Fish consumption advisories

Colorado

Colorado publishes advisories for 5 waters, covering 63 species-and-size recommendations.

Contaminants of concern: Mercury, PFAS

Statewide advisory

These apply across Colorado, including waters with no specific advisory of their own.

Black Bullhead General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Black Bullhead Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Black Crappie General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Black Crappie Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Bluegill General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Bluegill Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Brook Trout General population Limit to two meals per week due to elevated Mercury. Colorado statewide mercury advisory
Brook Trout Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Brown Trout General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Brown Trout Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Channel Catfish General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Channel Catfish Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Common Carp General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Common Carp Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Cutthroat Trout General population Limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Cutthroat Trout Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Hybrid Striped Bass General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Hybrid Striped Bass Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Kokanee General population Limit to two meals per week due to elevated Mercury. Colorado statewide mercury advisory
Kokanee Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Lake Trout General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Lake Trout Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Largemouth Bass Under 15" General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Largemouth Bass Over 15" General population Limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Largemouth Bass Under 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Largemouth Bass Over 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Northern Pike Under 34" General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Northern Pike Over 34" General population Limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Northern Pike Under 34" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Northern Pike Over 34" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Rainbow Trout General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Rainbow Trout Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Smallmouth Bass Under 15" General population Limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Smallmouth Bass Over 15" General population Limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Smallmouth Bass Under 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Smallmouth Bass Over 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Splake General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Splake Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Striped Bass General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Striped Bass Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Tiger Muskie General population Limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Tiger Muskie Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
Walleye Under 15" General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Walleye Over 15" General population Limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Walleye Under 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
Walleye Over 15" Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per month due to elevated Mercury. Colorado statewide mercury advisory
White Bass General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
White Bass Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
White Crappie General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
White Crappie Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory
White Sucker General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
White Sucker Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Yellow Perch General population Limit to one meal per week due to elevated Mercury. Colorado statewide mercury advisory
Yellow Perch Women who may become pregnant, pregnant or breastfeeding women, and children For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. Colorado statewide mercury advisory

Waters with advisories in Colorado

5 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 2

Reservoirs 3

Browse Colorado by county

Every named water in the state, county by county — including the many with no advisory on file.

Colorado 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	—	4	Year-round	Same as open
Brown Trout	—	4	Year-round	Same as open
Cutthroat Trout	—	4	Year-round	Same as open
Lake Trout	—	4	Year-round	Same as open
Brook Trout	—	10	Year-round	Same as open
Kokanee	—	10	Year-round	Same as open
Walleye	—	5	Year-round	Same as open
Sauger	—	5	Year-round	Same as open
Largemouth Bass	—	5	Year-round	Same as open
Smallmouth Bass	—	5	Year-round	Same as open
White Bass	—	10	Year-round	Same as open
Striped Bass	—	10	Year-round	Same as open
Hybrid Striped Bass	—	10	Year-round	Same as open
Channel Catfish	—	10	Year-round	Same as open
Black Crappie	—	20	Year-round	Same as open
White Crappie	—	20	Year-round	Same as open
Bluegill	—	20	Year-round	Same as open
Yellow Perch	—	20	Year-round	Same as open
Tiger Muskie	36" min	1	Year-round	Same as open
Northern Pike	—	—	Year-round	Same as open

Official rules: Colorado — Colorado Parks & Wildlife

Where this comes from

Advisories: Colorado CDPHE — Fish Consumption Advisories
Regulations: Colorado — Colorado Parks & Wildlife
All sources: Every state's official source