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

08
Sep
2025

CSI-MS4 Idaho (PT)

09-08-2025 8:30 am - 09-09-2025 4:30 pm
Online Webinar
$799 + registration
08
Sep
2025

CSI-MS4 Oregon (PT)

09-08-2025 8:30 am - 09-09-2025 4:30 pm
Online Webinar
$799 + registration
08
Sep
2025

CSI-MS4 Washington (PT)

09-08-2025 8:30 am - 09-09-2025 4:30 pm
Online Webinar
$799 + registration
10
Sep
2025

CACEO - Illicit Discharge Detection and Elimination (PDT)

09-10-2025 10:00 am -12:00 pm
Online Webinar
$75 + registration
CACEO - Illicit Discharge Detection and Elimination (PDT)
11
Sep
2025

Florida Stormwater Erosion and Sediment Control Inspector

09-11-2025 8:30 am - 09-12-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
15
Sep
2025

CSI – Construction East Coast (ET)

09-15-2025 10:00 am - 09-16-2025 4:00 pm
Online Webinar
$599 + registration
16
Sep
2025

CSI-Industrial East Coast Online (ET)

09-16-2025 8:00 am -4:00 pm
Online Webinar
$399 + registration
17
Sep
2025

CSI Network September (EDT)

09-17-2025 1:00 pm -2:30 pm
Online Webinar
18
Sep
2025

CSI-MS4 Indiana (CT)

09-18-2025 8:30 am - 09-19-2025 4:30 pm
Online Webinar
$799 + registration
18
Sep
2025

CSI-MS4 Michigan (CT)

09-18-2025 8:30 am - 09-19-2025 4:30 pm
Online Webinar
$799 + registration