| Classes of map obtained from Landsat image (scale 1:100,000) | INEGI map classes (scale 1:250,000) | Symbols | Description of classes in SWAT | Changesa |
| Secondary vegetation | Secondary pine oak shrub/pine oak vegetation | FRSD | Deciduous forest | CHTMX: 40 m |
| Maize agriculture | Maize agriculture | AGRR | Maize | - |
| Oak/cloud forest/mixed forests | Cloud forest/secondary pine-oak vegetation | FRST | Mixed forest | CHTMX: 40 m BLAI: 6.3 m2·m−2 |
| Evergreen/pine forests | Secondary pine vegetation/pine/secondary high evergreen forest | FRSE | Evergreen forest | CHTMX: 40 m |
| Grassland | Grassland | PAST | Pasture | - |
| Bare soil | - | BARR | Bare soil | - |
| Road | - | URBN | Urban | - |
| Human settlement | - | URLD | Low density residential | - |
| Bodies of water | - | WATR | Water | - |