OC Road Fee Programs
The County of Orange has six active OC Road Fee Programs. Each OC Road Fee Program has a specific Area of Benefit (AOB) that determines if an OC road fee is associated with the…
Documents Maps
In this section you will find several informational resources including online maps, drawings, reports, manuals, and links to County Standard Plans and other government resources. Standard…
East Garden GroveWintersburg Channel Improvement Project
The East Garden Grove-Wintersburg Channel Improvement Project was officially completed in March 2023. Read and download the Notice of Project Completion. Watch the before and after drone…
Drawings Maps
Basemap of Drainage Facilities Basemap of Drainage Facilities OCFCD 1 OCFCD 2 OCFCD 3 OCFCD 4 OCFCD 5 OCFCD 6 OCFCD 7 OCFCD 8 OCFCD 9…
TRAFFIC ENGINEERING
Traffic Design & Signal Operations (TD&SO)TD&SO staff oversee the operation and maintenance of over 120 traffic signals and other traffic control devices within unincorporated…
Related Links
Division of Measurement Standards State agency that oversees statewide weights and measures programs. National Conference on Weights and Measures National organization that…
Weighing and Measuring Devices
The County's Weights and Measures staff routinely inspect and test all weighing and measuring devices used commercially in the County. Devices inspected include gasoline dispensers, propane…
Office Locations
County Administration South 601 North Ross Street Santa Ana, CA 92701 Click here for directions.…
Noxious Weeds Native Vegetation
What is a Noxious Weed? A weed is designated noxious when it is considered by a governmental agency to be injurious to public health, agriculture, recreation, wildlife, or property. Some general…
Metric Conversions
Internationally, the metric system is applied to weights and measures. Weights for baggage, fruits and vegetables, and even eggs (sold by the kilo, not by the dozen) are measured in kilograms.…