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

03
Aug
2026

Industrial: Sectors Q & R - Water Transporation and Ship and Boat Building and Repair Yards

08-03-2026 11:00 am -12:00 pm
Online Webinar
$50
03
Aug
2026

Industrial: Sector S - Airport Vehicle Maintenance, Equipment Cleaning, and Deicing Areas

08-03-2026 1:00 pm -2:00 pm
Online Webinar
$50
05
Aug
2026

CACEO - Stormwater for Leaders (PDT)

08-05-2026 9:00 am -12:00 pm
Online Webinar
$150 total.
CACEO - Stormwater for Leaders (PDT)
06
Aug
2026

CSI-MS4 North Carolina-South Carolina (ET)

08-06-2026 8:30 am - 08-07-2026 4:30 pm
Online Webinar
$799 + registration
06
Aug
2026

CSI – Construction Eastern (ET)

08-06-2026 10:00 am - 08-07-2026 4:00 pm
Online Webinar
$599 + registration
10
Aug
2026

CSI-MS4 Alaska (AT)

08-10-2026 8:30 am - 08-11-2026 4:30 pm
Online Webinar
$799 + registration
10
Aug
2026

CSI-MS4 California (PT)

08-10-2026 8:30 am - 08-11-2026 4:30 pm
Online Webinar
$799 + registration
12
Aug
2026

CSI Construction Re-Certification

08-12-2026 10:30 am -4:30 pm
Online Webinar
$299 + registration
13
Aug
2026

CSI-MS4 Ohio-Pennsylvania (ET)

08-13-2026 8:30 am - 08-14-2026 4:30 pm
Online Webinar
$799 + registration
13
Aug
2026

CSI-MS4 West Virginia (ET)

08-13-2026 8:30 am - 08-14-2026 4:30 pm
Online Webinar
$799 + registration