1970's
| 1977* | Kalamazoo |
| 1978* | Kalamazoo |
| 1979 | Kalamazoo |
1980's
| 1980 | Hope |
| 1981 | Hope |
| 1982 | Hope |
| 1983 | Hope |
| 1984 | Hope |
| 1985 | Hope |
| 1986 | Hope |
| 1987 | Hope |
| 1988 | Hope |
| 1989 | Hope |
1990's
| 1990 | Kalamazoo |
| 1991 | Kalamazoo |
| 1992 | Hope |
| 1993 | Hope |
| 1994 | Hope |
| 1995 | Hope |
| 1996 | Hope |
| 1997 | Hope |
| 1998 | Hope |
| 1999 | Hope |
2000's
| 2000 | Hope |
| 2001 | Calvin |
| 2002** | Calvin |
| 2003 | Hope |
| 2004 | Hope |
| 2005 | Calvin |
| 2006 | Calvin |
| 2007 | Calvin |
| 2008 | Calvin |
| 2009 | Calvin |
2010's
| 2010 | Calvin |
| 2011 | Calvin |
| 2012 | Calvin |
| 2013 | Calvin |
| 2014 | Calvin |
| 2015 |
Calvin |
2016 Calvin
2017 Calvin
2018 Calvin
*Champions in 1977 and 1978 were in WMIAA competition
**In 2002, Hope forfeited its championship for using an ineligible swimmer. Calvin was declared league champion.
