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ngicp-logo_2 Learn about the National Green Infrastructure Certification Program.


umbrella and rain drops Learn about testing and evaluation of stormwater controls.  

MS4 Awards

Storm drain cover Learn about WEF’s MS4 and green infrastructure awards program.

The Stormwater Congress

13-1006-0_2682A the one Learn from thought leaders at the WEFTEC Stormwater Congress.

WEF Books

Book Gain essential knowledge from WEF’s peer-reviewed publications.

Online Learning

Train online via WEF’s Knowledge Center and webcast program.

Stormwater Committee

Stormwater Summit2 Provide leadership for effective stormwater management.  

Stormwater Report

Get the latest monthly stormwater news delivered to your inbox.

MS4 Survey

Cover Image2 See what challenges the MS4 sector is facing.