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Davis Island Lock and Dam Site facts for kids

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Davis Island Lock and Dam Site
Davis Island dam site from Fleming Park Bridge.jpg
Location Off Pennsylvania Route 65, Avalon, Pennsylvania
Built 1885
Architect Army Corps of Engineers
NRHP reference No. 80003400
Added to NRHP August 29, 1980

The Davis Island Lock and Dam Site in Avalon, Pennsylvania, is the site of the former Davis Island lock that was completed in 1885.

The lock and dam existed from 1878 to 1922, designed by William Emery Merrill and the U.S. Army Corps of Engineers. The Davis Island Lock and Dam was the first dam that was constructed on the Ohio River. It officially opened on October 7, 1885, with a large dedication ceremony. The Davis Island Dam was the largest Chanoine dam built in the 19th century, and one of the first concrete structures built by the Army Corps of Engineers. It was the first of 51 Chanoine type dams that were built by the Corps of Engineers between 1878 and 1929.

The dam was dismantled in 1922, when it was replaced by the Emsworth Locks and Dam less than a mile downstream of the original site. It was listed on the National Register of Historic Places on August 29, 1980.

It is now owned by the West View Water Authority and is used primarily to pump water from the Ohio River, which then goes on to be purified and is used by the surrounding communities for drinking.

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