| Suitable for CD - Poorly drained and slope <1% |
| Potentially Suitable 1 - Somewhat poorly drained and slope <1%, potentially limited by drainage class |
| Potentially Suitable 2 - Poorly drained and slope >1%, potentially limited by slope |
| Potentially Suitable 3 - Somewhat poorly drained and slope >1%, potentially limited by drainage class and/or slope |
| Not Suitable for CD - Not poorly drained and/or slope >2%, limited by drainage class and/or slope |