.96 |
| 10:15 AM 12/15 | 10.35 | 7.88 |
| 10:00 AM 12/15 | 10.35 | 7.88 |
| 9:45 AM 12/15 | 10.35 | 7.88 |
| 9:30 AM 12/15 | 10.35 | 7.88 |
| 9:15 AM 12/15 | 10.35 | 7.88 |
| 9:00 AM 12/15 | 10.34 | 7.8 |
| 8:45 AM 12/15 | 10.34 | 7.8 |
| 8:30 AM 12/15 | 10.35 | 7.88 |
22.7' -
State Route 366 is flooded.
20' -
Lock walls overtopped.
19' -
Lock 3 ceases operations for navigation.
18' -
Navigation suspended, lock out of service.
17.7' -
Basement flooding begins in New Kensington.
| Date | Stage (ft) |
|---|---|
| Mar 18, 1936 | 31.1 |
| Dec 30, 1942 | 23.3 |
| Mar 10, 1964 | 21.4 |
| Jan 22, 1959 | 21.1 |
| Jun 23, 1972 | 20.9 |
| Sep 18, 2004 | 19.8 |
| Jan 2, 1979 | 19.2 |
| Jan 20, 1996 | 19.1 |
| Mar 6, 1964 | 18.6 |
| Apr 9, 1987 | 18.4 |
| Mar 16, 2007 | 17.9 |
| Feb 17, 1976 | 17.8 |
| Apr 13, 2024 | 17.45 |
| Dec 31, 1990 | 17.4 |
| Mar 7, 2011 | 17.19 |
| Feb 19, 2022 | 17.07 |
| Sep 10, 2004 | 17 |
| Jan 7, 2005 | 17 |
| Jan 15, 2005 | 16.5 |
| Feb 9, 2019 | 16.2 |
Data provided by the National Weather Service.
