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
Dec
2026

CSI Industrial Re-Certification (ET)

12-10-2026 10:00 am -4:00 pm
Online Webinar
$299 + registration
14
Dec
2026

CACEO - Illicit Discharge Detection and Elimination (PDT)

12-14-2026 10:00 am -12:00 pm
Online Webinar
$75 + registration
CACEO - Illicit Discharge Detection and Elimination (PDT)
15
Dec
2026

CSI-MS4 Permit Compliance (Pacific: NV, HI, AK, CA, WA, OR, etc.)

12-15-2026 8:30 am -4:30 pm
Online Webinar
$425 + registration
16
Dec
2026

Industrial SWPPP Development Online

12-16-2026 8:00 am -4:00 pm
Online Webinar
$950 + registration + shipping

Sorry, the event is now full and we could not accept more registration

16
Dec
2026

CSI-Construction Inspector (Eastern: WV, PA, VA, NC, SC, GA, etc.)

12-16-2026 8:30 am -4:30 am
$425 + registration
05
Jan
2027

CSI-MS4 Permit Compliance (Eastern: NH, ME, NY, NJ, CT, RI, DE, etc.)

01-05-2027 8:30 am -4:30 pm
Online Webinar
$425 + registration
07
Jan
2027

CSI-Construction Inspector (Pacific: WA, OR, ID, CA, NV, etc.)

01-07-2027 8:30 am -4:30 am
$425 + registration
11
Jan
2027

Florida Stormwater Erosion and Sediment Control Inspector

01-11-2027 8:30 am - 01-12-2027 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
13
Jan
2027

CSI-Industrial (Central: IL, MN, WI, SD, ND, IA, MO, KY, LA, etc.)

01-13-2027 8:00 am -4:00 pm
Online Webinar
$425 + registration
13
Jan
2027

CSI-MS4 Inspector (Pacific: NV, OR, WA, ID, AK, HI, CA, etc.)

01-13-2027 8:30 am -4:30 pm
Online Webinar
$425 + registration