Little Wall Lake fishing: Northern Pike, Walleye, Channel Catfish

Target species: Northern Pike, Walleye, Channel Catfish

The lake

Little Wall Lake covers 255 acres in Iowa, across Hamilton County. It is a lake: 90% of it is 10 feet deep or less; the deepest point measured is at least 12 feet (3.7 m). Our records hold 3 species for this water.

Depth and bottom

Deepest measured point: at least 12 ft (3.7 m). That is the deepest contour line: the bottom goes deeper. 90% of the water is 10 feet or shallower. We hold 16 depth contour lines for this water.

  • 0–2 ft: 4.8% of the water
  • 2–3 ft: 7.4% of the water
  • 3–4 ft: 9.9% of the water
  • 4–5 ft: 11.9% of the water
  • 5–6 ft: 16% of the water
  • 6–7 ft: 12.1% of the water
  • 7–8 ft: 8.6% of the water
  • 8–9 ft: 9.4% of the water
  • 9–10 ft: 9.9% of the water
  • 10–11 ft: 9.7% of the water
  • 11–12 ft: 0.5% of the water

3 target fish, led by Northern Pike

  • Northern Pike — Feeding water: 50–75°F.
  • Walleye — Feeding water: 50–75°F.
  • Channel Catfish — Feeding water: 70–85°F.

Stocking: 117,034 fish, 2009–2022

Iowa DNR records list 117,034 fish released into this water from 2009 to 2022. The latest stocking on record is from 2022, more than three years ago.

Aerial imagery: USDA NAIP 2023
USDA Farm Service Agency, NAIP 2023 aerial imagery (USGS The National Map) · Public domain
  • Walleye: 100,000 in 2009–2012
  • Channel Catfish: 13,134 in 2012–2022
  • Northern Pike: 3,900 in 2012–2013

Water and conditions

Our water temperature readings average 73°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.5. These readings span 2017–2024.

What is hard here

With 90% of the water 10 feet or less, low level turns the flats into hazards.

Where this data comes from

  • Iowa DNR — Iowa DNR: depth contours: class A, a survey of the bottom.
  • EPA NLA — EPA National Lakes Assessment: class B, a depth figure measured and published by an agency, without a bottom map, 2007.
  • 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.