LivewellNebraska · Gosper County · Lake
Johnson Lake
Is the fish you caught here safe to eat? Below is every consumption advisory on file for Johnson Lake, by species and size, in plain English — plus what's legal to keep.
1 species with advisories · contaminants: Mercury
Nebraska also has statewide guidance
Nebraska publishes rules that apply to lakes across the state — 1 recommendation covering 1 species — in addition to anything listed for Johnson Lake below.
Strictest statewide rule: All Other Species — For women who may become pregnant, pregnant or breastfeeding women, and children: limit to one meal per week due to elevated Mercury.
What's safe to eat from Johnson Lake
White Bass
| Size | Who | Guidance |
|---|---|---|
| All sizes | General population | Limit to one meal per week due to elevated Mercury. |
| Women who may become pregnant, pregnant or breastfeeding women, and children | For women who may become pregnant, pregnant or breastfeeding women, and children: limit to two meals per month due to elevated Mercury. |
Source: official advisory· updated 2026-07-09
Is it legal to keep?
These are Nebraska'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 |
|---|---|---|---|---|
| Largemouth Bass | 15" min | 5 | Year-round | Same as open |
| Smallmouth Bass | 15" min | 5 | Year-round | Same as open |
| Walleye | 15" min | 4 | Year-round | Same as open |
| Sauger | — | 4 | Year-round | Same as open |
| Northern Pike | — | 3 | Year-round | Same as open |
| Muskellunge | 40" min | 1 | Year-round | Same as open |
| Black Crappie | — | — | Year-round | Same as open |
| White Crappie | — | — | Year-round | Same as open |
| Bluegill | — | — | Year-round | Same as open |
| Yellow Perch | — | — | Year-round | Same as open |
| Channel Catfish | — | 5 | Year-round | Same as open |
| Flathead Catfish | — | 5 | Year-round | Same as open |
| White Bass | — | 15 | Year-round | Same as open |
| Hybrid Striped Bass | — | 15 | Year-round | Same as open |
| Rainbow Trout | — | 5 | Year-round | Same as open |
Official rules: Nebraska — Nebraska Game & Parks