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| 20260224180837 | Middletown | PA | Swatara Creek | 02/23/2026 | 2026 | Break-up | 40.191401 | -76.730453 | - | - | released | Minor flooding was reported, though the jam reportedly released around 15:30 on 2/23. | Break-up jam was reported on Swatara Creek near its confluence with the Susquehanna River at Middletown, PA. |
| 20260303165336 | Wilkes-Barre | PA | Susquehanna River | 02/21/2026 | 2026 | Break-up | 41.24875 | -75.90381 | - | - | released | River reached and held action stage at the Wilkes-Barre gage for almost 6 days, but no flooding or damage was reported. | Break-up jam formed downstream of Wilke-Barre. Hydrograph suggests release on 1 March, though jam is still in place that morning in satellite imagery. |
| 20260224193816 | Foxburg | PA | Allegheny River | 02/20/2026 | 2026 | Break-up | 41.14262 | -79.68385 | - | - | released | Minor flooding was reported in Emlenton, PA, and at several other places along the Allegheny in Venango County. | Breakup jam formed near Foxburg, PA, on the Allegheny River and is affecting stages in Emlenton and farther upstream. |
| 20260224185426 | Rimer | PA | Allegheny River | 02/20/2026 | 2026 | Break-up | 40.940706 | -79.540054 | - | - | released | Major flooding at nearby River Bend Campground; owners cite river stages in excess of 30 ft (~15 ft above normal), enough to inundate the campground and move several RVs/trailers. | Break-up jam formed below Allegheny Lock and Dam 9 (Rimer Lock and Dam). Location very approximate, pending satellite imagery. |