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 199 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 | 199 | 103 | 92 |
| 2 | Cumberland County | 182 | 65 | 33 |
| 3 | Aroostook County | 166 | 96 | 65 |
| 4 | Somerset County | 161 | 123 | 35 |
| 5 | York County | 129 | 27 | 19 |
| 6 | Franklin County | 114 | 58 | 52 |
| 7 | Kennebec County | 111 | 96 | 14 |
| 8 | Piscataquis County | 107 | 66 | 36 |
| 9 | Penobscot County | 103 | 74 | 22 |
| 10 | Androscoggin County | 81 | 52 | 27 |
| 11 | Waldo County | 80 | 52 | 5 |
| 12 | Washington County | 77 | 33 | 15 |
| 13 | Hancock County | 72 | 23 | 17 |
| 14 | Knox County | 59 | 31 | 8 |
| 15 | Lincoln County | 45 | 20 | 5 |
| 16 | Sagadahoc County | 41 | 9 | 6 |
Source: NOAA Storm Events Database (1996–2025).
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