High Risk 🌊 Major Dam / Flood Control  ·  Texas

Mansfield Dam TX

CRITICAL INFRASTRUCTURE RISK PROFILE  ·  TEXAS

8 / 10
Risk Score
Facility Type
🌊 Major Dam / Flood Control
Primary Risk Radius
20
mile zone
Secondary Risk Radius
100
mile zone

// Risk Intelligence

Risk Score8 / 10   High
Facility Type🌊 Major Dam / Flood Control
Operator / BranchLower Colorado River Authority
Host CountyTravis County TX
Nearest CityWashington DC
Primary Risk Radius20 miles
Secondary Risk Radius100 miles

// Strategic Significance

Mansfield Dam on the Colorado River creates Lake Travis the primary water supply and flood control reservoir for Austin TX. The Highland Lakes chain including Lake Travis is the primary flood control system protecting Austin from Colorado River flooding. During heavy rain events the dam releases can cause flooding downstream.

// Civilian Impact Assessment

Austin TX with 1 million residents depends on Lake Travis for water supply and flood control. Downstream communities along the Colorado River face flooding risk from both dam releases and potential failure.

// Evacuation & Shelter Guidance

Texas Route 620, Texas Route 2769. Travis County Emergency Management coordinates with LCRA for dam operations and emergency response.

// Counties Within Risk Zone

// Cities Within Risk Zone