Facility or project event · Application deemed complete · Official record

Application deemed complete on 24 August 2026: Amazon Attalia Data Center Campus (WA) — county determination of completeness dated 24 August 2026

Walla Walla County Community Development Department determined on August 24, 2026 that the Site Development Permit and SEPA applications (SDP26-01, SEPA26-05) filed by Amazon Data Services, Inc. were complete for review; the applications concern the Amazon Attalia Data Center Campus, and the county stated that no final decision had been made.

What this is. The source (county determination of completeness, dated 24 August 2026) dates this completeness determination to 24 August 2026. This event does not establish any later stage.
Event date
'Date: 8/24/2026' field on the Determination of Completeness; Notice of Application item 3 repeats 'August 24, 2026'.
Source dated
Date field and page footer '8/24/2026' on the determination.
Source accessed
Retrieved by DataCenterData; not an event date.
Added to Latest updates
When this entry entered the updates log; not an event date.
Event type
Application deemed complete · Filings and reviews
Evidence basis
Official record · Walla Walla County Community Development Department
Confidence
HighReceiving body's own dated notice; entity link by project name, file numbers and parcel.
State
Washington
Linked records
Amazon Attalia Data Center Campus amazon-attalia-walla-walla
Linked claims
None linked

What the source says

The application listed above are deemed to be complete because they have been reviewed and determined to be complete pursuant to WWCC 14.07.050(A).

Where: Page 2 of 2, body paragraph; 'Date: 8/24/2026' on page 1

An archive request failed; no archived copy is linked.

What this does not establish

  • Any approval or permit issuance
  • Construction start
  • Completion, energization or operation

Still unknown

  • SEPA threshold determination and its date
  • Final land-use decision and any appeal
  • Operator/tenant and IT or utility capacity
  • Ecology air-permit (Notice of Construction) filing status

Identifiers

Event ID e08a14f03d52c3d28456ea1f20163ced07ae5545e9e570480828ce679ade7d2b. The ID is derived from the event itself and never changes. A later correction would be published as a separate, linked entry.

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