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
 


Class Registration Calendar

13
Mar
2025

CSI-MS4 Delaware (ET)

03-13-2025 8:30 am - 03-14-2025 4:30 pm
Online Webinar
$799 + registration
13
Mar
2025

CSI-MS4 Maryland (ET)

03-13-2025 8:30 am - 03-14-2025 4:30 pm
Online Webinar
$799 + registration
13
Mar
2025

CSI-MS4 Virginia (ET)

03-13-2025 8:30 am - 03-14-2025 4:30 pm
Online Webinar
$799 + registration
19
Mar
2025

CSI Network March (ET)

03-19-2025 1:00 pm -2:30 pm
Online Webinar
20
Mar
2025

Florida Stormwater Erosion and Sediment Control Inspector

03-20-2025 8:30 am - 03-21-2025 4:00 pm
Online Webinar
$225 + registration
Florida Stormwater Erosion and Sediment Control Inspector
24
Mar
2025

CSI-MS4 Illinois (CT)

03-24-2025 8:00 am - 03-25-2025 4:00 am
Online Webinar
$799 + registration
24
Mar
2025

CSI-MS4 Minnesota (CT)

03-24-2025 8:00 am - 03-25-2025 4:00 am
Online Webinar
$799 + registration
24
Mar
2025

CSI-MS4 Wisconsin(CT)

03-24-2025 8:00 am - 03-25-2025 4:00 am
Online Webinar
$799 + registration
26
Mar
2025

CSI MS4 Re-Certification

03-26-2025 10:30 am -4:30 pm
Online Webinar
$299 + registration
27
Mar
2025

CSI-MS4 Tennessee (ET)

03-27-2025 8:30 am - 03-28-2025 4:30 pm
Online Webinar
$799 + registration