Moderate Risk California  ·  Flooding / Wildfire

Stanislaus County CA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
552,878
Area
1494
sq miles
Primary Hazard
Flooding / Wildfire
FEMA Disasters
34
federally declared

Stanislaus County in the Central Valley faces moderate flood risk from the Tuolumne and Stanislaus Rivers, compounded by wildfire risk in its eastern foothill communities bordering the Sierra Nevada. The 2017 Oroville Dam crisis required mass evacuations from downstream communities and highlighted the region's levee vulnerability.

// Preparedness Recommendations

  • Evacuation routes inland should be identified in advance.
  • Store at least 72 hours of food and water.
  • Elevate critical belongings above flood level.
  • Have backup power ready in case of grid failure.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Flooding / Wildfire
Secondary Hazard Earthquake
FEMA Flood Zone Zone X (Moderate Risk)
Federally Declared Disasters 34
Last Major Event Oroville Dam Crisis (2017)
Event Frequency Major event every 5–7 years

// Emergency Operations

Emergency Mgmt Phone (209) 525-6200
Emergency Shelters 20 designated facilities
Evacuation Routes SR-99 North, SR-99 South, SR-132 West, SR-108 East

// County Profile

County Stanislaus County CA
State California (CA)
Population 552,878
Area 1494 sq miles
FEMA Region Zone X (Moderate Risk)

// Major Cities

Modesto CA

// Cities in This County

// Other California Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

🌊
San Joaquin River Levee System CA
Major Dam  ·  Stockton, CA  ·  California DWR  ·  10-mi risk zone
8/10 High
🌊
Don Pedro Dam CA
Major Dam  ·  La Grange, CA  ·  Turlock and Modesto Irrigation Districts  ·  20-mi risk zone
7/10 High
🌊
New Melones Dam CA
Major Dam  ·  Copperopolis, CA  ·  US Bureau of Reclamation  ·  20-mi risk zone
7/10 High

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.