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
Jul
2025

CSI-MS4 Illinois/Wisconsin (CT)

07-21-2025 8:30 am - 07-22-2025 4:30 pm
Online Webinar
$799 + registration
21
Jul
2025

CSI-MS4 Ohio (ET)

07-21-2025 8:30 am - 07-22-2025 4:30 pm
Online Webinar
$799 + registration
23
Jul
2025

Water Quality Standards, 303(d) Lists, TMDLs (EST)

07-23-2025 12:00 pm -4:00 pm
Online Webinar
$324 + registration
24
Jul
2025

CSI – Construction East Coast (ET)

07-24-2025 10:00 am - 07-25-2025 4:00 pm
Online Webinar
$599 + registration
28
Jul
2025

CSI-MS4 Arizona/Colorado (MT)

07-28-2025 8:30 am - 07-29-2025 4:30 pm
Online Webinar
$799 + registration
28
Jul
2025

CSI-MS4 Nevada/New Mexico/Wyoming (MT)

07-28-2025 8:30 am - 07-29-2025 4:30 pm
Online Webinar
$799 + registration
30
Jul
2025

Industrial SWPPP Development Online

07-30-2025 8:00 am -4:00 pm
Online Webinar
$950 + registration + shipping
31
Jul
2025

CSI-MS4 Florida (ET)

07-31-2025 8:30 am - 08-01-2025 4:30 pm
Online Webinar
$799 + registration
31
Jul
2025

CSI-MS4 Georgia (ET)

07-31-2025 8:30 am - 08-01-2025 4:30 pm
Online Webinar
$799 + registration
31
Jul
2025

CSI-MS4 Puerto Rico (ET)

07-31-2025 8:30 am - 08-01-2025 4:30 pm
Online Webinar
$799 + registration