Irwin Lake - stocking report
Irwin Lake was last stocked on October 28, 2025: 750 Brook trout (6.5 in avg).
Full stocking history
| Date | Species | Fish | Size |
|---|---|---|---|
| October 28, 2025 | Brook trout | 750 | 6.5 in avg |
| November 8, 2024 | Brook trout | 825 | 6.54 in avg |
| November 1, 2023 | Brook trout | 749 | 6.06 in avg |
| November 4, 2022 | Brook trout | 749 | 5.67 in avg |
| November 4, 2021 | Brook trout | 800 | 6.22 in avg |
| October 14, 2020 | Brook trout | 750 | 5.55 in avg |
| October 16, 2019 | Brook trout | 749 | 5.59 in avg |
| November 5, 2018 | Brook trout | 750 | 5.43 in avg |
| November 7, 2017 | Brook trout | 750 | 6.22 in avg |
| October 20, 2016 | Brook trout | 750 | 6.06 in avg |
| October 16, 2015 | Brook trout | 750 | 5.47 in avg |
| October 22, 2014 | Brook trout | 750 | 5.51 in avg |
| October 23, 2013 | Brook trout | 749 | 5.71 in avg |
| October 10, 2012 | Brook trout | 750 | 6.1 in avg |
| October 11, 2011 | Brook trout | 700 | 5.63 in avg |
| October 11, 2010 | Brook trout | 750 | 5.28 in avg |
| October 8, 2009 | Brook trout | 750 | 6.18 in avg |
| October 17, 2008 | Brook trout | 2,000 | 5.67 in avg |
| October 18, 2007 | Brook trout | 1,500 | 5.55 in avg |
| October 3, 2006 | Brook trout | 2,000 | 5.55 in avg |
| October 10, 2005 | Brook trout | 1,997 | 5.71 in avg |
| October 18, 2004 | Brook trout | 1,493 | 5.04 in avg |
| October 20, 2003 | Brook trout | 2,000 | 4.45 in avg |
| October 1, 2002 | Brook trout | 2,000 | 4.69 in avg |
| September 26, 2001 | Brook trout | 400 | 10.51 in avg |
| June 4, 2001 | Brook trout | 2,351 | 6.77 in avg |
| June 17, 1999 | Brook trout | 300 | 10.16 in avg |
| November 5, 1998 | Brook trout | 130 | 10.94 in avg |
| November 5, 1998 | Brook trout | 700 | 4.96 in avg |
| October 22, 1997 | Brook trout | 1,500 | 3.9 in avg |
| May 13, 1997 | Brown trout | 500 | 7.05 in avg |
| October 14, 1996 | Brook trout | 2,000 | 5.39 in avg |
| October 17, 1995 | Brook trout | 2,000 | 4.96 in avg |
| October 11, 1994 | Brook trout | 2,000 | 5.98 in avg |
| May 23, 1994 | Brook trout | 500 | 10.83 in avg |
| May 4, 1994 | Brown trout | 500 | 7.09 in avg |
| October 4, 1993 | Brook trout | 2,000 | 4.96 in avg |
| October 1, 1992 | Brook trout | 2,000 | 5.2 in avg |
| June 29, 1992 | Brook trout | 1,000 | 5.55 in avg |
| October 15, 1991 | Brook trout | 2,000 | 4.57 in avg |
| June 12, 1991 | Brook trout | 265 | 13.98 in avg |
| October 4, 1990 | Brook trout | 2,000 | 3.78 in avg |
| October 4, 1989 | Brook trout | 2,000 | 4.8 in avg |
| May 3, 1989 | Brook trout | 200 | 11.34 in avg |
| May 3, 1988 | Brook trout | 273 | 15.87 in avg |
| April 25, 1988 | Brook trout | 1,080 | 6.42 in avg |
| October 13, 1986 | Brook trout | 750 | 4.13 in avg |
| October 21, 1980 | Brook trout | 250 | 4.8 in avg |
| June 28, 1979 | Brook trout | 250 | 3.54 in avg |
Records shown exactly as published by Michigan Department of Natural Resources. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Michigan Department of Natural Resources. Last updated: .