South Twin Lake fishing: Northern Pike, Largemouth Bass
Target species: Northern Pike, Largemouth Bass
The lake
South Twin Lake covers 482 acres in Iowa, across Calhoun County. It is a lake: the deepest point measured is at least 5 feet (1.5 m). Our records hold 3 species for this water.
Stocking: 350,331 fish, 2010–2025
Iowa DNR records list 350,331 fish released into this water from 2010 to 2025.
- Northern Pike: 347,333 in 2010
- Largemouth Bass: 2,998 in 2025
Depth and bottom
Deepest measured point: at least 5 ft (1.5 m). That is the deepest contour line: the bottom goes deeper. We hold 13 depth contour lines for this water.
- 0–2 ft: 8.9% of the water
- 2–3 ft: 11.9% of the water
- 3–4 ft: 16.9% of the water
- 4–5 ft: 62.3% of the water
2 target fish, led by Northern Pike
- Northern Pike — Feeding water: 50–75°F.
- Largemouth Bass — Feeding water: 65–85°F.
Also recorded here: Common Carp.
Where this data comes from
- Iowa DNR — Iowa DNR: depth contours: class A, a survey of the bottom.
- Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.
