Municipal Members

Municipal members are limited to Municipal Separate Storm Sewer System (MS4) owners, including both Phase 1 and Phase II permittees and regulated permit holders that would not normally be considered municipal entities or traditional MS4 owners.

To contact a member representative, or to find out more about stormwater programs in your community, click on your community's logo below.

 
 

 
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Affiliate Members

Affiliate members are other jurisdictions or organizations with a strong interest in STORM's mission that the municipal members vote to make affiliate members. To contact a STORM affiliate member representative, or to find out more about their role in STORM, click on that member's logo below.

Flood Control District of Maricopa County

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Becoming a Member

If you or your organization are interested in becoming a member of STORM, please contact a Board Member by visiting the Contact STORM page.

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