St. Louis Midtown Data Center, in order
What happened with this project, oldest first: the stages it reached, what the county and its cities decided, and every dated step on the record. Each entry links its source.
3 events, July 2026 to September 17, 2026. Also on the record, under the month each belongs to: 5 statements and 3 lines that are not events of their own. The facts, newest first: the record; the place: Missouri.
A plain date is the day it happened, as the source states it, or as the line's own sentence states it ("voted on July 6"), which is where the line sits even when it was filed later. "Reported" and a date is the day a source published a line that carries no date of its own. Those lines, and lines that describe rather than report an act, sit under their month rather than on the timeline, with what was said and the figures other sources gave. Every timeline on the site reads its lines by this one rule. How dates are read.
2026 3 events
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(the month its own sentence names; no day is given; filed under Sep 17, 2026)
Entry
Permit upheld by Board of Adjustment in July [2]
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(source date; the content gives no date of its own)
approved
Land Clearance for Redevelopment Authority approved community benefit plan for TerraWatt data center at 3728 Market Street [5]
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(source date; the content gives no date of its own)
reported
Developer David Lambiaso filed suit against the city's Board of Adjustment challenging two conditions imposed on the data center construction [1]
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Also in September 2026: 5 statements and 3 lines that are not events of their own
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(source date; the content gives no date of its own)
Entry
Renewable energy must power 50% of facility in first five years, 100% within 10 years [5]
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(source date; the content gives no date of its own)
Entry
Construction expected to begin August 2027 and be completed by late 2029 [5]
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(source date; the content gives no date of its own)
Entry
Armory data center in Midtown is approved before new St. Louis regulations and is regulated by conditional use permit with different sound policies [4]
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(said in the source itself)
Statement · Kasey Fowler-Finn, St. Louis University professor
Data center noise increases cortisol, cardiovascular risk, decreases cognitive functioning especially in children, and can delay healing in hospital settings St Louis Public Radio local outlet
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(said in the source itself)
Statement · 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 St Louis Public Radio local outlet
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(said in the source itself)
Statement · 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 St Louis Public Radio local outlet
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(said in the source itself)
Statement · 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 Public Radio local outlet
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(said in the source itself)
Statement · Kasey Fowler-Finn, 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 St Louis Public Radio local outlet
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On the timeline: a stage change; an entry that reports an act on the day the source or its own sentence gives; and a decision, a published scorecard event on a row at or under the record's county, that reports an act. Under the months: a statement that names this record, a figure another source gave about it, matched by place and developer, an entry dated only by the day its source was published, and an entry or a decision that describes rather than reports an act. Each is on the record in its own right and keeps its own link.
For researchers
- Slug
- st-louis-midtown-data-center-mo
- Status value
- rumored
- Events on the timeline
- 3
- Under the months
- 8
- Stage changes
- 2
- Decisions
- 0
- Statements
- 5
- Figures
- 0
- Entries and decisions under the months
- 3