| Milk River At Malta, MT |
| Milk River At Nashua, MT |
| Milk River At Tampico, MT |
| Milk River Near Dodson, MT |
| Milk River Near Harlem, MT |
| Mill Creek Above Bassoo Creek Near Niarada, MT |
| Mill Creek At Opportunity, MT |
| Mill Creek Near Anaconda, MT |
| Mission Creek Above Reservoir Near St. Ignatius, MT |
| Missouri River At East Frazer Pump Plant Near Frazer, MT |
| Missouri River At Fort Benton, MT |
| Missouri River At Toston, MT |
| Missouri River At Virgelle, MT |
| Missouri River At West Frazer Pump Plant Near Frazer, MT |
| Missouri River Below Fort Peck Dam, MT |
| Missouri River Below Hauser Dam Near Helena, MT |
| Missouri River Below Holter Dam Near Wolf Creek, MT |
| Missouri River Near Culbertson, MT |
| Missouri River Near Great Falls, MT |
| Missouri River Near Landusky, MT |
| Missouri River Near Oswego, MT |
| Missouri River Near Ulm, MT |
| Missouri River Near Wolf Point, MT |
| Muddy Creek At Vaughn, MT |
| Musselshell River Above Big Coulee Creek At Lavina, MT |
| Musselshell River Above Mud Creek Near Shawmut, MT |
| Musselshell River At Harlowton, MT |
| Musselshell River At Mosby, MT |
| Musselshell River At Musselshell, MT |
| Musselshell River Near Martinsdale, MT |
| Musselshell River Near Roundup, MT |
| Nelson Creek Near Van Norman, MT |
| Nevada Creek Above Reservoir, Near Helmville, MT |
| North Fork Blackfoot River Above Dry Gulch Near Ovando, MT |
| North Fork Flathead River Near Columbia Falls, MT |
| North Fork Milk River Above St. Mary Canal Near Browning, MT |
| Otter Creek At Ashland, MT |
| Peoples Creek Near Hays, MT |
| Poplar River At International Boundary, MT |
| Poplar River Near Poplar, MT |
| Powder River At Moorhead, MT |
| Powder River Near Locate, MT |
| Prickly Pear Creek Near Clancy, MT |
| Prospect Creek At Thompson Falls, MT |
| Pumpkin Creek Near Miles City, MT |
| Red Lodge Creek Above Cooney Re Near Boyd, MT |
| Red Rock Creek Above Lakes Near Lakeview, MT |
| Red Rock River Below Lima Reservoir Near Monida, MT |
| Redwater River At Circle, MT |
| Redwater River Near Vida, MT |
