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California · Placer County · Reservoir

Hell Hole Reservoir

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

5 species with advisories · contaminants: Mercury

California also has statewide guidance

California publishes rules that apply to reservoirs across the state — 10 recommendations covering 5 species — in addition to anything listed for Hell Hole Reservoir below.

Strictest statewide rule: Bass, Striped — For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat due to elevated Mercury and PCB.

See all California statewide guidance →

What's safe to eat from Hell Hole Reservoir

Crayfish

Mercury

SizeWhoGuidance
All sizes General population Limit to two meals per week due to elevated Mercury.
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

Salmon, Kokanee

Mercury

SizeWhoGuidance
All sizes General population Limit to three meals per week due to elevated Mercury.
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

Trout, Brown 16in Or Less

Mercury

SizeWhoGuidance
All sizes General population Limit to three meals per week due to elevated Mercury.
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

Trout, Brown > 16in

Mercury

SizeWhoGuidance
All sizes General population Do not eat due to elevated Mercury.
Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Trout, Lake

Mercury

SizeWhoGuidance
All sizes General population Limit to one meal per week due to elevated Mercury.
Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Is it legal to keep?

These are California'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
Striped Bass 18" min 2 Year-round Same as open
Rainbow Trout 5 Year-round Same as open
Black Crappie 25 Year-round Same as open
Channel Catfish 10 Year-round Same as open

Official rules: California — California DFW

Getting on the water

Access points from OpenStreetMap contributors.

About this water

State
California
County
Placer
Type
Reservoir
Location
39.0803, -120.3938
Advisory source
California OEHHA — Fish Consumption Advisories