Pierpont LakeDetailed Map – Click HereMain Fish Species – Largemouth Bass, PerchClosest Town – Groton, SDBoat Access – YesApproximate Size – 75 AcresLakes in Day County – Amsden Dam – Bitter Lake – Blue Dog Lake – Enemy Swim Lake – Lynn Lake – Minnewasta Lake – Pickerel Lake – Pierpont Lake – Waubay Lake – Hazelden Lake – Opitz Lake – Rush Lake – Little Rush Lake – Sweetwater Lake – Long Lake – Horseshoe Lake – Lily Lake – Antelope Lake – Solomon Slough – Goose Lake – Foldager Slough – Arneson Slough – Lonesome Lake – Anderson Lake