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

21
Aug
2025

CSI-MS4 New Jersey (ET)

08-21-2025 8:30 am - 08-22-2025 4:30 pm
Online Webinar
$799 + registration
21
Aug
2025

CSI-MS4 New York (ET)

08-21-2025 8:30 am - 08-22-2025 4:30 pm
Online Webinar
$799 + registration
25
Aug
2025

CACEO - Stormwater for Leaders (PDT)

08-25-2025 9:00 am -12:00 pm
Online Webinar
$150 total.
CACEO - Stormwater for Leaders (PDT)
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