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Regulations and Initiatives
- Accessory Units and Junior Units
- Agricultural Uses
- Agricultural Zoning Ordinance
- Cannabis Program
- County Code for Permit Sonoma
- Housing Urgency Ordinances
- Renewable Energy
- Septic Regulations
- Universal Design
- Water Efficient Landscape Ordinance
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- Winery Events Calendar
- General Noise Standards
- Winery Use Permit Application Process
- Application Fees
- Required Site Specific Studies for Wineries
- Private Guest Accommodations
- Examples of Winery Project Descriptions and Conditions of Approval
- Areas of Local Concentration
- Draft Guidelines Dry Creek Valley
- Traffic Studies
- Use Permit Application Forms
- Document and Map Listings
- Z Accessory Dwelling Unit Exclusion Removal
- Back to Regulations and Initiatives
Board of Supervisors OWTS Manual Meeting Moved to May 21, 2019
Published: March 06, 2019
Due to the County's flood recovery efforts, the Board of Supervisor item for consideration of the proposed Onsite Waste Treatment Systems (OWTS) Manual has been postponed to May 21, 2019. We apologize for the inconvenience.
Background: In order to meet State mandated regulations, the County of Sonoma is updating our OWTS Manual. This Manual outlines County regulations and standards for septic systems.
Find Out More About the Process