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

Missouri sits on the edge of the Midwest data center wave. The Kansas City metro, with cheap land, fiber, and power, has drawn steady interest on both sides of the state line, and developers have pushed into smaller communities: Diode Ventures proposed the $1.5 billion, 504 acre Project Harper in Peculiar, south of Kansas City, and developer CRG advanced a $6 billion data center project in Festus, in Jefferson County south of St. Louis.

Neither community had hosted anything like a hyperscale campus before, and in both, the speed and opacity of the approval process, not just the projects themselves, became the flashpoint.

Missouri's disputes so far are about process and consent rather than operating impacts:

• Deals negotiated out of view. The Festus suit alleges city officials received serial private briefings in sub quorum groups of three, a pattern the plaintiffs say was designed to evade Missouri's Sunshine Law, and that the public got a 29 page development agreement on a Friday before a Monday vote.
• Rezonings that residents felt were done to them, not with them. In Peculiar, the backlash to Project Harper was strong enough that the Board of Aldermen removed the data center definition from the light industrial code entirely, blocking the project.
• Political consequences. Peculiar voters ousted half the city council after the project fight, and a petition sought the mayor's removal. In an emerging market, elections are part of the toolkit.

Because no large campus is operating near homes in Missouri yet, the noise, water, and dust complaints seen in mature markets have not materialized here. Residents near approved sites should document baseline conditions before construction, as our evidence guide explains.

Wake Up JeffCo v. City of Festus (pending). Filed April 8 to 10, 2026, this 12 count, 54 page suit by the opposition group and four property owners names the City of Festus and developer CRG. It alleges Sunshine Law violations in how the $6 billion project was approved, including the serial private briefings and the last minute release of the development agreement, and asks the court to void the rezoning and the development contract. The case is pending as of August 2026. Read our full case study: the Festus Sunshine Law lawsuit.

Peculiar's Project Harper (no lawsuit). No litigation was filed in Peculiar, and none was needed: the Board of Aldermen deleted the data center use from the light industrial code, blocking Diode Ventures' 504 acre project, and the electorate then remade the city government. It is one of the clearest examples in the country of a data center defeated by ordinance and election rather than by a judge.

Missouri residents facing a data center have several paths, most of them already proven in the state:

• Sunshine Law claims. Missouri's open meetings and records law gives citizens standing to challenge approvals reached through closed or serial deliberations, exactly the theory of the pending Festus suit, which seeks to void the rezoning itself.
• Zoning challenges and ordinance pressure. Rezonings can be contested on procedural grounds, and Peculiar showed that a city can amend its own code to exclude data center uses before a project vests.
• Elections, petitions, and recalls. Not a courtroom tool, but in Missouri it has been the most decisive one so far.
• Private nuisance and property damage claims if a facility is built and its noise, dust, or construction impacts harm your home, seeking damages and mitigation. These are typically handled on a contingency fee basis.

Timing matters everywhere: challenges to approvals run on short clocks, and damage claims carry statutes of limitations that vary by claim type. A Missouri attorney can confirm the deadlines for your situation; our guide to lawsuit deadlines covers the general rules.

If a project is proposed or approved near you, act while the record is fresh: request the approval documents and meeting minutes under the Sunshine Law, save every public notice, attend and speak at hearings, and keep dated notes. If construction has started, photograph conditions, log noise and truck traffic, and test your well if you have one.

Then get a professional read on your options. Our free intake form lets you tell us what is happening; where a participating attorney who handles these matters in Missouri is available, we may share your information with them with your consent, but we cannot promise that anyone will contact you.