Data centers in Pima County, Arizona
Pima County has 1 data center on the record; it is proposed. Pima County has a scorecard row with no rating yet, and a pause on new data centers is on the record. The latest decision on the record: Pima County Supervisors approved a 120 day data center moratorium with a 3-2 vote on Tuesday (September 23, 2026), with Supervisors Steve Christy and Rex Scott opposing, September 23, 2026.
How to read this page. Every count comes from the records on this page and links to where it is counted. Nothing is published until a person reads its source, and a figure no source gives reads Not disclosed; nothing is estimated. A rating changes only when a person sets it.
The data center in Pima County
Each row is one site with its stage, its latest dated entry and what its sources disclose. A figure no source gives reads Not disclosed.
Rancho Sahuarita data center
Sahuarita, Pima County
Latest, reported September 11, 2026: Town has not received applications for a data center project as of Wednesday prior to September 11, 2026 tucsonsentinel.com local outlet
- Land
- Not disclosed
- Power
- Not disclosed
- Water
- Not disclosed
- Tenant
- Not disclosed
Where
Drag with one finger to move the map, pinch to zoom. Tap a pin for the data center, a county for its rules
1 data center in Pima County: proposed. A dashed edge means the exact site is not in the public record; every pin here marks a town or the county.
The cities in Pima County on the record (1)
| City | Projects | Rules |
|---|---|---|
| Sahuarita | 1 | 1 |
What Pima County has decided
2 bodies, 14 decisions on the recordWhat the county and the cities in it have done about data centers: each body on its own row with its rating, open, case by case, restrictive or closed, never good or bad, and every vote, ordinance, moratorium or agreement behind its toggle, newest first, with its source.
Reported: the source's date; the item names no day of its own.
- Pima Countycounty
The resolution passed 3-2 with 120 day validity and possibility of extension, reported September 23, 2026.
14 acts on this row
- event
The resolution passed 3-2 with 120 day validity and possibility of extension
- moratorium adopted
Pima County Supervisors approved a 120 day data center moratorium with a 3-2 vote on Tuesday (September 23, 2026), with Supervisors Steve Christy and Rex Scott opposing.
- moratorium adopted
Pima County Board of Supervisors voted Tuesday to approve a temporary moratorium on data center development in unincorporated parts of the county for 120 days
- ordinance
Pima County proposed zoning code changes (Title 18) to define data centers, establish formal development review process, and set design and development standards including noise studies, mitigation plans, and Conservation Lands System compliance.
- event
Board approved both policy adjustments 4-1, with Supervisor Steve Christy voting no
- event
Pima County expanded environmental review policy to include large water and electricity users, defining large water users as those estimating use of 10,000 centum cubic feet or above
- event
Pima County set the initial term length for NDAs at six months with Board approval required for extensions
- event
First policy added new guidelines to the county's use of non disclosure agreements, including shortening duration and limiting who can sign.
- event
Pima County Board of Supervisors passed two policies governing future economic development projects following Project Blue data center.
- event
Amazon sought to restrict what officials in Pima County, Arizona could publicly discuss regarding a proposed $3.6 billion data center project
- event
Pima County released a 20 page review on the potential human health effects of large data centers with Johns Hopkins Bloomberg School of Public Health
- moratorium adopted
On Aug. 26, Pima County Board of Health passed unanimous motion advising supervisors to adopt the 120 day moratorium to prevent irrevocable public harm.
- moratorium
On August 12, the Pima County Board of Supervisors voted 3-2 to begin drafting a temporary, three month halt on data center development
- moratorium
At Aug. 11 meeting, supervisors voted 3-2 to draft the moratorium language, with Supervisors Rex Scott and Steve Christy voting no.
- event
- Sahuaritacity
No dated act on this row yet.
What happened
-
· Pima County
Scorecard event: The resolution passed 3-2 with 120 day validity and possibility of extension kjzz.org local outlet
-
· Pima County
Moratorium adopted: Pima County Supervisors approved a 120 day data center moratorium with a 3-2 vote on Tuesday (September 23, 2026), with Supervisors Steve Christy and Rex Scott opposing. azluminaria.org local outlet
-
· Pima County
Moratorium adopted: Pima County Board of Supervisors voted Tuesday to approve a temporary moratorium on data center development in unincorporated parts of the county for 120 days kjzz.org local outlet
-
· Pima County
Ordinance: Pima County proposed zoning code changes (Title 18) to define data centers, establish formal development review process, and set design and development standards including noise studies, mitigation plans, and Conservation Lands System compliance. kvoa.com local outlet
-
· Pima County
Scorecard event: Board approved both policy adjustments 4-1, with Supervisor Steve Christy voting no tucson.com local outlet
-
· Pima County
Scorecard event: Pima County expanded environmental review policy to include large water and electricity users, defining large water users as those estimating use of 10,000 centum cubic feet or above tucson.com local outlet
What was said
Rachel Walden was the lone nay vote
Disclosed figures
nothing disclosed by 1 record
Power, water, jobs and tax
| Figure | Disclosed total | Disclosed | Not disclosed | Basis | |
|---|---|---|---|---|---|
| Power | Not disclosed | 0 | 1 | Not disclosed by any of the 1 record | |
| Water, stated per day | Not disclosed | 0 | 1 | Not disclosed by any of the 1 record | |
| Water, stated per year | Not disclosed | 0 | 1 | Not disclosed by any of the 1 record | |
| Permanent jobs | Not disclosed | 0 | 1 | Not disclosed by any of the 1 record | |
| Tax each year | Not disclosed | 0 | 1 | Not disclosed by any of the 1 record |
Summed only where a record disclosed the figure; a record with no figure adds nothing and is counted as not disclosed. Water is summed per day and per year separately, as the sources stated it, and never converted. A tax claim given as a range is summed at both ends.
By what the facilities are for
| Use | Records | Power | Water | Jobs | Tax each year | |
|---|---|---|---|---|---|---|
| Not disclosed | 1 | Not disclosed | Not disclosed | Not disclosed | Not disclosed | Not disclosed: power, water, jobs, tax each year |
A record that lists several uses counts once under each. Each cell is the sum over the records with that use, disclosed rows only.
What the facilities are for
No source on file states what any of the 1 tracked facility in Pima County is for.
How the facilities are cooled
No source on file states how any of the 1 tracked facility in Pima County is cooled.
Cite this page
Data Center Record, "Data centers in Pima County, Arizona", https://datacenterrecord.org/states/az/pima-county, updated September 23, 2026.
Cite this page
Data Center Record, "Data center records in Pima County, Arizona", https://datacenterrecord.org/states/az/pima-county. Data: Data Center Record, datacenterrecord.org, CC BY 4.0.
The structured rows are CC BY 4.0. Link to this page; that is what turns a reuse into a citation. Prose stays under copyright.
The rows here are part of the Arizona export.
For researchers
- Place id
- us/az/pima-county
- Level
- county
- Census GEOID
- Not disclosed
- Rating value
- Not disclosed
- Scale word
- Not disclosed