| Factor (and suggested score) | Score assigned |
|---|---|
| Flood prevention | |
| Drainage system subject to flooding (5)* | — |
| Not subject to floods (e.g., sand dunes) or floods of no consequence (1) | |
| Siltatlon | |
| Reservoirs or lakes downstream (5) | — |
| No pools downstream (1) | |
| Animal visitors | |
| Tree used by migrating or transient animals (5) | — |
| No temporary animal usage likely (1) | |
| Total: | — |
↵* Compromise situations may be scored at values between 1 and 5