Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Johnson County | 3 | 14 |
| Kosciusko County | 1 | 2 |
| Lake County | 7 | 13 |
| LaPorte County | 2 | 1 |
| Lawrence County | 2 | 8 |
| Madison County | 2 | 16 |
| Marion County | 4 | 9 |
| Marshall County | 1 | 1 |
| Miami County | 2 | 9 |
| Monroe County | 5 | 5 |
| Montgomery County | 1 | 10 |
| Morgan County | 2 | 6 |
| Newton County | 0 | 0 |
| Noble County | 4 | 11 |
| Orange County | 0 | 0 |
| Owen County | 1 | 3 |
| Parke County | 2 | 5 |
| Perry County | 3 | 17 |
| Porter County | 5 | 16 |
| Posey County | 14 | 70 |
| Randolph County | 3 | 7 |
| Rush County | 2 | 4 |
| Shelby County | 2 | 4 |
| Spencer County | 5 | 16 |
| Starke County | 2 | 14 |