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

05
Jun
2025

CSI-MS4 Tennessee (ET)

06-05-2025 8:30 am - 06-06-2025 4:30 pm
Online Webinar
$799 + registration
05
Jun
2025

CSI-MS4 West Virginia (ET)

06-05-2025 8:30 am - 06-06-2025 4:30 pm
Online Webinar
$799 + registration
09
Jun
2025

Florida Stormwater Erosion and Sediment Control Inspector

06-09-2025 8:30 am - 06-10-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
11
Jun
2025

CACEO - Illicit Discharge Detection and Elimination (PDT)

06-11-2025 10:00 am -11:30 am
Online Webinar
$50 + registration
CACEO - Illicit Discharge Detection and Elimination (PDT)
11
Jun
2025

CSI Construction Re-Certification June

06-11-2025 10:30 am -4:30 pm
Online Webinar
$299 + registration
12
Jun
2025

CSI-MS4 Delaware (ET)

06-12-2025 8:30 am - 06-13-2025 4:30 pm
Online Webinar
$799 + registration
12
Jun
2025

CSI-MS4 Maryland/Pennsylvania (ET)

06-12-2025 8:30 am - 06-13-2025 4:30 pm
Online Webinar
$799 + registration
12
Jun
2025

CSI-MS4 Virginia (ET)

06-12-2025 8:30 am - 06-13-2025 4:30 pm
Online Webinar
$799 + registration
16
Jun
2025

CSI-MS4 Iowa (CT)

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

CSI-MS4 Kansas/Missouri (CT)

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