Wetlands (0)
Hydrology (1)
Retenion or Detention Ponds (2)
FEMA Flood Hazard Areas (4)
| Floodway |
| 100-year floodplain |
| 500-year floodplain |
FEMA Flood Hazard Areas (5)
| Floodway |
| 100-year floodplain |
| 500-year floodplain |
Watershed (6)
| Des Plaines |
| Lower Fox |
| Upper Illinois |
|