| 20241217181115 | Riverdale | IA | Duck Creek | 12/14/2024 | 2025 | Break-up | 41.53158 | -90.474005 | - | - | released | None reported. | Break-up jam after 48hr cold snap and subsequent warming on Duck Creek in Riverdale, IA. Gauge record suggests flow returned to normal hours after formation on 14 Dec. Reported by Anthony Heddelsten, USACE. Local city manager reported jam had frozen in place on 17 Dec. |