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

27
Aug
2025

CSI-Industrial West Coast Online (PT)

08-27-2025 8:00 am -4:00 pm
Online Webinar
$399 + registration
03
Sep
2025

CSI Construction Re-Certification

09-03-2025 10:30 am -4:30 pm
Online Webinar
$299 + registration
04
Sep
2025

CSI-MS4 Kentucky (ET)

09-04-2025 8:30 am - 09-05-2025 4:30 pm
Online Webinar
$799 + registration
04
Sep
2025

CSI-MS4 Tennessee (ET)

09-04-2025 8:30 am - 09-05-2025 4:30 pm
Online Webinar
$799 + registration
04
Sep
2025

CSI-MS4 West Virginia (ET)

09-04-2025 8:30 am - 09-05-2025 4:30 pm
Online Webinar
$799 + registration
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 -11:30 am
Online Webinar
$50 + 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