Elm LakeDetailed Map – Click HereMain Fish Species – Walleye , Northern Pike , Largemouth BassClosest Town – Frederick, SDBoat Access – YesApproximate Size – 1200 AcresLakes in Brown County – Mina Lake – Richmond Lake – Elm Lake – Pigors Lake – Sand Lake – Willow Creek Lake – Lords Lake – Wylie Lake – Alkali Lake – Renzieahausen Slough – Salt Lake – McPhearson County