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posted ago by jlbprof ago by jlbprof +25 / -0

Take this for what it is worth.

I asked DeepSeek an ai chatbot, about the data center water consumption problems that people are protesting about.

Regardless of whether what Deepseek says is true or not, I would rather not have a Datacenter in my backyard. I only wanted to seek the truth about the water issues.

Here is my conversation with DeepSeek.

Yes, a significant portion of new data centers, especially those designed for AI, are being built with either waterless cooling systems or closed-loop systems that do not consume water for daily operations.

Here is the breakdown of what is being deployed and why this shift is happening:

✅ The New Standard: Waterless & Closed-Loop Systems

Your understanding is correct—the industry is actively moving away from older, water-hungry cooling towers. The two primary approaches being deployed in new facilities are:

1. Waterless Cooling Systems These systems use air or a closed-loop refrigerant to remove heat, consuming zero water for cooling. They are a direct response to water scarcity concerns and community opposition.

  • Real-World Example: Edged US has secured approval for its second waterless AI data center campus in Irving, Texas. The company states this single facility will save more than 92 million gallons of water per year compared to conventional designs. They are building similar waterless campuses across the U.S., including in Phoenix (an arid region) and Chicago.

2. Closed-Loop Cooling Systems These systems recycle the same water repeatedly in a sealed loop, meaning they do not consume fresh water for daily operations.

  • How They Work: Unlike traditional systems that lose water to evaporation, closed-loop systems function more like a car's radiator. The water circulates continuously to absorb heat and then releases it, with virtually no loss.
  • Industry Adoption: Major water technology companies like Gradiant are now deploying closed-loop systems specifically for large-scale hyperscale data centers.

📈 The Industry Trends Driving This Shift

| Feature | Older/Traditional Systems | Modern Systems (Waterless/Closed-Loop) | | :--- | :--- | :--- | | Water Consumption | Consumes millions of gallons daily via evaporation | Zero consumption for cooling (WUE of 0.00) | | Cooling Method | Cooling towers that rely on evaporative cooling | Air cooling or sealed, recirculating liquid loops | | Why the Shift? | Inefficient; major source of community opposition in water-stressed regions | Required for high-density AI chips; improves energy efficiency; eliminates water concerns |

💡 Important Distinction: "Waterless" vs. "Closed-Loop"

While the terms are often used interchangeably to mean "water-saving," there is a slight difference:

  • Waterless (Air Cooling): Uses fans and refrigerants to cool the IT equipment directly, with zero water involved in the heat removal process.
  • Closed-Loop (Liquid Cooling): Uses water or a specialized fluid, but it is sealed in a pipe system that is constantly recycled. While the loop may contain water, the system consumes no water because it does not rely on evaporation.

Both achieve the same goal of eliminating the daily, consumptive water loss associated with old cooling towers.

🔍 How to Tell What a New Center is Using

If you want to verify the approach for a specific planned data center, look for these key terms in their announcements or environmental reports:

  1. "Waterless cooling" or "Zero-water cooling" : This is the clearest indicator of a system with no consumptive use.
  2. "Closed-loop cooling system" : This means they are recycling the same water, not consuming fresh supplies.
  3. "Direct-to-chip liquid cooling" : Often used in a closed loop to cool the most powerful AI processors.
  4. Water Usage Effectiveness (WUE) : A metric reported by many large operators. A WUE of 0.00 L/kWh is the target for waterless or closed-loop systems.

The shift to waterless and closed-loop systems is a direct response to both the technical demands of AI chips and the public's concern over water shortages. This means the "planned data centers" you are asking about are very likely using one of these modern, water-efficient methods.

I hope this information is helpful. Would you like to know about the efficiency of these new cooling systems in terms of energy use?