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Eldorado Ditch

The El Dorado Ditch, also known as the Eldorado and the Big Ditch, was a system of irrigation ditches constructed to supply water to the Shasta Mining District in the Willow Creek Basin area of Malheur County. Begun in 1863 for developer W.H. Packwood of Baker City, the ditch provided water to gold mines near Amelia and Malheur City, and for two boomtowns—Eldorado, twenty-six miles south of Baker City, abandoned in 1887, and Malheur City, 1.5 miles east of Eldorado. According to the Bedrock Democrat, the 135-mile-long main ditch and feeder ditches were the largest such system in the western United States.

The magnitude of the project—its engineering, and its execution—was made possible primarily by Chinese contract laborers who began excavating large sections of the ditch in 1869. In 1870, an estimated 1,000 Chinese laborers were paid $2-$2.50 per day, $1-$2 per day below the wage paid to white workers. By 1878, they had dug one hundred miles of the ditch network. Records of water sales from 1874-1875 report proceeds of $50,000-$60,000.

Water sales continued until 1911, but water-rights battles and adjudication made the ditch impractical and it was abandoned in 1925. Erosion, vegetation, and other land uses have caused ditch dimensions to vary, with its greatest measurement given as 3 feet deep, 8.5 feet wide at ground level, and 6 feet wide at ditch bottom.

Written by:Jodi Varon

Further Reading:

Baker County Historical Society.  The History of Baker County Oregon 1986.  Baker: The Baker County Historical Society, 1986.

Stewart, Gordon, and Patricia Stewart.  Baker County Sketch Book. Baker, Ore.: Baker County Chamber of Commerce, 1956.

Wegars, Priscilla. The Ah Hee Diggings: Final Report of Archaeological Investigations at OR-GR-16, The Granite, Oregon “Chinese Walls” Site, 1992 Through 1994. University of Idaho Anthropological Reports, No. 97. Alfred W. Bowers Laborator of Anthropology.  Moscow, ID: University of Idaho, 1995.

Oregon Encyclopedia - Oregon History and Culture

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