Kasey Fowler-Finn, St. Louis University professor
Data center noise is concentrated in low frequencies, making it sound like a hum that stands out from mid- to high frequency city noise
Data centers in St. Louis, Missouri
St. Louis has 5 data centers on the record: 2 running and 3 proposed. No city rule about data centers is on the record for St. Louis yet. St. Louis city's own decisions are on the St. Louis city page.
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 5 data centers in St. Louis
Newest activity firstEach row is one site with its stage, its latest dated entry and what its sources disclose. A figure no source gives reads Not disclosed.
St. Louis Midtown Data Center
St. Louis, St. Louis city
Latest, reported September 24, 2026: Armory data center in Midtown is approved before new St. Louis regulations and is regulated by conditional use permit with different sound policies stlpr.org local outlet
- Land
- 11 acresthird party estimate
- Power
- 300 MWthird party estimate
- Water
- Not disclosed
- Tenant
- Not disclosed
- Land
- Not disclosed
- Power
- Not disclosed
- Water
- Not disclosed
- Tenant
- Not disclosed
St. Louis Armory Data Center
St. Louis, St. Louis city
Latest, reported September 17, 2026: The project is planned at an 11 acre site in the old Famous Barr warehouse. stlpr.org local outlet
- Land
- Not disclosed
- Power
- Not disclosed
- Water
- Not disclosed
- Tenant
- Not disclosed
- Land
- Not disclosed
- Power
- Not disclosed
- Water
- Not disclosed
- Tenant
- Not disclosed
- 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
5 data centers in St. Louis: 2 running, 3 proposed. A dashed edge means the exact site is not in the public record; every pin here marks a town or the county.
What happened
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· St. Louis Midtown Data Center
Now reported: Developer David Lambiaso filed suit against the city's Board of Adjustment challenging two conditions imposed on the data center construction stlpr.org local outlet
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· St. Louis Armory Data Center
Now reported: TerraWatt plans to build a 120 megawatt data center in the old Famous Barr warehouse on Market Street as part of a planned technology district. stlpr.org local outlet
-
· St. Louis Midtown Data Center
Approved: Land Clearance for Redevelopment Authority approved community benefit plan for TerraWatt data center at 3728 Market Street stlpr.org local outlet
What was said
Data center noise increases cortisol, cardiovascular risk, decreases cognitive functioning especially in children, and can delay healing in hospital settings
David Lambiaso, partner in TerraWatt, filed a suit against the city's Board of Adjustment over renewable energy requirements and community benefits agreement approval conditions.
Steve Smith, City Foundry STL developer, proposed keeping the planned data center while preserving the Armory as an entertainment venue instead of converting it to corporate offices
Every Missouri statement, by speaker
4 more statements on this page
Kasey Fowler-Finn, St. Louis University professor
Low frequency hum from a data center can travel 800 feet or further, compared to traffic sound at 300 feet
Kasey Fowler-Finn, St. Louis University professor
Greatest area of impact from large data centers is 3,000 feet, about half a mile
St. Louis University professor
Fowler Finn says 600 foot setbacks in St. Louis regulations are woefully insufficient because most severe impacts fall within 3,000 feet
The county and nearby counties
Disclosed figures
300 MW power
Power, water, jobs and tax
| Figure | Disclosed total | Disclosed | Not disclosed | Basis | |
|---|---|---|---|---|---|
| Power | 300 MW | 1 | 4 | 1 third party estimate | |
| Water, stated per day | Not disclosed | 0 | 5 | Not disclosed by any of the 5 records | |
| Water, stated per year | Not disclosed | 0 | 5 | Not disclosed by any of the 5 records | |
| Permanent jobs | Not disclosed | 0 | 5 | Not disclosed by any of the 5 records | |
| Tax each year | Not disclosed | 0 | 5 | Not disclosed by any of the 5 records |
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 | 5 | 300 MW | Not disclosed | Not disclosed | Not disclosed | Not disclosed: 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 5 tracked facilities in St. Louis are for.
How the facilities are cooled
No source on file states how any of the 5 tracked facilities in St. Louis are cooled.
Cite this page
Data Center Record, "Data centers in St. Louis, St. Louis city, Missouri", https://datacenterrecord.org/states/mo/st-louis-city/st-louis, updated September 25, 2026.
Cite this page
Data Center Record, "Data center records in St. Louis, St. Louis city, Missouri", https://datacenterrecord.org/states/mo/st-louis-city/st-louis. 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 Missouri export.
For researchers
- Place id
- us/mo/st-louis-city/st-louis
- Level
- city
- Census GEOID
- Not disclosed
- Rating value
- Not disclosed
- Scale word
- Not disclosed