Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
4815
| CA | Contra Costa | Franks Tract [near confluence of San Joaquin and Sacramento Rivers] | 1998 |
18040003
| San Joaquin Delta | established |
4814
| CA | Contra Costa | water diversions and pumping facilities at the Skinner Fish Protection Facility [near Byron, CA] | 1998 |
18040003
| San Joaquin Delta | established |
4812
| CA | Merced | Merced River at the G. Hatfield State Rec. Area [N of Gustine, CA] | 1998 |
18040008
| Upper Merced | established |
4810
| CA | San Joaquin | Littlejohns Creek [just S and E of Stockton, CA] | 1998 |
18040051
| Rock Creek-French Camp Slough | established |
4811
| CA | San Joaquin | Mormon Slough [just E of Stockton] | 1998 |
18040003
| San Joaquin Delta | established |
4813
| CA | San Joaquin | water diversions and pumping facilities at the Tracy [CA] Fish Collection Facility (USBR) | 1998 |
18040003
| San Joaquin Delta | established |