Sue Data Centers

State Guide

Data Centers in Iowa: Lawsuits, Disputes, and Your Rights

Iowa is where the water cost of AI became a national story: Microsoft's West Des Moines cluster drew about 11.5 million gallons in July 2022, roughly 6 percent of the local water district's use that month, while GPT-4 was being trained. Since then Iowa has produced a moratorium wave, one of the country's strictest county data center ordinances, and a live annexation fight in Salix. What Iowa neighbors can do, and how to tell us about your situation.

Iowa at a glance

Major market

Market size
Major; one of the largest hyperscale concentrations in the Midwest, with Google reporting more than $20 billion invested in Iowa since 2007
Hot spots
West Des Moines and the Des Moines metro (Microsoft), Council Bluffs (Google), Altoona (Meta), and new fights in Linn County, Palo, and Salix
Key operators
Microsoft, Google, Meta, with MidAmerican Energy as the utility behind several new sites
Documented disputes
Pending court challenges to the City of Salix's April 2026 annexation of roughly 900 acres tied to a MidAmerican Energy project with Google as prospective customer; the city moved to dismiss the residents' challenge on August 21, 2026
Statewide action
No statewide moratorium or data center statute. Iowa Capital Dispatch reported on August 26, 2026 that more than 25 Iowa counties and at least six cities had passed some form of data center moratorium, with the issue expected to be prominent in the 2027 legislative session

Key Takeaways

  • Iowa is where the water cost of AI stopped being theoretical. Reporting in September 2023 showed Microsoft's Iowa data center cluster drawing about 11.5 million gallons in July 2022, roughly 6 percent of all water used in the West Des Moines Water Works district that month, in the same stretch that OpenAI finished training GPT-4 there in August 2022.
  • The local water utility drew a line: it said it would consider future Microsoft data center projects only if they could demonstrate and implement technology that significantly reduces peak water use from then current levels, in order to protect residential and commercial supply.
  • The backlash is now local and fast. Iowa Capital Dispatch reported on August 26, 2026 that more than 25 Iowa counties and at least six cities had passed some form of data center moratorium.
  • There is live litigation. Woodbury County and three Salix residents separately went to court over the City of Salix's April 2026 annexation of roughly 900 acres tied to a MidAmerican Energy project, with Google named as prospective customer. The city moved to dismiss on August 21, 2026 and no court has ruled.
  • Iowa's nuisance statute is unusually explicit, and its farm nuisance shield does not cover data centers: Iowa Code section 657.11 protects only an animal feeding operation as defined in section 459.102.
  • Zoning appeal clocks are short and exact. Iowa Code sections 414.15 and 335.18 both require a certiorari petition to be presented to the court within thirty days after the decision is filed in the office of the board of adjustment.

Data centers in Iowa, from the registry

All 56 sites

56 sites on the public record: 24 operating, 7 under construction, 5 permitted, 18 proposed, 2 cancelled. 13 carry documented opposition or litigation. 3.3 GW planned.

By county, alphabetically. Each profile carries capacity, land, utility, water, subsidies, jobs, a timeline, and every source.

Adair County (1 site)

Black Hawk County (3 sites)

Boone County (1 site)

Clinton County (1 site)

Dallas County (5 sites)

Delaware County (1 site)

Dickinson County (1 site)

Dubuque County (2 sites)

Grundy County (1 site)

Hancock County (1 site)

Hardin County (2 sites)

Ida County (1 site)

Jasper County (1 site)

  • TierPoint Newton Data Center · Newton · TierPointOperating

Jones County (1 site)

  • ITS Iowa Data Center (Monticello) · Monticello · Infrastructure Technology Solutions (ITS)Operating

Linn County (6 sites)

Madison County (1 site)

Marshall County (2 sites)

Polk County (13 sites)

Pottawattamie County (3 sites)

Scott County (3 sites)

Sioux County (1 site)

Story County (2 sites)

Warren County (2 sites)

Woodbury County (1 site)

A new status, a permit, a reception finding, or a lawsuit. Nothing else, ever.

Can you sue a data center in Iowa? Iowa law gives you the tools, and Iowa neighbors are already in court, though so far over land use rather than damage to homes. Iowa matters more than its size suggests because it is where the water cost of artificial intelligence first became a public fact: in September 2023, reporting revealed that Microsoft's Iowa data center cluster pumped about 11.5 million gallons in July 2022, roughly 6 percent of everything the West Des Moines Water Works district used that month, during the same period OpenAI was finishing GPT-4 there. Three years later Iowa is in the middle of a moratorium wave, one county has written one of the strictest data center ordinances in the country, and a 900 acre annexation in the town of Salix is being fought in court. Here is where things stand and what you can do.

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Next to a Iowa data center? Tell us about your situation.

The data center footprint in Iowa

Iowa recruited hyperscalers early and hard, and it worked. Google says it has invested more than $20 billion in Iowa since 2007, beginning with a $600 million commitment in Council Bluffs, and in 2025 announced a further $7 billion to expand Council Bluffs and build a new campus in Cedar Rapids. Google reports that its Iowa operations generated $2.7 billion in economic activity for Iowa businesses, nonprofits, publishers, creators, and developers in 2025. Meta's campus in Altoona, east of Des Moines, has expanded repeatedly. Microsoft built a cluster of facilities in and around West Des Moines that became, for a while, the physical home of the most consequential AI model on earth.

The ingredients were cheap wind power, flat land, generous tax treatment, and water. The last one is the one nobody priced. Iowa's aquifers and river systems support farms, small municipal utilities, and now cooling loops that run hardest in exactly the weeks when everything else in a Midwest summer is also drawing hard.

The new wave looks different from the old one. Instead of landing in an industrial park on the edge of a metro, projects are being proposed on farmland next to small towns, brought by utilities as much as by tech companies. That is why the fights of 2026 are happening in Palo, in Linn County, and in Salix rather than in West Des Moines.

What Iowa residents are dealing with

Iowa's concerns are documented in unusual detail, because a national story put numbers on them:

  • Water, with receipts. Reporting published in September 2023 found that in July 2022 roughly 11.5 million gallons were pumped to the Iowa data center cluster, about 6 percent of all water used in the West Des Moines Water Works district that month. Microsoft withdraws water when temperatures exceed about 85 degrees Fahrenheit, which is to say at the peak of demand. The same reporting showed Microsoft's global water consumption rose 34 percent from 2021 to 2022 to nearly 1.7 billion gallons, and Google's rose 20 percent over the same period, with Google drawing more potable water to its Council Bluffs data centers than anywhere else in its operations.
  • A utility drawing a line. West Des Moines Water Works said it would consider future Microsoft data center projects only if those projects could demonstrate and implement technology that significantly reduces peak water use from then current levels, to protect residential and commercial supply. That is a municipal water utility conditioning growth on efficiency, in writing.
  • Scale on the next projects. Google's proposed 545 acre project north of Palo in Linn County, known as Project Meridian, was reported to contemplate drawing up to 14 million gallons per day from the Cedar River. Google also signed a 25 year agreement with NextEra Energy under which it would take more than 90 percent of the output of the restarted Duane Arnold nuclear plant.
  • Process shock. In Salix, roughly 900 acres of farmland were annexed in April 2026 before residents knew what the ground would be used for. Meetings have been contentious enough that a Salix city council meeting was postponed in August 2026 after threats tied to the data center debate.

What is not documented in Iowa, as of September 2026, is a resident nuisance, noise, or well damage suit against a data center operator. The fights so far are over land use and process.

Tell us about your situation

Living next to a Iowa data center? Tell us about your situation.

Tell us the basics. Where a participating attorney in your state is available, we may share your information with them with your consent. Free, no obligation, and no guarantee anyone will contact you.

Lawsuits and disputes in Iowa

The Salix annexation challenges (pending). In April 2026 the City of Salix, in Woodbury County, voluntarily annexed roughly 900 acres of farmland. MidAmerican Energy had initiated a project there and by early August 2026 Google was identified as the prospective customer. Woodbury County took the annexation to court, and three Salix residents filed a separate challenge alleging four defects: that four of the five annexation applications covered land not actually adjoining the city, that the city did not consult the county before the hearing, that adjacent landowners did not receive 14 days written notice, and that a proper boundary map was not filed. The City of Salix moved to dismiss on August 21, 2026. No court has ruled. Read the full case file on the Salix annexation fight.

Woodbury County's moratorium. On June 23, 2026 the Woodbury County Board of Supervisors adopted Resolution 14064, barring acceptance, processing, consideration, or approval of data center applications in unincorporated parts of the county for twelve months. The board cited the absence of any distinct data center classification in its zoning ordinance and the substantial water use, electrical consumption, continuous mechanical noise, and large scale cooling infrastructure these facilities bring. The Salix City Council, by contrast, voted 3 to 2 against a one year city moratorium, reported August 21, 2026.

Linn County's ordinance and pause. Linn County adopted a large scale data center ordinance on February 18, 2026 creating an EU-3 zoning district that requires a project to complete a water study showing sufficient supply and explaining effects on current users, groundwater, and surface water; to sign a water use agreement with the county covering tracking, reporting, and coordination during emergencies or shortages; and to enter an economic development agreement covering community benefits. On July 1, 2026 the county added an 18 month moratorium on new EU-3 rezoning applications, running to January 1, 2028. Google, which had proposed its Palo area project in unincorporated Linn County, moved instead to pursue development through annexation into the City of Palo.

The statewide picture. Iowa Capital Dispatch reported on August 26, 2026 that more than 25 Iowa counties and at least six cities had passed some form of data center moratorium, with organized campaigns on both sides: Iowa Citizens for Community Improvement, the Sierra Club's Iowa chapter, and the Hubbell Environmental Law Initiative at the University of Iowa pressing for limits, and the Growing Iowa's Economy coalition and the Technology Association of Iowa pressing the other way. Data centers are expected to be a prominent issue in the 2027 legislative session.

If you live near an Iowa data center

Build the record before you need it. If you are on a well, test it and keep the results with dates. Photograph your property. Keep a dated log if noise, dust, traffic, or light ever becomes noticeable. If a project is proposed near you, request the water study, the permit file, any development or water use agreement, and the annexation paperwork, and go to the hearings with written comments.

And if a decision has already been made near you, do not wait. Iowa's board of adjustment appeal window is thirty days from the filing of the decision, which passes quickly. Our free intake form lets you tell us what is happening; where a participating attorney who handles these matters in Iowa is available, we may share your information with them with your consent, but we cannot promise that anyone will contact you.

Iowa cases we are tracking

  • Salix, Iowa: The Annexation Fight Standing Between a Cornfield and a Data Center

    The town of Salix, Iowa annexed roughly 900 acres of Woodbury County farmland in April 2026. MidAmerican Energy started the project and Google was named as the prospective customer in August 2026. Woodbury County went to court over the annexation, three Salix residents filed their own challenge alleging four defects in the process, and the city moved to dismiss on August 21, 2026. No court has ruled. What the case turns on and why annexation is becoming the front line.

  • Ames, Iowa Has Not Decided Yet. A Data Center Is Proposed on City Land, and Residents Can Still Apply to the Committee That Advises the Vote.

    LightEdge asked the City of Ames to negotiate a lease for 10.86 acres of airport land for a colocation data center that would draw 3 megawatts at first and 25 megawatts at full buildout. Nothing has been approved. About 400 people turned out for a June 30, 2026 listening session, the Council ordered a study committee on July 28, and applications to sit on that committee close September 9, 2026. No lawsuit has been filed. Here is the record and what is still undecided.

Frequently asked questions

Can I sue a data center in Iowa?

Iowa law allows nuisance, negligence, and property damage claims against a facility that seriously harms your home. Iowa Code section 657.1 expressly permits a civil action to enjoin and abate a nuisance and recover damages, and section 657.2 lists offensive trades and the fouling of water among specific nuisances. Iowa's agricultural nuisance shield in section 657.11 does not apply, because it protects only animal feeding operations. As of September 2026 the documented Iowa data center litigation is over land use, not home damage.

How much water do Microsoft's West Des Moines data centers use?

Reporting published in September 2023 found that about 11.5 million gallons were pumped to the Iowa data center cluster in July 2022, roughly 6 percent of all water used in the West Des Moines Water Works district that month, during the period OpenAI finished training GPT-4 there. The water utility later said it would consider additional Microsoft data center projects only if they demonstrate and implement technology that significantly reduces peak water use.

Is there a data center moratorium in Iowa?

Not statewide, but widely at the local level. Iowa Capital Dispatch reported on August 26, 2026 that more than 25 Iowa counties and at least six cities had passed some form of data center moratorium. Woodbury County adopted a twelve month moratorium for unincorporated areas on June 23, 2026, and Linn County added an 18 month pause on new large scale data center rezoning applications effective July 1, 2026 through January 1, 2028.

How long do I have to appeal a data center zoning decision in Iowa?

For a decision of a board of adjustment, Iowa Code section 414.15 for cities and section 335.18 for counties both require the petition to be presented to the court within thirty days after the decision is filed in the office of the board. Filing does not automatically stop the project; section 335.19 says the writ does not stay proceedings, though a court may grant a restraining order. Other kinds of land use decisions follow different routes, so confirm yours with an Iowa attorney immediately.

What is happening with the data center in Salix, Iowa?

The City of Salix annexed roughly 900 acres in April 2026 for a project initiated by MidAmerican Energy, with Google identified as the prospective customer in early August 2026. Woodbury County and three Salix residents separately challenged the annexation in court, the residents alleging four procedural defects, and the city filed a motion to dismiss on August 21, 2026. No court has ruled and no facility has been approved.

Will data centers raise my electric bill in Iowa?

Large new loads drive grid investment, and whether households share those costs depends on how utility filings are treated at the Iowa Utilities Commission. Other states have created dedicated data center rate classes to keep those costs off residential bills. Iowa ratepayers can follow and participate in the relevant commission dockets, which is where that question gets decided.

Is a data center disrupting your home in Iowa?

Tell us what is happening. Where a participating attorney who handles data center cases in your state is available, we may share your information with them with your consent. It is free and carries no obligation, but we cannot promise that anyone will contact you.

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