American Viticultural Areas (TTB)

Current understanding

To be populated as evidence accumulates.

Evidence log

• 2026-08-14 — Proposed Establishment of the Kaw Valley Viticultural Area: TTB proposed rule to establish the ~5,500-square-mile Kaw Valley AVA in northeastern Kansas, enabling regional vintners to label wines with the Kaw Valley origin designation. (novelty: 2)
• 2026-08-14 — Proposed Establishment of the Mill Creek-Walla Walla Valley Viticultural Area: TTB proposed rule to establish the ~4,900-acre Mill Creek–Walla Walla Valley AVA in Walla Walla County, Washington, nested within the existing Walla Walla Valley and Columbia Valley AVAs, to allow more specific origin labeling by wineries. (novelty: 2)

Open questions

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