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

19
Feb
2026

CSI-MS4 South Carolina (ET)

02-19-2026 8:30 am - 02-20-2026 4:30 pm
Online Webinar
$799 + registration
20
Feb
2026

Stormwater Management for Decision Makers (EST)

02-20-2026 12:00 pm -3:00 pm
Online Webinar
$199 + registration
23
Feb
2026

CSI-MS4 Kansas/Missouri (CT)

02-23-2026 8:30 am - 02-24-2026 4:30 pm
Online Webinar
$799 + registration
23
Feb
2026

CSI-MS4 Nebraska/Iowa (CT)

02-23-2026 8:30 am - 02-24-2026 4:30 pm
Online Webinar
$799 + registration
25
Feb
2026

CACEO - Stormwater for Leaders (PDT)

02-25-2026 9:00 am -12:00 pm
Online Webinar
$150 total.
CACEO - Stormwater for Leaders (PDT)
26
Feb
2026

CSI – Construction East Coast (ET)

02-26-2026 10:00 am - 02-27-2026 4:00 pm
Online Webinar
$599 + registration
02
Mar
2026

CSI-MS4 Illinois/Wisconsin (CT)

03-02-2026 8:30 am - 03-03-2026 4:30 pm
Online Webinar
$799 + registration
02
Mar
2026

CSI-MS4 Minnesota (CT)

03-02-2026 8:30 am - 03-03-2026 4:30 pm
Online Webinar
$799 + registration
04
Mar
2026

CSI Industrial Re-Certification (ET)

03-04-2026 10:30 am -4:30 pm
Online Webinar
$299 + registration
05
Mar
2026

CSI-MS4 Ohio/Pennsylvania (ET)

03-05-2026 8:30 am - 03-06-2026 4:30 pm
Online Webinar
$799 + registration