Fill out the form below to become a NMSA Affiliate Member. If you’d prefer to print, fill out, and mail your application, you can download a copy of the form here.

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Communication Preferences

Sign up to receive membership information and news about workshops, events, advocacy issues, and other items of interest to you. Email addresses are not shared with third parties.  

Annual Affiliate Membership Dues

Gross Revenue
(Current FY)
Membership Dues
$0 – $999,999 $500
Over $1 million $1,000

Pay online via PayPal or mail a check payable to NMSA to the following address:

National Municipal Stormwater Alliance
107 S. West Street, Suite 405 | Alexandria, VA 22314-2891

NMSA is a Virginia 501(c)(3) nonprofit corporation. Membership rates are subject to change.