Local votes and rules
⏸️ Pause on new data centers · Unincorporated St. Charles County
County council voted unanimously for a 6-month pause. No new large data centers or expansions can be approved while the county studies effects on health, water, power bills and quality of life.
⏸️ Pause on new data centers · Wentzville
Board of Aldermen approved a 6-month pause on new large data centers so staff can study effects on power, water and neighbors. The city says it has had no formal data center applications.
🚫 Ban · St. Charles
City council voted 7-1 for Bill 14085. Data centers are no longer allowed in any zoning district in the city, so large data centers are banned. It makes the 2025 pause permanent.
⏸️ Pause on new data centers · St. Charles
City council voted unanimously in a special meeting to stop taking applications for new or bigger data centers for one year. It came after anger over a secret AI data center plan near the city's wells. In May 2026 a permanent ban replaced it.
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In Missouri, cities and towns decide inside their limits. Outside them, the county decides.
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