LivewellSouth Dakota · Kingsbury County · Lake
Lake Henry
Is the fish you caught here safe to eat? Below is every consumption advisory on file for Lake Henry, by species and size, in plain English — plus what's legal to keep.
1 species with advisories · contaminants: Mercury
What's safe to eat from Lake Henry
Walleye
| Size | Who | Guidance |
|---|---|---|
| Over 24" | General population | Limit to one meal per month due to elevated Mercury. |
Source: official advisory· updated 2026-09-22
Is it legal to keep?
These are South Dakota'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 | — | 4 | Year-round | Same as open |
| Sauger | — | 4 | Year-round | Same as open |
| Northern Pike | — | 6 | Year-round | Same as open |
| Largemouth Bass | — | 5 | Year-round | Same as open |
| Smallmouth Bass | — | 5 | Year-round | Same as open |
| Yellow Perch | — | 15 | Year-round | Same as open |
| Black Crappie | — | 15 | Year-round | Same as open |
| White Crappie | — | 15 | Year-round | Same as open |
| Bluegill | — | 15 | Year-round | Same as open |
| Channel Catfish | — | 10 | Year-round | Same as open |
| Chinook Salmon | — | 5 | Year-round | Same as open |
| Rainbow Trout | — | 5 | Year-round | Same as open |
| Lake Trout | — | 5 | Year-round | Same as open |
| Muskellunge | — | 0 | Year-round | Same as open |
Official rules: South Dakota — South Dakota GFP
Getting on the water
- Lake Henry Boat Ramp boat ramp 0.9 mi Directions
- Lake Thompson Boat Ramp boat ramp 1.6 mi Directions
- Boat ramp boat ramp 3.0 mi Directions
- Boat ramp boat ramp 3.3 mi Directions
Access points from OpenStreetMap contributors.