Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Beaver County | 10 | 96 |
| Box Elder County | 24 | 270 |
| Carbon County | 70 | 104 |
| Daggett County | 56 | 179 |
| Davis County | 2 | 50 |
| Duchesne County | 29 | 64 |
| Emery County | 63 | 189 |
| Garfield County | 93 | 195 |
| Grand County | 40 | 135 |
| Iron County | 19 | 84 |
| Juab County | 11 | 56 |
| Kane County | 123 | 333 |
| Millard County | 17 | 76 |
| Piute County | 2 | 3 |
| Rich County | 3 | 3 |
| Salt Lake County | 8 | 67 |
| San Juan County | 181 | 584 |
| Sanpete County | 3 | 12 |
| Sevier County | 54 | 371 |
| Tooele County | 28 | 203 |
| Uintah County | 70 | 190 |
| Utah County | 26 | 118 |
| Wasatch County | 1 | 1 |
| Washington County | 155 | 533 |
| Wayne County | 74 | 201 |