Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
289396
| MT | Hill | Bailey Reservoir | 2005 |
10050006
| Sage | established |
36608
| MT | Hill | Fresno Reservoir | 1971 |
10050002
| Upper Milk | established |
289343
| MT | Phillips | Cole Pond NE | 2010 |
10050011
| Whitewater | established |
36435
| MT | Phillips | Milk River at Nelson Lake | 1990 |
10050014
| Beaver | established |
289355
| MT | Valley | Larb Creek | 2001 |
10050014
| Beaver | established |
290519
| MT | Valley | Milk River(River Miles: 10 to 40)[Calculated using NHD+ v2.0 GIS dataset] | 1998 |
10050012
| Lower Milk | established |
290521
| MT | Valley | Milk River(River Miles: 117 to 274)[Calculated using NHD+ v2.0 GIS dataset] | 2000 |
10050012
| Lower Milk | established |
290522
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 1999 |
10050012
| Lower Milk | established |
290523
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 1999 |
10050012
| Lower Milk | established |
290520
| MT | Valley | Milk River(River Miles: 40 to 90)[Calculated using NHD+ v2.0 GIS dataset] | 1998 |
10050012
| Lower Milk | established |
290524
| MT | Valley | Milk River(River Miles: 90 to 120.6)[Calculated using NHD+ v2.0 GIS dataset] | 2005 |
10050012
| Lower Milk | established |