Google’s Massive Data Centres in US Spark Worry Over Scarce Western Water

Google wants to build at least two more data centres in The Dalles, worrying some residents who fear there eventually won't be enough water for everyone.

By Associated Press | Updated: 23 October 2021 18:54 IST

Google’s Massive Data Centres in US Spark Worry Over Scarce Western Water

Photo Credit: Reuters

Google said it's “committed to the long-term health of the county’s economy and natural resources"

Highlights

Google's move to construct data centres is raising public concerns
The Dalles is suffering extreme and exceptional drought
The US hosts 30 percent of the world’s data centres

Now a critical part of modern computing, data centres help people stream movies on Netflix, conduct transactions on PayPal, post updates on Facebook, store trillions of photos and more. But a single facility can also churn through millions of gallons of water per day to keep hot-running equipment cool.

Google wants to build at least two more data centres in The Dalles, worrying some residents who fear there eventually won't be enough water for everyone — including for area farms and fruit orchards, which are by far the biggest users.

Across the United States, there has been some mild pushback as tech companies build and expand data centres — conflicts likely to grow as water becomes a more precious resource amid the threat of climate change and as the demand for cloud computing grows. Some tech giants have been using cutting-edge research and development to find less impactful cooling methods, but there are those who say the companies can still do more to be environmentally sustainable.

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The concerns are understandable in The Dalles, the seat of Wasco County, which is suffering extreme and exceptional drought, according to the US Drought Monitor. The region last summer endured its hottest days on record, reaching 118 degrees Fahrenheit (48 Celsius) in The Dalles.

The Dalles is adjacent to the the mighty Columbia River, but the new data centres wouldn't be able to use that water and instead would have to take water from rivers and groundwater that has gone through the city's water treatment plant.

However, the snowpack in the nearby Cascade Range that feeds the aquifers varies wildly year-to-year and glaciers are melting. Most aquifers in north-central Oregon are declining, according to the US Geological Survey Groundwater Resources Program.

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Adding to the unease: The 15,000 town residents don't know how much water the proposed data centres will use, because Google calls it a trade secret. Even the town councillors, who are scheduled to vote on the proposal on November 8, had to wait until this week to find out.

Dave Anderson, public works director for The Dalles, said Google obtained the rights to 3.9 million gallons of water per day when it purchased land formerly home to an aluminium smelter. Google is requesting less water for the new data centres than that amount and would transfer those rights to the city, Anderson said.

“The city comes out ahead,” he said.

For its part, Google said it's “committed to the long-term health of the county's economy and natural resources.”

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“We're excited that we're continuing conversations with local officials on an agreement that allows us to keep growing while also supporting the community," Google said, adding that the expansion proposal includes a potential aquifer program to store water and increase supply during drier periods.

The US hosts 30 percent of the world's data centres, more than any other country. Some data centres are trying to become more efficient in water consumption, for example by recycling the same water several times through a centre before discharging it. Google even uses treated sewage water, instead of using drinking water as many data centres do, to cool its facility in Douglas County, Georgia.

Facebook's first data centre took advantage of the cold high-desert air in Prineville, Oregon, to chill its servers, and went a step further when it built a centre in Lulea, Sweden, near the Arctic Circle.

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Microsoft even placed a small data centre, enclosed in what looks like a giant cigar, on the seafloor off Scotland. After retrieving the barnacle-encrusted container last year after two years, company employees saw improvement in overall reliability because the servers weren't subjected to temperature fluctuations and corrosion from oxygen and humidity. Team leader Ben Cutler said the experiment shows data centres can be kept cool without tapping freshwater resources.

A study published in May by researchers at Virginia Tech and Lawrence Berkeley National Laboratory showed one-fifth of data centres rely on water from moderately to highly stressed watersheds.

Tech companies typically consider tax breaks and availability of cheap electricity and land when placing data centres, said study co-author Landon Marston, assistant professor of civil and environmental engineering at Virginia Tech.

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They need to consider water impacts more seriously, and put the facilities in regions where they can be better sustained, both for the good of the environment and their own bottom line, Marston said.

“It's also a risk and resilience issue that data centres and their operators need to face, because the drought that we're seeing in the West is expected to get worse,” Marston said.

About an hour's drive east of The Dalles, Amazon is giving back some of the water its massive data centres use. Amazon's sprawling campuses, spread between Boardman and Umatilla, Oregon, butt up against farmland, a cheese factory and neighbourhoods. Like many data centres, they use water primarily in summer, with the servers being air-cooled the rest of the year.

About two-thirds of the water Amazon uses evaporates. The rest is treated and sent to irrigation canals that feed crops and pastures.

Umatilla City Manager Dave Stockdale appreciates that farms and ranches are getting that water, since the main issue the city had as Amazon's facilities grew was that the city water treatment plant couldn't have handled the data centres' discharge.

John DeVoe, executive director of WaterWatch of Oregon, which seeks reform of water laws to protect and restore rivers, criticised it as a “corporate feel good tactic.”

"Does it actually mitigate for any harm of the server farm's actual use of water on other interests who may also be using the same source water, like the environment, fish and wildlife?" DeVoe said.

Adam Selipsky, CEO of Amazon Web Services, insists that Amazon feels a sense of responsibility for its impacts.

"We have intentionally been very conscious about water usage in any of these projects,” he said, adding that the centres brought economic activity and jobs to the region.

Dawn Rasmussen, who lives on the outskirts of The Dalles, worries that her town is making a mistake in negotiating with Google, likening it to David versus Goliath.

She's seen the level of her well-water drop year after year and worries sooner or later there won't be enough for everyone.

“At the end of the day, if there's not enough water, who's going to win?” she asked.

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