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Subdivision Standards
Notice
The Subdivision Standards accessible on this page are the current standards for Colusa County. The county is in the process of updating the standards, and they may be subject to change prior to being posted. Developers or their designated representatives should contact the Public Works Department at (530) 458-0466 to confirm any new additions, deletions, or changes to the Subdivision Standards.
Standards
View the complete Subdivision Standards (PDF), or select an individual standard to view its details:
- S-1: Vertical and Rolled Curb, Gutter, and Sidewalk (PDF)
- S-2: Vertical and Rolled Curb and Gutter (PDF)
- S-3: Driveway Approach (PDF)
- S-4: Cross Gutter (PDF)
- S-5: PCC Pedestrian Ramp (PDF)
- S-6: PCC Pedestrian Ramp (PDF)
- S-7: Headwall Structural Details (PDF)
- S-8: GO Type Drop Inlet and Details (PDF)
- S-9: Type "C" Inlet (PDF)
- S-10: Concrete Trench Cover for Streets and Sidewalks (PDF)
- S-11: Street Survey Monument (PDF)
- S-12: County Road Sign (PDF)
- S-13: Street and Stop Sign Post Detail (PDF)
- S-14: Temporary Cul-De-Sac (PDF)
- S-15: Permanent Cul-De-Sac (PDF)
- S-16: Driveways for Hillside (PDF)
- S-17: Typical Details of Pavement Replacement and Backfill Requirements (PDF)
- S-18: Road Connection (PDF)
- S-19: Eccentric Manhole (PDF)
- S-20: Drop Inlet (PDF)
- S-21: Approved Methods of Laying Pipe (PDF)
- S-22: Typical Method for Setting Appurtenances (PDF)
- S-23: Flushing Hole CL Frame and Cover (PDF)
- S-24: Manhole Frame and Cover (PDF)
- S-25: Manhole Details (PDF)
- S-26: 30’ Drywell on Public Right of Way (PDF)
- S-27: Fire Hydrant Installation (PDF)
- S-28: Fire Hydrant (PDF)
- S-29: Fire Department - Swimming Pool Connection (PDF)
- S-30: Guard Panel and Guard Post Details (PDF)
- S-31: Thrust Blocks for AFP Mains (PDF)
- S-32: Thrust Block Bearing Areas for ACP Mains (PDF)
- RS-1: Typical Sections for Commercial - Industrial Subdivisions (PDF)
- RS-2: Typical Sections for Subdivision Roads - Major, Local, Minor, and Cul-De-Sac (PDF)
- RS-3: Typical Sections for Subdivision Roads - Major, Local, and Minor (PDF)
- RS-4: Typical Sections for Hillside Roads - One-Way Loop and One-Way Split Level (PDF)