Nothing reported in Unincorporated Jefferson County yet
Who decides here: the Jefferson County Board of Supervisors decides on zoning for land outside city and town limits.
Local votes and rules
📜 Data center rules
Supervisors voted 3-0 to pass a data center ordinance in one day and then a 12-month pause on building data centers in the countryside. The rules cover sites using 5 megawatts or more, including crypto mining. Land with a crop rating of 55 or higher is treated as better for farming. The ordinance does not regulate water.
Aug 11, 2026Source
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled
What you can do
- Get told first.
We'll email you if anything changes in Unincorporated Jefferson County. - Go to county meetings.
Anyone can speak. Big projects usually need a public hearing. - Ask questions in writing.
Use our checklist.
🔔 Get told first
⚡ Your electric company
Depending on where you live in Unincorporated Jefferson County: Access Energy Co-op (co-op (owned by its members)) or Interstate Power and Light Co. (company).
Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Iowa.