What Data Centers Could Mean for Marion County: An Explainer

OCALA, FL (352Today.com) – Every text message, Google search, TikTok video and ChatGPT reply has to live somewhere. Data are not an invisible, weightless notions floating in the cloud. Data require electricity, cooling, land and water. And the places that house data are called data centers.

As artificial intelligence, social media, and smartphones have become permanent fixtures of daily life, the infrastructure that makes them possible has grown just as quickly, often faster than the public conversation about what that growth actually costs. In Marion County, that conversation is now unavoidable.

After the July 21, 2026, Marion County Board of County Commissioners meeting, residents took to social media to voice strong opposition to data centers in the county and to the very idea of holding a workshop on the subject. That workshop is now scheduled for Sept. 1, 2026. The overwhelming majority of public comments online reflected not just resistance, but confusion and anxiety about what data centers really are, how much water and power they use, and what their arrival could mean for a community already wrestling with growth and limited resources.

The tension is real. So is the information gap. Many residents may say they do not yet know enough about data centers to feel anything but uneasy. This explainer aims to close some of that gap, starting with what a data center actually is, why they are proliferating, and what the impacts might be.

What is a Hyperscale Data Center?

There are different types of data centers. The dicey local debate deals with the hyperscale data centers that are being considered in Marion County. A hyperscale data center is a humongous facility, usually operated by a company like Amazon, Google, or Microsoft, that houses tens of thousands of servers and is built to handle enormous amounts of data and computing power for cloud services and artificial intelligence.

Why are they spreading so fast?

Data centers are snowballing at a speedy rate because they’re the backbone of the modern digital economy. Just like the dot-com boom of the late ’90s, driven by internet startups, the need for data centers is driven by the current AI boom and resultant demand. What used to support business software and basic cloud services now mainly has to handle much more demanding AI work, especially the training and operation of large language models (LLMs), the core engine behind generative AI. Generative AI is a smart computer program that can use digested information to create new things on its own, like writing a story, making pictures, or composing music, by learning patterns from the huge amounts of data it’s been trained on.

Hyperscalers and cloud providers are racing to secure land because the steady rise in everyday digital services, combined with the huge computing power AI needs, has made building hyperscale data centers a structural necessity rather than a cyclical trend.

Unless humanity decides it wants to go back to the days before everything was a “dot com,” we need data and its centers.

A local comparison

Our neighbors over in The Swamp have had a data center for 14 years.

The University of Florida’s East Campus Data Center in Gainesville, built in 2012 for $14.5 million, is a modest 26,000-square-foot research facility designed to keep running through a Category 4 hurricane and home to the powerful HiPerGator supercomputer. Unlike the much larger commercial hyperscale campuses proposed across Florida, UF’s center serves education and research, not private industry.

The water question

Any hyperscale data center built in Marion County will leave a mark on the local water supply. The biggest use for water with regard to data centers is cooling. Servers running around the clock generate intense heat. In many facilities, water absorbs that heat and then evaporates, much like a giant evaporative cooler. Some of that water is lost permanently. Closed-loop systems recycle more of it, but even those lose water through evaporation and maintenance. Depending on the size of the facility, the cooling technology, and Florida’s hot climate, a single large data center can use anywhere from hundreds of thousands to several million gallons a day.

Water demand is not the same everywhere. Researchers have shown that location matters a lot. A data center in one region can use far less water for the same amount of computing than one in another, simply because of climate, water availability and how the local power grid is fueled.

A 2026 paper in Water Biology and Security put it plainly: “The proliferation of DCs is increasing energy and water stress in the U.S.”

Its authors also looked beyond total gallons and carbon emissions. They examined how data centers could affect fish, mussels and other aquatic life. River systems that drain toward the Atlantic tend to support higher diversity of these species. Putting large water users in those watersheds, they warned, could expose more species to scarcity. Higher summer demand for hydropower to keep data centers running may also intensify the effects of warming on rivers and streams.

Florida already sits close to the edge on groundwater. A 2023 review in Sustainability noted that groundwater supplies roughly 63 percent of the state’s overall water use and 85 percent of its public supply. Even with average annual rainfall of about 54 inches, “fresh groundwater withdrawal is currently close to the limits of sustainability in much of the state.” Saltwater intrusion remains an ongoing threat along the coast because of the porous aquifer and low elevation.

According to the independent Florida Data Centers tracker, Marion County currently scores a moderate 55 out of 100 for data-center development risk. Available land and nearby power help the score; limited in-county generation and water constraints pull it back. The county straddles two water management districts and was under a Phase 1 Moderate Water Shortage declaration earlier this year. That raises the bar for any large consumptive-use permit. A typical hyperscale facility using evaporative cooling can require 1 to 5 million gallons a day.

No active project has been announced in Marion County. Statewide rules leave final siting decisions with local commissions while requiring large power users to cover their own infrastructure costs.

A local voice on the stakes

A local observer has been raising concerns about Florida’s water supply for years. John M. Dunn, author of “Drying Up: The Fresh Water Crisis in Florida (University Press of Florida, 2019), which won the Florida Historical Society’s Stetson Kennedy Award and a Bronze Medal in the 2019 Florida Book Awards, has documented the state’s water troubles in detail. At a recent author’s forum at the Dunnellon Public Library, he was asked to summarize his book.

“My book,” he said, “is about Florida’s insane attempt to destroy its fresh water supply,” Dunn said. “It’s no secret that the nation’s second wettest state is having severe water supply problems. State economists, water managers, scientists, and activists have been warning us for years that the Sunshine State’s once abundant water supply seemingly is vanishing.

“Which is an odd claim to make when you consider that Florida receives 55 trillion gallons of water a year and only uses one trillion gallons, and therefore apparently shouldn’t have water woes. But it does.”

He pointed to population growth, tourism, lawn irrigation that consumes more than half of drinking water, leaky infrastructure, pollution, inadequate stormwater systems, untreated wastewater, toxic algae blooms, saltwater intrusion and the destruction of natural hydrology by development and agriculture.

“And now the Big Tech companies want to set up land-consuming, noisy, water and electricity-guzzling data centers across this water-stressed state and beyond,” Dunn said.

“Ocalans should note this: According to The Oregonian, in April 2026, a Google data center was using 40 percent of the Dalles, Oregon’s freshwater supply. Given all this… That our elected officials are even considering data centers is a sign that Florida Lunacy is in full bloom,” he said.

Are there any benefits?

Data center defenders can feel isolated in a debate that often focuses almost entirely on water and power. How, some residents ask, could anyone support these buildings if they might harm the environment? Supporters answer that the economic side of the ledger is real and should be part of the conversation, too.

Building a large facility can put hundreds or even thousands of electricians, plumbers, equipment installers and construction workers on the job for months or years. Once it is running, the center still needs permanent staff for equipment support, electrical systems, operations and security. A 2026 Brookings Institution study found that counties landing their first big data center saw overall private employment rise 4-5 percent over five or six years, with construction jobs up about 11 percent, information-sector jobs up roughly 22 percent, and wages growing 3-4 percent. A National Bureau of Economic Research (NBER) working paper reached similar conclusions, showing gains in total employment, data-processing and construction jobs, the number of local businesses, wages and tax returns.

Ross Marchand of the Taxpayers Protection Alliance puts the case bluntly: Rejecting these projects means “saying no to tax revenue, you’re saying no to jobs, you’re saying no to six-figure blue collar salaries.”

For rural and mid-sized Florida counties that lack strong tourism economies, that steady private investment and the related businesses that often follow can matter. The environmental questions remain serious, supporters say, but they argue the economic benefits deserve a place at the table as well.