Data Centers Atlas: Missouri

Permit and comment: Crusoe Warrenton Campus

Missouri Department of Natural Resources issued a construction air permit for emergency diesel generators, fire-pump engines and associated fuel storage at Warrenton Data Center, effective October 8, 2026, subject to nitrogen-oxide, testing, emergency-use and recordkeeping conditions. The authorization is not a violation finding or evidence of actual startup, measured emissions or delivered computing capacity.

Record status: unknown. Permit authorization is recorded. The current outcome of the ongoing permit conditions and current compliance is not established by this bounded review; unknown does not withdraw the effective permit or decide underlying public concerns.

Event date: October 8, 2026

Source publication date: Not established

Disposition date: Not established

Concern sources checked: October 18, 2026

October 8, 2026 is the effective date printed on the signed permit face. It is not inferred to be the first public posting,actual startup or a later compliance determination. The first online publication day is unknown. Permit-face effectiveness,application dates, PDF timestamps and URL folders do not supply that publication day.

Raised or recorded by Missouri Department of Natural Resources.

Counts describe attributed documentation, not harm or severity. Allegations, procedural outcomes and published replies retain their separate scope.

Dated record: Google Project Spade Campus

Recorded event date: May 20, 2026

Missouri’s governor reported Google’s New Florence infrastructure/data-center investment announcement. Announced development and future jobs; exact construction-start, completion and opening dates are not established.

A recorded date retains its original source and phase scope. A scheduled date does not confirm that the event happened or permission was granted. Source-check dates are separate.

governor.mo.gov

News report: Nebius AI Factory (Independence)

KCUR reported water, power, wildlife and health concerns raised at a February 10 community meeting about Nebius's Independence proposal. The article also describes differing company and city positions. These are reported questions, not measured impacts or an independently verified permit or ratepayer outcome.

Record status: unknown. The outcome of these reported concerns is unknown in this bounded review. Company resource and ratepayer commitments do not establish measured performance or resolution of every question.

Event date: February 10, 2026

Source publication date: February 13, 2026

Disposition date: Not established

Concern sources checked: October 18, 2026

The article explicitly identifies February 10, 2026 as the community meeting. This was not an independently inspected agency hearing or complaint filing. KCUR published the report February 13, 2026. The changing original Nebius project page has no independently established first publication day.

Raised or recorded by KCUR.

Company-published statement

Nebius stated that it would use closed-loop cooling, sound controls and construction measures, and bear its power costs. These are company commitments, not independently verified resource use, operating noise or future household rates.

The original Independence project page addresses the same resource and neighborhood questions. It is not an express answer to every meeting statement; first publication date is unknown.

Response publication date: Not established

Response sources checked: October 18, 2026

Counts describe attributed documentation, not harm or severity. Allegations, procedural outcomes and published replies retain their separate scope.

Public concern on the record: Nebius AI Factory (Independence)

Residents requested eagle-habitat and permit-record information for the Nebius proposal, as recorded by Missouri Department of Natural Resources in concern 64672. The department recorded providing information with no further action. This documents an assistance request, not a formal violation complaint, inspection finding or permit decision.

Record status: resolved. Residents requested information that the agency recorded providing. Resolved applies only to the agency's recorded information-assistance response and no-further-action entry. It does not establish absence of violations, resolved wildlife effects, permit approval or resolution of other concerns.

Event date: January 24, 2026

Source publication date: Not established

Disposition date: Not established

Concern sources checked: October 18, 2026

The original agency entry explicitly records webform submission on January 24, 2026 and received/investigation dates on January 26. The exact later information-response day is not independently established. The report footer is dated March 6, 2026, but its first public posting day is unknown. The report-generation date and April URL folder are not substituted as publication.

Raised or recorded by Residents.

Missouri Department of Natural Resources

Counts describe attributed documentation, not harm or severity. Allegations, procedural outcomes and published replies retain their separate scope.

Public concern on the record: Crusoe Warrenton Campus

Residents raised questions about approval conditions, the natural waterway and tree line, electricity and whether project commitments would be fulfilled, according to City of Warrenton minutes for the data-center hearing. The minutes also record support and a statement that most earlier questions had been addressed; this does not establish resolution of every concern.

Record status: unknown. The current disposition of these individual public concerns is not established. The separate city approval vote does not resolve every concern.

Event date: January 20, 2026

Source publication date: Not established

Disposition date: Not established

Concern sources checked: October 18, 2026

January 20, 2026 is the Board meeting date recorded in the adopted minutes,not the earlier Planning Commission meeting or agenda posting. The first online publication day of the combined adopted minutes is unknown. Agenda posting January 16 and PDF metadata are not substituted for publication.

Raised or recorded by Residents.

City of Warrenton

Counts describe attributed documentation, not harm or severity. Allegations, procedural outcomes and published replies retain their separate scope.

News report: Project Cumulus (St. Charles)

St. Louis Public Radio reported residents' water-quality and energy concerns about Project Cumulus and CRG's withdrawal of its permit application. Later reporting described a temporary application moratorium. These accounts do not establish measured impacts, permanent cancellation or the outcome of every concern.

Record status: withdrawn. St. Louis Public Radio reported withdrawal of the 2025 permit application. Withdrawn applies only to that application. It does not establish permanent cancellation, a current ban, later replacement status or resolution of every concern.

Event date: Not established

Source publication date: August 18, 2025

Disposition date: Not established

Concern sources checked: October 18, 2026

No independently inspected original filing or exact withdrawal day was established in this bounded review. The outlet announcement day is not substituted for a filing date. St. Louis Public Radio published its withdrawal report August 18, 2025 and updated it that day. The related moratorium report, distributed by KCUR, was published August 23.

Raised or recorded by St. Louis Public Radio.

Company statement reported by an outlet

CRG stated, according to St. Louis Public Radio, that it was withdrawing the application to incorporate community feedback and intended to work on a revised proposal. That intention is not proof a replacement was filed.

The original report quotes CRG's withdrawal email. This is outlet-reported company text; the linked original email could not be freshly inspected. August 18 is the outlet publication day.

Response publication date: August 18, 2025

Response sources checked: October 18, 2026

Counts describe attributed documentation, not harm or severity. Allegations, procedural outcomes and published replies retain their separate scope.

Dated record: Project Mica

Recorded event date: July 28, 2025

Port KC board unanimously authorized up to $10 billion in Project Mica taxable revenue bonds and related documents. This is financing authorization, not proof of issuance, a $10 billion subsidy, construction permission or operation.

A recorded date retains its original source and phase scope. A scheduled date does not confirm that the event happened or permission was granted. Source-check dates are separate.

portkc.com

Dated record: Google Kansas City Data Center (Hunt Midwest Business Center)

Recorded event date: March 20, 2024

Hunt Midwest announced Google at Hunt Midwest Business Center and identified JE Dunn as construction partner. This is a project announcement, not a confirmed construction start, actual investment spend or opening.

A recorded date retains its original source and phase scope. A scheduled date does not confirm that the event happened or permission was granted. Source-check dates are separate.

huntmidwest.com