| Clue | Source | Date |
|---|---|---|
| Blocked (a river) (6) | The Sun Mini | 12 Dec 2025 |
| (Of a waterway) impeded by an artificial barrier | The Times Concise | 25 Jan 2025 |
| Stopped from being condemned, say (6) | ||
| Blocked up | Wall Street Journal | 30 Sep 2022 |
| Blocked, as a river | New York Times | 07 Jun 2022 |
| Blocked, beaver-style | LA Times Daily | 09 Jun 2016 |
| Blocked, beaver-style | ||
| Erected a barrier, in a way | ||
| Worked like a beaver | ||
| Impeded the flow of | ||
| Built a dike | ||
| Like the Columbia River | ||
| Blocked | ||
| Blocked, as a river | ||
| Impeded | ||
| Built a weir | ||
| Held back, as water | ||
| Obstructed. | ||
| Blocked the flow. |