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

Classes

Register Here

Email Us

info@npdes.com

 


Class Registration Calendar

23
Jul
2026

CSI-MS4 Indiana-Michigan (ET)

07-23-2026 8:30 am - 07-24-2026 4:30 pm
Online Webinar
$799 + registration
27
Jul
2026

CSI - CACEO Certified Stormwater Inspector (PDT)

07-27-2026 8:00 am - 07-28-2026 2:00 pm
Online Webinar
$575 + registration
CSI - CACEO Certified Stormwater Inspector (PDT)
30
Jul
2026

CSI-MS4 Florida-Georgia (ET)

07-30-2026 8:30 am - 07-31-2026 4:30 pm
Online Webinar
$799 + registration
30
Jul
2026

CSI-MS4 Puerto Rico (AT)

07-30-2026 8:30 am - 07-31-2026 4:30 pm
Online Webinar
$799 + registration
03
Aug
2026

Florida Stormwater Erosion and Sediment Control Inspector

08-03-2026 8:30 am - 08-04-2026 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
05
Aug
2026

CACEO - Stormwater for Leaders (PDT)

08-05-2026 9:00 am -12:00 pm
Online Webinar
$150 total.
CACEO - Stormwater for Leaders (PDT)
06
Aug
2026

CSI-MS4 North Carolina-South Carolina (ET)

08-06-2026 8:30 am - 08-07-2026 4:30 pm
Online Webinar
$799 + registration
06
Aug
2026

CSI – Construction Eastern (ET)

08-06-2026 10:00 am - 08-07-2026 4:00 pm
Online Webinar
$599 + registration
10
Aug
2026

CSI-MS4 Alaska (AT)

08-10-2026 8:30 am - 08-11-2026 4:30 pm
Online Webinar
$799 + registration
10
Aug
2026

CSI-MS4 California (PT)

08-10-2026 8:30 am - 08-11-2026 4:30 pm
Online Webinar
$799 + registration