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American Viticultural Area
American Viticultural Area (AVA): a TTB-designated delimited US grape-growing region under 27 CFR part 9, first established as Augusta, Missouri in 1980; 280 AVAs exist, requiring 85% local grapes for labeling, regulating geography only.
California wine
California wine is wine made from grapes grown in California, which produces about 80 percent of United States wine, led by regions such as Napa Valley and Sonoma County.
Lodi, California
Lodi, California: Central Valley city and namesake of the Lodi AVA, federally recognized 1986, about 550,000 acres with 82,000+ planted; seven sub-AVAs since 2006; known for old-vine Zinfandel, Tokay sandy loam, and LODI RULES sustainable certification.
Napa Valley AVA
Napa Valley AVA, established January 27, 1981, is California's first American Viticultural Area and the second in the United States, containing 17 nested sub-AVAs including Howell Mountain, Oakville, and Crystal Springs of Napa Valley (2024).
Sonoma County, California
Sonoma County, California: Northern California wine county of 1,800 square miles with 19 AVAs, nearly 60,000 vineyard acres, 425+ wineries, known for Pinot Noir, Chardonnay, and Dry Creek Zinfandel.