| Name | Washington County Single Tree Sites |
| RHI5 | 78.42 |
| RHI10 | (not enough data) |
| RHI20 | (not enough data) |
| RGI5 | 6.40 |
| RGI10 | (not enough data) |
| RGI20 | (not enough data) |
| Trees measured | 5 |
| Last measurement date | 01/01/2000 |
| Ownership contact | (no data) |
| General comments | Cities in Washington County are Marietta, Belpre plus the villages of Beverly, Lower Salem, Lowell, Macksburg, and Matamorus. |
| 01/01/2000 |
|
