Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Autauga County | 3 | 3 |
| Baldwin County | 11 | 87 |
| Barbour County | 3 | 5 |
| Bibb County | 1 | 6 |
| Blount County | 1 | 2 |
| Bullock County | 1 | 1 |
| Calhoun County | 1 | 1 |
| Cherokee County | 4 | 4 |
| Choctaw County | 1 | 1 |
| Clarke County | 8 | 17 |
| Colbert County | 4 | 13 |
| Covington County | 1 | 2 |
| Dallas County | 1 | 1 |
| DeKalb County | 1 | 2 |
| Elmore County | 4 | 18 |
| Etowah County | 1 | 2 |
| Franklin County | 12 | 24 |
| Greene County | 2 | 9 |
| Hale County | 3 | 6 |
| Henry County | 2 | 2 |
| Houston County | 1 | 1 |
| Jackson County | 8 | 127 |
| Jefferson County | 8 | 22 |
| Lamar County | 1 | 2 |
| Lauderdale County | 5 | 51 |