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Well & Septic Permits

Permit Sonoma’s Well & Septic Division issues the following types of permits. Please contact Permit Sonoma to discuss the permitting requirements and process.

Septic Systems (OWTS)

Septic System installation

Water Wells

Water Well

  • Well permits are required to drill, abandon, or deepen wells and can only be issued to Licensed C-57 Well Drilling Contractors.
  • Well Destruction Permits

Graywater Systems

Contact Information

County of Sonoma
Contact Well & Septic by Phone
Address
2550 Ventura Avenue
Santa Rosa, CA 95403
38.465074, -122.723705
Google Maps™ Directions

Well & Septic Maps

Well & Septic Districts Map

Well and Septic Districts Map

Map of Well & Septic's environmental health districts within Sonoma County.

OPR Inspection Areas Map
Map of Well & Septic's non-standard septic system OPR inspection areas within Sonoma County.