| Floodway |
| A - General floodplain area. Not detailed study area. |
| AE - 1% Annual Chance Flood Hazard (Previously 100 year floodfringe) |
| AH - Flood depths of 1 to 3 feet (usually areas of ponding); Base Flood Elevations determined. |
| 0.2% Annual Chance Flood Hazard (Previously 500 year floodplain). |
| X - Areas determined to be outside the 0.2% annual chance floodplain. |
