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Office of Emergency Services
Overview  of Services and Functions

The County of Tuolumne Office of Emergency Services (OES) provides preparedness before, and coordination direction during, large-scale emergencies and disasters.  OES coordinates with partner agencies, special districts, and key private agencies in providing planning, response, recovery, and mitigation activities as a result of disaster related incidents.

The state's Office of Emergency Services coordinates overall state agency response to major disasters in support of local government.  The office is responsible for assuring the state's readiness to respond to and recover from both natural and man-made disasters, and for assisting local governments in their emergency preparedness, response and recovery efforts.

Mission Statement

In cooperation with local, state, federal agencies, enhance public protective actions, and promote domestic preparedness through a comprehensive and effective emergency services program that will mitigate against, prepare for, respond appropriately to, and quickly recover from natural, technological, and terrorist related emergencies that may impact the residents of Tuolumne County.

Citizen Alert System Notification Sign Up

You do not have to be a resident to register. The system allows for those who live outside the area but have family or own property in Tuolumne County. The system allows registrants to enter an address in the system so that they can be notified if that address falls within a designated area of a notification. Additionally, individuals may enter multiple locations, i.e. (parent’s house, children’s school, workplace, etc.). It is essential that you enter information into all data fields especially any address that you enter. The address must be verified within the system, no post office boxes. Without a valid address the system will not be able to locate you when we launch a notification.

With that said, we are hoping that you will share this information with family, friends, and neighbors.


Tracie Riggs

Tracie Riggs

OES Coordinator

Staff Directory

2 S. Green St.
Sonora, Ca. 95370

Ph: 209-533-5511
Fx: 209-533-5510

Monday - Friday
8 a.m. - 5 p.m.