Join NMSA Today

NMSA membership offers a high return on investment for your organization. Provided below are the NMSA member benefits afforded to non-profit organizations who represent a minimum of five (5) MS4s. All members are entitled equally to these benefits.

Find out how you can become an NMSA member today.


Learning Opportunities

NMSA hosts an annual meeting at WEFTEC that includes a presentation by U.S. EPA headquarters staff. The annual meeting also includes updates of national importance regarding the MS4 stormwater program.


NMSA provides a network of professionals from other cities and agencies that are a support system for virtually any problem. Members are able to establish a strong national network of resources to assist them in their daily work.


Recognition & Visibility

As a NMSA member, we will place your logo on our website with a link to your organization’s homepage.


You will have access to information on stormwater programs nationwide, as well as information on the most current direction of the national stormwater program.

Make a Difference

Our communities depend on clean water, but stormwater is one of the greatest challenges facing water quality today. Engage with NMSA on a wide range of efforts focused on improving stormwater quality.

Drive Change in the Sector

By supporting NMSA, you are helping us improve stormwater programs across the nation, and in doing so, helping to improve water quality. Strong leadership is needed to shape the stormwater sector as it grows and evolves.