Water Stress Score (WSS)

San Antonio TX Water Risk

Water stress analysis and cooling infrastructure assessment for AI datacenters in San Antonio TX.

Summary • 6 Data Sources

What is the water stress score for San Antonio TX?

The Water Stress Score (WSS) for San Antonio TX is 45/100, rated as Medium stress. This indicates medium risk for datacenter cooling operations.

Key Data Points

  • Water Stress Score: 45/100
  • Stress Band: Medium
  • Drought Risk: 35/100
  • Regulatory Risk: 20/100

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Water Stress Score

45
/ 100 score
Medium water stress risk

Drought Risk

35
/ 100 score
Moderate drought exposure

Regulatory Risk

20
/ 100 score
Moderate permit complexity

ISO Region

ERCOT
grid region
Power cost: $0.05/kWh

Methodology

The Water Stress Score (WSS) evaluates municipal water availability, drought probability, and regulatory permit complexity for datacenter cooling operations. Scores above 60/100 indicate high water stress regions where evaporative cooling may face operational or regulatory challenges.

Data Sources

  • EPA WaterSense regional data
  • US Drought Monitor historical data
  • State-level water permit requirements
  • Municipal water moratorium records
Critical Market Intelligence

The 'Water & Cooling' Chapter

  • Download WSS methodology and scoring criteria.
  • Cooling technology alternatives by water stress level.
  • Municipal permit requirements by state.

Recent Market Changes

Water Stress Score↑ 8.4%

Phoenix water stress score increased to 78.4, indicating higher drought risk for datacenter cooling.

Phoenix, AZ • 2026-02-24
Water Stress Score↑ 7.4%

Dallas-Fort Worth water stress score rose 7.4% as drought conditions intensified.

Dallas-Fort Worth, TX • 2026-02-24
Baseline Stress↓ 9.5%

Northern Virginia baseline water stress decreased 9.5%, improving datacenter cooling reliability.

Ashburn, VA • 2026-02-24

Last updated: 2026-05-17 • Data sources: WSA Analytics • Methodology

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