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South Dakota · Pennington County · Lake

New Wall Lake

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

3 species with advisories · contaminants: Mercury

What's safe to eat from New Wall Lake

Black Crappie

Mercury

SizeWhoGuidance
Over 13" General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

Largemouth Bass

Mercury

SizeWhoGuidance
Over 16" General population Limit to one meal per month due to elevated Mercury.

Source: official advisory· updated 2026-09-22

White Crappie

Mercury

SizeWhoGuidance
Over 13" 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.

SpeciesSizeDaily limitOpen seasonKeep 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

About this water

State
South Dakota
County
Pennington
Type
Lake
Location
43.9809, -102.2793
Advisory source
South Dakota Dept. of Health — Fish Consumption Advisories