| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
285725
| CA | Orange | C-4 canal at San Diego Freeway | 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 |
|
564622
| 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 |
|
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 |