Livewell

Washington · Lake

North Cascades National Park (48.88, -121.05)

Is the fish you caught here safe to eat? Below is every consumption advisory on file for North Cascades National Park, by species and size, in plain English — plus what's legal to keep.

3 species with advisories · contaminants: Mercury

What's safe to eat from North Cascades National Park

Brook Trout

Mercury

SizeWhoGuidance
All sizes Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per week due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Bull Trout

Mercury

SizeWhoGuidance
All sizes Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to two meals per month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Rainbow Trout

Mercury

SizeWhoGuidance
All sizes Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per week due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Is it legal to keep?

These are Washington's statewide limits — a water-specific rule may override them. Always verify the current regulations before keeping a fish.

SpeciesSizeDaily limitOpen seasonKeep season
Largemouth Bass 5 Year-round Same as open
Smallmouth Bass 5 Year-round Same as open
Walleye Year-round Same as open
Rainbow Trout 5 Year-round Same as open
Channel Catfish 5 Year-round Same as open

Official rules: Washington — Washington DFW

About this water

State
Washington
Type
Lake
Location
48.8753, -121.0549
Advisory source
Washington State Dept. of Health — Fish Consumption Advisories