Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Beaver County | 10 | 96 |
| Box Elder County | 24 | 241 |
| Carbon County | 70 | 101 |
| Daggett County | 58 | 206 |
| Davis County | 2 | 48 |
| Duchesne County | 29 | 60 |
| Emery County | 64 | 210 |
| Garfield County | 94 | 194 |
| Grand County | 40 | 131 |
| Iron County | 19 | 73 |
| Juab County | 11 | 56 |
| Kane County | 123 | 324 |
| Millard County | 17 | 58 |
| Piute County | 2 | 3 |
| Rich County | 3 | 2 |
| Salt Lake County | 8 | 40 |
| San Juan County | 181 | 399 |
| Sanpete County | 3 | 9 |
| Sevier County | 54 | 354 |
| Tooele County | 28 | 199 |
| Uintah County | 70 | 169 |
| Utah County | 26 | 111 |
| Wasatch County | 1 | 1 |
| Washington County | 155 | 514 |
| Wayne County | 74 | 199 |