The Stormwater program protects our community's local waters by ensuring that only rainwater flows into our storm drains.


Santa Clara County Code of Ordinances, Title B, Division B11.5​


Facilities in unincorporated areas of Santa Clara County which are permitted by HMCD for any of the other programs we regulate are also subject to stormwater regulations.

General Requirements

  • Pay an annual invoice to keep your permit active.​


​​To view permit fees, click here.​​

Related Links

Watershed Prevention Division


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