The Well Data tab stores data about the water well, such as size (diameter/depth), type, elevations, drilling date, and pump settings.  Several fields in this tab store date unique to water wells.  These fields are described below:
| Field Name | Definition | 
| Drawdown Elev | Elevation of the water in the well while being pumped. | 
| Static Water Elev | Elevation of the water in the well when no pumping is occurring. | 
| Well Depth | The well depth from ground to bottom depth. | 
| Pump On Pump Off | The water level in the well at which the pump turns on/off. |