Allegheny River at Sharpsburg Lock and Dam
Critical Stages
16.3' - Action
21' - Flood
22' - Moderate
23' - Major
Latest Observation
Updated: 9:30 PM EST 12/15/25
Status: No Flooding
Stage: 10.53 ft
Flow: 6.44 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 AM 12/16 | 10.6 | 7 |
| 7 AM 12/16 | 10.6 | 7 |
| 1 PM 12/16 | 10.6 | 7 |
| 7 PM 12/16 | 10.6 | 7 |
| 1 AM 12/17 | 10.6 | 7 |
| 7 AM 12/17 | 10.6 | 7 |
| 1 PM 12/17 | 10.6 | 7 |
| 7 PM 12/17 | 10.6 | 7 |
| 1 AM 12/18 | 10.6 | 7 |
| 7 AM 12/18 | 10.6 | 7 |
| 1 PM 12/18 | 10.6 | 7 |
| 7 PM 12/18 | 10.6 | 7 |
| 1 AM 12/19 | 10.6 | 7 |
| 7 AM 12/19 | 10.6 | 7 |
| 1 PM 12/19 | 10.6 | 7 |
| 7 PM 12/19 | 10.6 | 7 |
| 1 AM 12/20 | 10.7 | 7.72 |
| 7 AM 12/20 | 10.7 | 7.72 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:30 PM 12/15 | 10.53 | 6.44 |
| 9:15 PM 12/15 | 10.52 | 6.36 |
| 8:45 PM 12/15 | 10.5 | 6.21 |
| 8:30 PM 12/15 | 10.5 | 6.21 |
| 8:15 PM 12/15 | 10.52 | 6.36 |
| 8:00 PM 12/15 | 10.49 | 6.13 |
| 7:45 PM 12/15 | 10.51 | 6.28 |
| 7:30 PM 12/15 | 10.49 | 6.13 |
| 7:00 PM 12/15 | 10.5 | 6.21 |
| 5:30 PM 12/15 | 10.52 | 6.36 |
| 5:15 PM 12/15 | 10.48 | 6.06 |
| 5:00 PM 12/15 | 10.49 | 6.13 |
| 4:45 PM 12/15 | 10.48 | 6.06 |
| 4:30 PM 12/15 | 10.48 | 6.06 |
| 4:00 PM 12/15 | 10.44 | 5.77 |
| 3:45 PM 12/15 | 10.46 | 5.92 |
| 3:30 PM 12/15 | 10.45 | 5.85 |
| 3:00 PM 12/15 | 10.48 | 6.06 |
| 2:45 PM 12/15 | 10.5 | 6.21 |
| 2:30 PM 12/15 | 10.53 | 6.44 |
| 2:15 PM 12/15 | 10.53 | 6.44 |
| 1:30 PM 12/15 | 10.49 | 6.13 |
| 1:00 PM 12/15 | 10.5 | 6.21 |
| 12:30 PM 12/15 | 10.49 | 6.13 |
| 12:15 PM 12/15 | 10.5 | 6.21 |
| 12:00 PM 12/15 | 10.49 | 6.13 |
| 11:45 AM 12/15 | 10.48 | 6.06 |
| 11:30 AM 12/15 | 10.5 | 6.21 |
| 11:00 AM 12/15 | 10.51 | 6.28 |
| 10:45 AM 12/15 | 10.51 | 6.28 |
23.1' -
13th Street floods in Sharpsburg.
21.7' -
Trumbull Construction Co on 51st Street floods.
21.3' -
Flooding begins near the M & M Gas Station on North Main Street in Sharpsburg.
21' -
Lock wall overtopped.
19' -
Navigation suspended, lock out of service.
| Date | Stage (ft) |
|---|---|
| Jun 24, 1972 | 26.9 |
| Jan 20, 1996 | 22.9 |
| Sep 18, 2004 | 22.1 |
| Mar 16, 2007 | 18.5 |
| Mar 24, 2007 | 16.2 |
Data provided by the National Weather Service.