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Stocked last season

Lake Koshkonong Fish Stocking

Wisconsin · 1975 to 2023 on record

According to WDNR records, Lake Koshkonong has 122 stocking records on file across 12 species. The most recent stocking season represented is 2023.

Lake Koshkonong stocking
Lake Koshkonong photo
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122
Stocking records
75,425,035
Fish reported stocked
12
Species
2023
Latest season

Stocking activity by season

44 seasons on record, most in the 2002 (7 records). Click a bar to jump to that season below.

2 records
2023 · 496,851 fish
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023

Stocking records per season (labelled by the season's end year). Wisconsin's source reports by season, so records aren't broken out by month. Showing the most recent 25 of 44 seasons — the full history is listed below.

Most-stocked species

Walleye 46 records
Muskellunge 26 records
Northern Pike 21 records
Bluegill 7 records
Tiger Muskellunge 7 records

Location

Exact coordinates not yet available

Map not available yet
We don't have coordinates for this water on file.

Stocking history

Values shown exactly as the agency reported them; species names are normalized for search.

SpeciesFish stockedSizePhase
Northern Pike 62,814 2.17" avg · Mud Lake - Madison Chain Of Lakes strain Small Fingerling
Walleye 434,037 1.32" avg · Rock-Fox strain Small Fingerling

A stocking record does not guarantee fish remain present or may legally be harvested. Check current Wisconsin fishing regulations →

Quick facts

Latest season 2023
Most stocked Walleye
Species Walleye, Muskellunge, Northern Pike, Bluegill, Tiger Muskellunge, Largemouth Bass, Yellow Perch, Sauger, Green Sunfish, Panfish, Pumpkinseed, Sauger X Walleye
Seasons on record 1975 – 2023
Fish reported 75,425,035
Coordinates —

Data source

Compiled from public records published by the Wisconsin Department of Natural Resources. StockedSpots is independent and not affiliated with or endorsed by WDNR.

Source: Wisconsin Department of Natural Resources (WDNR). Data last checked September 1, 2026.
View WDNR source →

Frequently asked questions

WDNR records show Lake Koshkonong stocked with Walleye, Muskellunge, Northern Pike, Bluegill, Tiger Muskellunge, Largemouth Bass, Yellow Perch, Sauger, Green Sunfish, Panfish, Pumpkinseed, Sauger X Walleye.

See something that looks off?

Every stocking record on StockedSpots is pulled directly from official state wildlife agency sources — you can see exactly where each state's data comes from on our data sources page. If a record looks wrong, or you'd like a page reviewed or removed, let us know and we'll look into it.

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