- 2011-02-09: 100th Anniversary of Southern California Section
- 2011-03-03: “Contaminants of Emerging Concern in Treated Wastewater”
- 2011-04-25: Tolman Award Dinner Honoring Prof. Dennis Dougherty
- 2011-05-08 through 13: International Science and Engineering Competition
- 2011-06-03: Educational Awards Banquet
- 2011-09-24: Luncheon Honoring our 50/60/70 Year Members with Project SEED Presentation
- 2011-11-11: Centennial Banquet and Panel Discussion