| Well Name | C-21 |
| Description | S-482 |
| Latitude [NAD83] | 263021.268 |
| Longitude [NAD83] | 812606.274 |
| FL State Plane East [NAD83] | 513882.588 |
| FL State Plane North [NAD83] | 789812.98 |
| County | Collier |
| Land Surface Elev. [NGVD29] | 36 |
| Elevation Source | |
| Elevation Error [ft] +/- | .1 |
| Land Surface Elev. [NAVD88] | |
| Total Depth [FT BLS] | 566 |
| Completion Date | 01-JAN-1941 |
| Hole Diameter | |
| Well Owner | HUMBLE OIL |
| Driller Name | MAYS BROS |
| Drilling Method | |
| Construction Comments | |
| Construction Date | |
| Destroy Date | |
| Drilling Comments | |
| Development Method | |
| Development Hours | |
| General Comments | Automated well construction update from USGS NWIS Database on (12-10-2004) |
