Pennsylvania has 14 navigation dams. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Montgomery Locks and Dam | Beaver | 62 | Significant | Not assessed | 1936 |
| 2 | Allegheny River Lock and Dam 8 | Armstrong | 60 | Low | Not assessed | 1931 |
| 3 | Allegheny River Lock and Dam 2 | Allegheny | 58 | Significant | Not assessed | 1934 |
| 4 | Maxwell Locks and Dam | Washington | 56 | Significant | Not assessed | 1964 |
| 5 | Allegheny River Lock and Dam 9 | Armstrong | 55 | Low | Not assessed | 1938 |
| 6 | Point Marion Lock and Dam | Greene | 52 | Significant | Not assessed | 1959 |
| 7 | Dashields Locks and Dam | Allegheny | 44 | Significant | Not assessed | 1929 |
| 8 | John P. Murtha Locks and Dam | Westmoreland | 40 | Significant | Not assessed | 1967 |
| 9 | C.w. Bill Young Lock and Dam | Allegheny | 36 | Significant | Not assessed | 1934 |
| 10 | Braddock Locks and Dam | Allegheny | 33 | Significant | Not assessed | 1905 |
| 11 | Grays Landing Lock and Dam | Greene | 33 | Significant | Not assessed | 1995 |
| 12 | Allegheny River Lock and Dam 7 | Armstrong | 32 | Low | Not assessed | 1931 |
| 13 | Emsworth Locks and Dams | Allegheny | 25 | Significant | Not assessed | 1938 |
| 14 | Allegheny River Lock and Dam 6 | Armstrong | 21 | Low | Not assessed | 1928 |