Johnson County IA One-Year Data Center Moratorium
Johnson County, IA · One-year moratorium adopted unanimously by Johnson County BoS on or about 2025-11-08
In November 2025, the Johnson County (IA) Board of Supervisors unanimously and without debate adopted a one-year moratorium on rezoning applications, site plans, and building permits for data centers in unincorporated Johnson County. The moratorium expires November 8, 2026. The moratorium does not affect Iowa City, North Liberty, or Coralville (incorporated cities within the county). Stated rationale was concern about energy and water resources in unincorporated areas.
Technical detail
One-year moratorium adopted unanimously by Johnson County BoS on or about 2025-11-08. Scope: rezoning, site plans, building permits for DCs in unincorporated areas only. Expires 2026-11-08.
Who is protected: Johnson County, IA residents
Who must comply: Data-center developers and operators seeking permits, rezonings, or approvals in Johnson County, IA
Key facts
| Jurisdiction | Johnson County, IA |
|---|---|
| Level | County |
| Status | In effect |
| Protection strength | Stronger protection |
| Effective date | 2025-11-08 |
| Enacted | 2025-11-08 |
| Citation | One-year moratorium adopted unanimously by Johnson County BoS on or about 2025-11-08 |
| Enforced by | Johnson County, IA government |
| Topics | data-center siting and energy |
| Last verified | 2026-06-25 |
| Official source | Temporary moratorium on data centers in eastern Iowa county (Radio Iowa) ↗ |
Related data-center siting and energy rules elsewhere
- SB 484 (FL Data Center Costs) · In effect
- Maine Data Center Moratorium (vetoed) · Vetoed
- VA Data Center Siting Bill (Vetoed) · Vetoed
- VA Data Center Tax Exemption · In effect
- VA Data Center Cost-Allocation Law · In effect
- Texas SB 6 (Data Center Grid Law) · In effect
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