Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Perry County | 3 | 15 |
| Pike County | 10 | 23 |
| Powell County | 8 | 23 |
| Pulaski County | 2 | 5 |
| Rowan County | 3 | 3 |
| Russell County | 1 | 5 |
| Scott County | 4 | 13 |
| Shelby County | 2 | 3 |
| Simpson County | 1 | 2 |
| Spencer County | 4 | 10 |
| Trigg County | 2 | 6 |
| Trimble County | 1 | 2 |
| Union County | 3 | 23 |
| Warren County | 8 | 24 |
| Wayne County | 1 | 3 |
| Wolfe County | 3 | 5 |
| Woodford County | 2 | 4 |