Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
116512
| AR | Chicot | Mississippi River (R.M. 537) on a rock revetment on west side of river across from mouth of Lake Ferguson (Greenville, MS) | 1992 |
08030100
| Lower Mississippi-Greenville | established |
116446
| AR | Chicot | Mississippi River at R.M. 537 below rock dike across from mouth of Lake Ferguson | 1992 |
08030100
| Lower Mississippi-Greenville | established |
116684
| AR | Pulaski | Arkansas River, at Maumelle Park boat landing in Little Rock, Ark. | 1992 |
11110207
| Lower Arkansas-Maumelle | established |
116486
| AR | Yell | Arkansas River, at Arkansas One Nuclear Power Plant just west of Russellville, Arkansas | 1992 |
11110202
| Dardanelle Reservoir | established |