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

31
Mar
2025

CSI-MS4 Arizona (MT)

03-31-2025 8:30 am - 04-01-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

31
Mar
2025

CSI-MS4 New Mexico (MT)

03-31-2025 8:30 am - 04-01-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

31
Mar
2025

CSI-MS4 Nevada (MT)

03-31-2025 8:30 am - 04-01-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

03
Apr
2025

Florida Stormwater Erosion and Sediment Control Inspector

04-03-2025 8:30 am - 04-04-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector

We are no longer accepting registration for this event

03
Apr
2025

CSI – Construction East Coast (ET)

04-03-2025 10:00 am - 04-04-2025 4:00 pm
Online Webinar
$599 + registration
09
Apr
2025

CSI-Industrial Midwest Online (CT)

04-09-2025 8:00 am -4:00 pm
Online Webinar
$399 + registration
09
Apr
2025

CSI MS4 Re-Certification

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

CSI-MS4 Ohio/West Virginia/Pennsylvania (ET)

04-10-2025 8:00 am - 04-11-2025 4:00 am
Online Webinar
$799 + registration
14
Apr
2025

CSI-MS4 Arkansas/Oklahoma (CT)

04-14-2025 8:00 am - 04-15-2025 4:00 am
Online Webinar
$799 + registration
14
Apr
2025

CSI-MS4 Louisiana/Texas (CT)

04-14-2025 8:00 am - 04-15-2025 4:00 am
Online Webinar
$799 + registration