Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST

Classes

Register Here

Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST
 


Class Registration Calendar

16
Jun
2025

CSI-MS4 Kansas/Missouri (CT)

06-16-2025 8:30 am - 06-17-2025 4:30 pm
Online Webinar
$799 + registration
16
Jun
2025

CSI-MS4 Nebraska (CT)

06-16-2025 8:30 am - 06-17-2025 4:30 pm
Online Webinar
$799 + registration
18
Jun
2025

CSI Network June (EDT)

06-18-2025 1:00 pm -2:30 pm
Online Webinar
23
Jun
2025

CSI – Construction West Coast (PT)

06-23-2025 8:00 am - 06-24-2025 2:00 pm
Online Webinar
$599 + registration
23
Jun
2025

CSI-MS4 Idaho (PT)

06-23-2025 8:30 am - 06-24-2025 4:30 pm
Online Webinar
$799 + registration
23
Jun
2025

CSI-MS4 Oregon/Washington (PT)

06-23-2025 8:30 am - 06-24-2025 4:30 pm
Online Webinar
$799 + registration
25
Jun
2025

CSI-Industrial West Coast Online (PT)

06-25-2025 8:00 am -4:00 pm
Online Webinar
$399 + registration
26
Jun
2025

Florida Stormwater Erosion and Sediment Control Inspector

06-26-2025 8:30 am - 06-27-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
30
Jun
2025

Illicit Discharge Detection and Elimination for Field Personnel (ET)

06-30-2025 10:00 am -11:30 am
Online Webinar
$50 + registration
01
Jul
2025

CSI Industrial Re-Certification (CST)

07-01-2025 10:30 am -4:30 pm
Online Webinar
$299 + registration