Based on NOAA Storm Events Database records from 1996 to 2025, these are the Maine counties with the most recorded flood events. Oxford County tops the list with 165 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.
| Rank | County | Total Events | River Floods | Flash Floods |
|---|---|---|---|---|
| 1 | Oxford County | 165 | 73 | 92 |
| 2 | Aroostook County | 128 | 63 | 65 |
| 3 | Somerset County | 114 | 79 | 35 |
| 4 | Franklin County | 90 | 38 | 52 |
| 5 | Kennebec County | 85 | 71 | 14 |
| 6 | Cumberland County | 77 | 39 | 31 |
| 7 | Piscataquis County | 70 | 34 | 36 |
| 8 | Androscoggin County | 65 | 39 | 26 |
| 9 | Penobscot County | 62 | 42 | 20 |
| 10 | Waldo County | 43 | 38 | 3 |
| 11 | York County | 41 | 15 | 18 |
| 12 | Knox County | 34 | 25 | 7 |
| 13 | Washington County | 30 | 14 | 15 |
| 14 | Hancock County | 29 | 12 | 16 |
| 15 | Lincoln County | 18 | 12 | 4 |
| 16 | Sagadahoc County | 9 | 2 | 5 |
Source: NOAA Storm Events Database (1996–2025).
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