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

01
Oct
2026

Industrial: Sector Y - Rubber, Misc. Plastic Products, and Misc. Manufacturing

10-01-2026 1:00 pm -2:00 pm
Online Webinar
$50
02
Oct
2026

Illicit Discharge Detection and Elimination for Field Personnel (EDT)

10-02-2026 10:00 am -12:00 pm
Online Webinar
$75 + registration
05
Oct
2026

CSI-MS4 Permit Compliance Arkansas-Oklahoma (CT)

10-05-2026 8:30 am - 10-06-2026 4:30 pm
Online Webinar
$799 + registration
05
Oct
2026

CSI-MS4 Permit Compliance Texas-Louisiana (CT)

10-05-2026 8:30 am - 10-06-2026 4:30 pm
Online Webinar
$799 + registration
05
Oct
2026

Florida Stormwater Erosion and Sediment Control Inspector

10-05-2026 8:30 am - 10-06-2026 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
07
Oct
2026

CSI-Industrial East Coast Online (ET)

10-07-2026 8:00 am -4:00 pm
Online Webinar
$399 + registration
08
Oct
2026

CSI-MS4 Permit Compliance Indiana-Michigan (ET)

10-08-2026 8:30 am - 10-09-2026 4:30 pm
Online Webinar
$799 + registration
08
Oct
2026

CSI Construction Re-Certification

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

CSI – Construction West Coast (PT)

10-13-2026 10:00 am - 10-14-2026 4:00 pm
Online Webinar
$599 + registration
14
Oct
2026

CSI-MS4 Inspector - NEW!

10-14-2026 8:30 am -4:30 pm
Online Webinar
$399 + registration