Fish consumption advisories
Montana
Montana publishes advisories for 84 waters, covering 752 species-and-size recommendations.
Contaminants of concern: Arsenic, Dioxins, Mercury, PCBs, PFAS
Waters with advisories in Montana
84 waters on file. A water not listed here has no advisory in the state's data — which usually means it has never been sampled, not that it's been cleared.
Lakes 31
- Ackley Lake
- Bowman Lake
- Castlerock Lake
- Chrome Lake
- Clear Lake
- Cliff Lake
- Crystal Lake
- Dailey Lake
- Ennis Lake
- Flathead Lake
- Georgetown Lake
- Harrison Lake
- Island Lake
- Lake Frances
- Lake Helena
- Lake Koocanusa
- Lake Mary Ronan
- Lake McDonald
- Leigh Lake
- Lower Stillwater Lake
- McGregor Lake
- Mountain View Lake
- Mystic Lake
- Ramsey
- Rocker
- Seeley Lake
- Spring Meadow Lake
- Swan Lake
- Upper Cold Lake
- Upper Two Medicine Lake
- Whitefish Lake
Reservoirs 25
- Bair Reservoir
- Basin Creek Reservoir
- Bighorn Reservoir
- Bynum Reservoir
- Cabinet Gorge Reservoir
- Canyon Ferry Reservoir
- Clark Canyon Reservoir
- Cooney Reservoir
- East Fork Reservoir
- Fort Peck Reservoir
- Frenchman Reservoir
- Fresno Reservoir
- Hauser Reservoir
- Hebgen Reservoir
- Holter Reservoir
- Hyalite Reservoir
- Krieder Reservoir
- Lower Willow Creek Reservoir
- Martinsdale Reservoir
- Nelson Reservoir
- Noxon Rapids Reservoir
- Pishkun Reservoir
- Thompson Falls Reservoir
- Tongue River Reservoir
- Willow Creek Reservoir
Rivers 28
- Alder Gulch
- Basin Creek
- Big Spring Creek
- Bitterroot River
- Blackfoot River
- Blacktail Creek
- Boulder Creek
- Boulder River
- Carpenter Creek
- Cataract Creek
- Clark Fork River
- Dry Fork Belt Creek
- East Gallatin River
- Flint Creek
- Fred Burr Creek
- Judith River
- Kootenai River
- Lower Willow Creek
- Madison River
- Missouri River
- Rock Creek
- Silver Bow Creek
- Silver Creek
- South Fork Lower Willow Creek
- Sun River
- Tenmile Creek
- West Fork Madison River
- Yellowstone River
Montana statewide fishing limits
Statewide defaults — specific waters and zones may differ. Verify the current rules before keeping a fish.
| Species | Size | Daily limit | Open season | Keep season |
|---|---|---|---|---|
| Rainbow Trout | — | 5 | Year-round | Same as open |
| Brown Trout | — | 5 | Year-round | Same as open |
| Cutthroat Trout | — | 3 | Year-round | Same as open |
| Bull Trout | — | 0 | Year-round | Same as open |
| Brook Trout | — | 10 | Year-round | Same as open |
| Arctic Grayling | — | 0 | Year-round | Same as open |
| Mountain Whitefish | — | 20 | Year-round | Same as open |
| Walleye | — | 5 | Year-round | Same as open |
| Sauger | — | 5 | Year-round | Same as open |
| Northern Pike | — | 10 | Year-round | Same as open |
| Smallmouth Bass | — | 5 | Year-round | Same as open |
| Largemouth Bass | — | 5 | Year-round | Same as open |
| Lake Trout | — | 3 | Year-round | Same as open |
| Kokanee | — | 10 | Year-round | Same as open |
| Black Crappie | — | 15 | Year-round | Same as open |
| White Crappie | — | 15 | Year-round | Same as open |
| Yellow Perch | — | — | Year-round | Same as open |
| Bluegill | — | — | Year-round | Same as open |
| Burbot | — | 2 | Year-round | Same as open |
Official rules: Montana — Montana FWP standard-district default