| Week 17 |
| Monday. 20 April, 2026 | |
| 8:30 am |
CSI-MS4 Western States (PT)Online Webinar |
| 8:30 am |
Florida Stormwater Erosion and Sediment Control InspectorOnline Webinar |
| Wednesday. 22 April, 2026 | |
| 8:00 am |
CSI-Industrial Midwest Online (CT)Online Webinar |
| Thursday. 23 April, 2026 | |
| 8:30 am |
CSI-MS4 Georgia/Florida (ET)Online Webinar |
| 8:30 am |
CSI-MS4 Puerto Rico (ET)Online Webinar |