Sites
| Site Identifier | Name | Location | Samples |
|---|---|---|---|
| CA-NAP-14 | Napa River Trail | Napa County | 1 |
| CA-NAP-15 | Napa County | 12 | |
| CA-NAP-172 | Napa County | 2 | |
| CA-NAP-189 | NAP-189/H | Napa County | 0 |
| CA-NAP-189/H | Huichica Creek | Napa County | 56 |
| CA-NAP-257 | Napa County | 11 | |
| CA-NAP-261 | River Glen | Napa County | 2 |
| CA-NAP-399 | St. Helena | Napa County | 32 |
| CA-NAP-748 | NAP-748/H, Calistoga | Napa County | 0 |
| CA-NAP-748/H | Napa County | 4 | |
| CA-NAP-795 | Napa County | 1 | |
| CA-NAP-916 | Napa Creek | Napa County | 4 |
| CA-NAP-943 | NAP-943/H, Calistoga | Napa County | 0 |
| CA-NAP-943/H | Napa County | 2 |