Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
50616
| AZ | Maricopa | Scottsdale | 1959 |
15060106
| Lower Salt | established |
50175
| AZ | Yuma | unnamed body of water 16km SE of Yuma | 1959 |
15030108
| Yuma Desert | established |
618882
| CA | Alameda | Delta - Tracy Fish Collection Facility | 1959 |
18040003
| San Joaquin Delta | established |
50822
| CA | San Diego | Alvarado Filtration Plant, La Mesa | 1959 |
18070304
| San Diego | established |
50990
| ID | Nez Perce | Snake River, near Idaho-Washington state line | 1959 |
17060306
| Clearwater | established |
51544
| NV | Clark | Colorado River, at Lake Mead | 1959 |
15010005
| Lake Mead | established |
51675
| OR | Multnomah | Willamette River, confluence with Columbia River | 1959 |
17090012
| Lower Willamette | established |
51945
| TN | Hardin | Tennessee River, river km 325.3 (RM 203.3) below Pickwick Dam | 1959 |
06040001
| Lower Tennessee-Beech | established |
51949
| TN | Hardin | Tennessee River, river km 328.5 (RM 205.3) below Pickwick Dam | 1959 |
06040001
| Lower Tennessee-Beech | established |
51947
| TN | Hardin | Tennessee River, river km 328.5 (RM 205.3) below Pickwick Dam | 1959 |
06040001
| Lower Tennessee-Beech | established |
51950
| TN | Hardin | Tennessee River, river km 330.1 [RM 206.3] below Pickwick Dam | 1959 |
06040001
| Lower Tennessee-Beech | established |