Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Alameda County | 37 | 466 |
| Alpine County | 7 | 12 |
| Amador County | 5 | 13 |
| Butte County | 15 | 76 |
| Calaveras County | 29 | 103 |
| Colusa County | 9 | 20 |
| Contra Costa County | 61 | 354 |
| Del Norte County | 15 | 66 |
| El Dorado County | 10 | 15 |
| Fresno County | 24 | 63 |
| Glenn County | 12 | 28 |
| Humboldt County | 24 | 105 |
| Imperial County | 37 | 160 |
| Inyo County | 111 | 291 |
| Kern County | 79 | 300 |
| Kings County | 5 | 26 |
| Lake County | 23 | 60 |
| Lassen County | 30 | 106 |
| Los Angeles County | 188 | 1225 |
| Madera County | 21 | 52 |
| Marin County | 53 | 268 |
| Mariposa County | 40 | 104 |
| Mendocino County | 35 | 75 |
| Merced County | 9 | 18 |
| Modoc County | 26 | 39 |
Sites
| Site Identifier | Name | Location | Samples |
|---|---|---|---|
| CA-SBI-63 | CA | 1 | |
| CA-SBI-9 | CA | 3 | |
| CA-SMI-1 | CA | 4 | |
| CA-SMI-131/133 | CA | 1 | |
| CA-SMI-149 | CA | 1 | |
| CA-SMI-150 | CA | 1 | |
| CA-SMI-152 | CA | 2 | |
| CA-SMI-153 | CA | 1 | |
| CA-SMI-156 | CA | 1 | |
| CA-SMI-159 | CA | 1 | |
| CA-SMI-161 | CA | 3 | |
| CA-SMI-162 | CA | 1 | |
| CA-SMI-163 | Tuquan | CA | 14 |
| CA-SMI-169 | Fish Ridge | CA | 18 |
| CA-SMI-171 | CA | 1 | |
| CA-SMI-172 | CA | 2 | |
| CA-SMI-174 | CA | 1 | |
| CA-SMI-177 | CA | 1 | |
| CA-SMI-178 | CA | 1 | |
| CA-SMI-180 | CA | 1 | |
| CA-SMI-181 | CA | 1 | |
| CA-SMI-188 | CA | 1 | |
| CA-SMI-190 | CA | 1 | |
| CA-SMI-192 | CA | 1 | |
| CA-SMI-212 | CA | 2 |