Livewell

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

Reservoirs 25

Rivers 28

Montana statewide fishing limits

Statewide defaults — specific waters and zones may differ. Verify the current rules before keeping a fish.

SpeciesSizeDaily limitOpen seasonKeep 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

Where this comes from

Advisories
Montana FWP/DPHHS/DEQ — Sport Fish Consumption Guidelines
Regulations
Montana — Montana FWP standard-district default
All sources
Every state's official source