| May 20, 2008 |
| 2008 IWEA Operators Challenge at Anderson, IN |
| 2007 IWEA Operators Challenge at Seymour, IN |
| 2009 IWEA Operators Challenge at Mishawaka, IN |
| 2010 IWEA Operators Challenge at Shelbyville, IN |

| Challenge at WEFTEC in October in New Orleans. Teams completed a On May 18th, IWEA held their 24th Annual Wastewater Challenge at the to the highest scoring team in each category as well as to the overall winner. |
| 2011 IWEA Operators Challenge at Fort Wayne, IN |
| Congratulations to Team SIOA in taking 1st PLACE at the 2011 IWEA Wastewater Challenge!! GREAT JOB! They attended the WEF National Competition in Los Angeles!! |
| Lawrenceburg, IN. SDRSD. |