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

10
Nov
2025

Illicit Discharge Detection and Elimination for Field Personnel (EDT)

11-10-2025 10:00 am -12:00 pm
Online Webinar
$75 + registration

We are no longer accepting registration for this event

10
Nov
2025

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

11-10-2025 12:00 pm -4:00 pm
Online Webinar
$324 + registration

We are no longer accepting registration for this event

12
Nov
2025

Industrial SWPPP Development Online

11-12-2025 8:00 am -4:00 pm
Online Webinar
$950 + registration + shipping

We are no longer accepting registration for this event

12
Nov
2025

CSI MS4 Re-Certification

11-12-2025 10:30 am -4:30 pm
Online Webinar
$299 + registration
12
Nov
2025

CSI Network November (EDT)

11-12-2025 1:00 pm -2:30 pm
Online Webinar
13
Nov
2025

Florida Stormwater Erosion and Sediment Control Inspector

11-13-2025 8:30 am - 11-14-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
13
Nov
2025

CACEO - Stormwater for Leaders (PDT)

11-13-2025 9:00 am -12:00 pm
Online Webinar
$150 total.
CACEO - Stormwater for Leaders (PDT)
17
Nov
2025

CSI-MS4 New England (ET)

11-17-2025 8:30 am - 11-18-2025 4:30 pm
Online Webinar
$799 + registration
17
Nov
2025

CSI-MS4 California (PT)

11-17-2025 8:30 am - 11-18-2025 4:30 pm
Online Webinar
$799 + registration
17
Nov
2025

CSI-MS4 Hawai'i (PT)

11-17-2025 8:30 am - 11-18-2025 4:30 pm
Online Webinar
$799 + registration