Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1728370
| CA | Madera | [No locality description provided] | 2023 |
18040001
| Middle San Joaquin-Lower Chowchilla | |
285725
| CA | Orange | C-4 canal at San Diego Freeway | 1977 |
18070201
| Seal Beach | established |
564622
| CA | Orange | Drain along Bolsa Ave., N. side - from Springdale Ave., E. to Edwards St. | 1977 |
18070201
| Seal Beach | established |
285724
| CA | Orange | Drain along Bolsa Ave., N. side - from Springdale Ave., E. to Edwards St. | 1977 |
18070201
| Seal Beach | established |
285736
| CA | Orange | drainage ditch at NW corner of Bolsa and Goldenwest | 1963 |
18070201
| Seal Beach | established |
28088
| CA | Orange | Huntington Beach, NW corner Bolsa Ave and Edwards St. Courtenay= small pool and connecting canal along N side of Bolsa Ave at Edwards AVe at S-W cornet of New Westminster Shopping Mall, Westminister, CA | 1980 |
18070201
| Seal Beach | established |
164101
| CA | Orange | Huntington Beach, NW corner of Bolsa Avenue and Edwards Street | 1980 |
18070201
| Seal Beach | established |
28097
| CA | Orange | Orange County flood control canals | 1977 |
18070000
| Southern California Coastal | established |
29445
| CA | Orange | Orange County flood control canals | 1980 |
18070000
| Southern California Coastal | established |
279004
| CA | Orange | Westminster flood control channel | 1968 |
18070201
| Seal Beach | established |
29717
| CA | Orange | Westminster flood control channel | 1968 |
18070201
| Seal Beach | established |
28958
| CA | Orange | Westminster flood control channel | 1976 |
18070201
| Seal Beach | established |
238670
| CA | Riverside | Johnson Street Drain 200m west of SH 111 (South of Mecca) | 2005 |
18100204
| Salton Sea | unknown |
1701021
| CA | San Diego | [No locality description provided] | 2022 |
18070302
| Santa Margarita | |
1714228
| CA | Santa Clara | Guadalupe River, under 87 North bridge | 2023 |
18050003
| Coyote | |