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New York · Onondaga County · Reservoir

Jamesville Reservoir

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

1 species with advisories · contaminants: Mercury

New York also has statewide guidance

New York publishes rules that apply to reservoirs across the state — 66 recommendations covering 21 species — in addition to anything listed for Jamesville Reservoir below.

Strictest statewide rule: Chain Pickerel — For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat.

See all New York statewide guidance →

What's safe to eat from Jamesville Reservoir

Yellow Perch

Mercury

SizeWhoGuidance
Under 10" General population Limit to one meal per week due to elevated Mercury.
Over 10" General population Limit to one meal per month due to elevated Mercury.
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 month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Is it legal to keep?

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

SpeciesSizeDaily limitOpen seasonKeep season
Walleye 15" min 5 Year-round 05-03 – 03-15
Largemouth Bass 12" min 5 12-01 – 11-30 06-21 – 11-30
Smallmouth Bass 12" min 5 Year-round 06-21 – 11-30
Northern Pike 22" min 5 Year-round Same as open
Muskellunge 40" min 1 Year-round 05-24 – 03-15
Chain Pickerel 15" min 5 Year-round Same as open
Yellow Perch 50 Year-round Same as open
Black Crappie 25 Year-round Same as open

Official rules: New York — New York DEC

Getting on the water

Access points from OpenStreetMap contributors.

About this water

State
New York
County
Onondaga
Type
Reservoir
Location
42.9743, -76.0692
Advisory source
New York State Dept. of Health — Chemicals in Sportfish and Game