Washington · River

Walla Walla River (46.03, -118.48)

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

6 species with advisories · contaminants: Mercury

What's safe to eat from Walla Walla River

Bridgelip Sucker

SizeWhoGuidance
All sizes General population Safe to eat as part of a regular diet.

Source: official advisory· updated 2026-11-06

Channel Catfish

SizeWhoGuidance
All sizes General population Safe to eat as part of a regular diet.

Source: official advisory· updated 2026-11-06

Common Carp

SizeWhoGuidance
All sizes General population Safe to eat as part of a regular diet.

Source: official advisory· updated 2026-11-06

Largemouth Bass

Mercury

SizeWhoGuidance
All sizes Women and children For women and children: limit to two meals per month due to elevated Mercury.

Source: official advisory· updated 2026-11-06

Northern Pikeminnow

Mercury

SizeWhoGuidance
All sizes Women and children For women and children: do not eat due to elevated Mercury.

Source: official advisory· updated 2026-11-06

Smallmouth Bass

Mercury

SizeWhoGuidance
All sizes Women and children For women and children: limit to two meals per month due to elevated Mercury.

Source: official advisory· updated 2026-11-06

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
River
Location
46.0337, -118.4787
Advisory source
Washington State Dept. of Health — Fish Consumption Advisories