Tucson Project Blue Rejection
Tucson Rejection of Project Blue Data Center; Development Standards Pending
Tucson, AZ · Tucson Mayor and Council action, Aug. 6, 2025
- Status
- In effect
- Took effect
- August 6, 2025
- Applies to
- Data center developers seeking annexation, city land, or city water service
- Enforced by
- Tucson Mayor and Council; City of Tucson land-use and water authorities
On August 6, 2025, the Tucson City Council voted 7-0 to reject annexation and a development agreement for Project Blue, a roughly 290-acre data center campus that would have become the city's largest water user, after intense public opposition over secrecy and water use. The city is now drafting tighter rules for future data center development.
Who is protected: Tucson residents and municipal water customers
Legal detail
Unanimous Mayor and Council action ended annexation/development-agreement negotiations for Project Blue (~2,000 acre-feet/year projected water use); as of June 2026 Tucson is advancing data center development standards, while the project proceeds on unincorporated Pima County land.
Key facts
| Jurisdiction | Tucson, AZ |
|---|---|
| Level | City / local |
| Strength | Limited |
| Enacted | August 6, 2025 |
| Citation | Tucson Mayor and Council action, Aug. 6, 2025 |
| Topics | data-center siting and energy · AI disclosure and transparency |
| Agency page | Tucson City Council rejects Project Blue data center — AZ Luminaria |
More AI rules in Tucson, AZ
Related data-center siting and energy rules elsewhere
- Superior WI Data Center Moratorium (1-year) · In effect
- Dane County WI Hyperscale Data Center Moratorium · In effect
- Madison WI Data Center Moratorium (1-year) · In effect
- Manitowoc County WI Data Center Moratorium · In effect
- WA SB 5982 (Data Center / Clean Energy) · In effect
- Dayton OH data center moratorium (180-day, Apr 2026) · In effect
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