// Risk Intelligence
| Risk Score | 8 / 10 High |
| Facility Type | 🌊 Major Dam / Flood Control |
| Operator / Branch | Bureau of Reclamation |
| Host County | Shasta County CA |
| Nearest City | Washington DC |
| Primary Risk Radius | 100 miles |
// Strategic Significance
Shasta Dam on the Sacramento River is the cornerstone of the Central Valley Project supplying irrigation water to California's agricultural heartland and drinking water to millions. Lake Shasta is California's largest reservoir. The dam provides flood control for the Sacramento Valley protecting Sacramento and downstream communities. Its failure would devastate Central Valley agriculture and threaten Sacramento with catastrophic flooding.
// Civilian Impact Assessment
A Shasta Dam failure would send catastrophic flooding down the Sacramento River through Redding and the Sacramento Valley toward Sacramento — California's state capital. The Sacramento River below Shasta supports massive agricultural operations. The failure would also eliminate flood control protection for the valley leaving all downstream communities vulnerable to any future rainfall events.
// Evacuation & Shelter Guidance
Redding and Sacramento River communities downstream of Shasta Dam have dam failure inundation maps available from Bureau of Reclamation. Know your zone — communities from Redding to Sacramento face inundation risk. Move immediately to high ground away from the Sacramento River valley upon any dam emergency alert. Monitor California OES broadcasts and Sacramento River gauge stations.
// Recommended Preparedness Gear
Essential preparedness items for residents within the 100-mile risk zone of Shasta Dam CA.
72-Hour Emergency Food Kit View on Amazon → Water Filtration System View on Amazon → Portable Generator View on Amazon →* ThreatMap USA participates in the Amazon Associates Program.