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

Salix is a small community in Woodbury County, in the far northwest corner of Iowa near the Missouri River. In April 2026 its city council completed a voluntary annexation covering roughly 900 acres of adjacent farmland. Voluntary annexation in Iowa is a procedural act by the city, not a countywide vote, and it moves land from the county's jurisdiction into the city's.

Residents learned what the ground might be used for afterward. MidAmerican Energy confirmed in June 2026 that a data center discussion was underway in Salix. In early August 2026, Google was identified as the prospective customer. As of that reporting, water and energy use for the project had not been finalized, and the city said no zoning vote was scheduled.

That sequence, annex first and explain later, is what put the case in court. It is also the pattern residents in other states have run into: by the time a project has a name, the land use decisions that mattered most have already been made.

Three Salix residents filed a challenge arguing the city failed to follow Iowa annexation law. Their petition, as reported, raises four defects:

• Four of the five annexation applications involved land that did not actually adjoin the city's borders.
• The city did not consult with Woodbury County before the hearing.
• The city did not provide 14 days written notice to adjacent landowners.
• The city did not file a proper map showing the full city boundary together with the annexed territory.

These are process claims, and process claims are how neighbors have won elsewhere. They do not ask a court to decide whether a data center is a good idea. They ask whether the government followed the steps the legislature wrote down. We are not endorsing these allegations; they are contested and untested, and the City of Salix filed a motion to dismiss on August 21, 2026.

Woodbury County pursued its own court challenge to the annexation, which Iowa Public Radio reported was still pending as of late August 2026. A county and a city fighting over the same square mile is unusual, and it tells you how much jurisdiction is worth when a hyperscale project is on the table.

It is worth being precise about what the public record does not yet show. There is no reported case caption or docket number in the coverage we reviewed, no ruling on the motion to dismiss, no zoning vote, no approved site plan, and no published water or power figures for the project. Google, for its part, said it appreciated the council's decision and committed to engaging directly and transparently with Salix residents. Nobody has alleged that anything on the annexed ground has harmed a home, because nothing has been built on it.

On June 23, 2026, the Woodbury County Board of Supervisors adopted Resolution 14064, a 12 month moratorium barring the acceptance, processing, consideration, or approval of data center applications in unincorporated Woodbury County. The board's stated reasons were plain: the county's zoning ordinance had no distinct classification for modern data centers, and the facilities bring substantial water use, electrical consumption, continuous mechanical noise, and large scale cooling infrastructure that the county wanted time to write standards for.

That moratorium applies only to unincorporated land. Annexed land is not unincorporated. So the annexation question and the moratorium question are the same question wearing different clothes.

The city, for its part, declined to impose its own pause. Reported on August 21, 2026, the Salix City Council voted 3 to 2 against a one year municipal moratorium. Supporters of the pause wanted a cooling off period to commission impact studies and update the city's zoning ordinance before committing; opponents wanted to open conversations with the prospective developer first. Tensions had run high enough that a Salix city council meeting was postponed in August 2026 after threats connected to the data center debate. The Winnebago Tribe of Nebraska passed a resolution opposing hyperscale data center development in the area.

Iowa has seen this jurisdictional move before, and recently. In Linn County, on the other side of the state, Google proposed a large scale data center in unincorporated territory, then shifted toward pursuing the project through annexation into the City of Palo after the county adopted a strict large scale data center ordinance in February 2026 and an 18 month pause on new rezoning applications effective July 1, 2026. Two counties, two projects, the same maneuver.

If you live in a rural area near a small town, Salix is the case to understand, because the mechanism is portable:

• Watch annexations, not just rezonings. An annexation can move your neighbor's field out from under county rules months before any project is named. Annexation notices, city council agendas, and county consultation records are the early warning.
• Notice defects are real defects. Iowa annexation law has adjoining land, notice, consultation, and mapping requirements. In other states, courts have voided approvals over defective public notice. Whether these particular claims succeed is for a judge.
• The county may be your ally, or your obstacle. In Woodbury County the county government itself went to court. Elsewhere the roles are reversed. Find out early which body actually holds the zoning power over the parcel in question.
• Deadlines are short and specific. Iowa's clocks on land use challenges run in days, not months. If a decision near you has already been made, the time to talk to a lawyer is now, not after construction starts.

Our free case review connects you with an independent attorney in our network who handles data center matters in your state. The connection costs nothing and you hire no one unless you choose to. If you want the wider picture first, our guide to fighting a proposed data center and our Iowa state page cover the rest of the landscape.