LivewellNew York · Nassau County · Lake
Upper Yaphank Lake
Is the fish you caught here safe to eat? Below is every consumption advisory on file for Upper Yaphank Lake, 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 lakes across the state — 66 recommendations covering 21 species — in addition to anything listed for Upper Yaphank Lake below.
Strictest statewide rule: Chain Pickerel — For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat.
What's safe to eat from Upper Yaphank Lake
Sunfish
| Size | Who | Guidance |
|---|---|---|
| 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: 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.
| Species | Size | Daily limit | Open season | Keep 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
- Marina marina 2.1 mi Directions
- A C Marine Services marina 2.2 mi Directions
- Baldwin Harbor Yacht Club marina 2.2 mi Directions
- Boat ramp boat ramp 2.2 mi Directions
- Marina marina 2.3 mi Directions
- Midway Marina marina 2.3 mi Directions
Access points from OpenStreetMap contributors.