Men's Swimming Year-by-Year Results
Win-loss totals are based on dual meet results
| Season | W | L | T | AMCC Championships Finish | Coach | Notes |
| 1998-99 | - | Eric Johnson | ||||
| 1999-00 | - | Johnson | ||||
| 2000-01 | - | Johnson | ||||
| 2001-02 | - | Jon Larson | ||||
| 2002-03 | - | Nanette Cummings | ||||
| 2003-04 | 1 | 7 | - | Cummings | Placed ninth in ECAC Winter Championships | |
| 2004-05 | 0 | 5 | - | Cummings | ||
| 2005-06 | 0 | 6 | - | Cummings | ||
| 2006-07 | 4 | 4 | 2nd Place | Cummings | Lions finish as AMCC runners-up with 129 points in championship meet | |
| 2007-08 | 5 | 4 | 2nd Place | Cummings | Team posts 179 points at AMCCs to finish in second | |
| 2008-09 | 5 | 3 | 2nd Place | Cummings | Lions' 175 points help team earn runner-up status at AMCCs for third straight year | |
| 2009-10 | 3 | 5 | 2nd Place | Cummings | PSA finishes AMCC championships in second place for fourth straight season | |
| 2010-11 | 1 | 9 | 4th Place | Cummings | ||
| 2011-12 | 1 | 6 | 4th Place | Greg Scallen | ||
| 2012-13 | 3 | 5 | 4th Place | Scallen | ||
| 2013-14 | 5 | 2 | 1 | 2nd Place | Scallen | Lions set program record for most points in the AMCC championships, recording 215 points to place second |
| 2014-15 | 3 | 7 | 4th Place | Scallen | ||
| 2015-16 | 3 | 8 | 4th Place | Scallen | ||
| 2017-18 | 2 | 6 | 5th Place | Scallen | ||
| 2018-19 | 3 | 5 | 4th Place | Brad Brooks | ||
| 2019-20 | 7 | 2 | 3rd Place | Brooks | Team totals 363 points during the AMCC championships, the program's highest point total ever in the conference finals | |
| 2020-21 | - | - | - | Brooks | Team has its regular season canceled due to COVID-19 and competes in a pair of dates during Spring 2021 | |
| 2021-22 | 6 | 3 | 3rd Place | Brooks | ||
| 2022-23 | 5 | 3 | 3rd Place | Brooks | Lions establish a new team record by scoring 461.5 points during the AMCC championships |