IWBA Senior State Champions from Waterloo
| Doubles | ||||
| Division | Year | Score | ||
| Div 2 | 1990 | 1276 | Betty Cerwinske – Jean Magee | |
| Singles | ||||
| Division | Year | Score | ||
| Div 1 | 2017 | 791 | Connie Broell | |
| 2004 | 735 | Alice Thompson | ||
| Div 2 | 2015 | 748 | Mary Kaufman | |
| All Events | ||||
| Division | Year | Score | ||
| Div 1 | 2017 | 1531 | Connie Broell | |
| 2004 | 1426 | Alice Thompson | ||