| Week 30 |
| Monday. 20 July, 2026 | |
| 8:30 am |
CSI-MS4 Arizona-Colorado (MT)Online Webinar |
| 8:30 am |
CSI-MS4 Nevada-New Mexico-Wyoming (MT)Online Webinar |
| Wednesday. 22 July, 2026 | |
| 12:00 pm |
Water Quality Standards, 303(d) Lists, TMDLs (EST)Online Webinar |
| Thursday. 23 July, 2026 | |
| 8:30 am |
CSI-MS4 Indiana-Michigan (ET)Online Webinar |