O'Shaughnessy Dam and Bridge | |
Location | Concord Township / Liberty Township, Delaware County, Ohio, US |
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Nearest city | Shawnee Hills, Ohio |
Coordinates | 40°09′14″N 83°07′33″W / 40.15389°N 83.12583°W |
Built | 1922 |
Built by | Thompson-Starrett Co. |
Architect | Frank Packard |
Architectural style | Late 19th and 20th Century Revivals, Classical Revival, Second Renaissance Revival |
NRHP reference No. | 90000482[1] |
Added to NRHP | July 5, 1990 |
The O'Shaughnessy Dam is located on the Scioto River near Dublin, Ohio, United States. The dam forms O'Shaughnessy Reservoir, which is a major source of drinking water for the city of Columbus. It was completed in 1925 following recommendations of then superintendent Jerry O'Shaughnessy (for whom the dam was named).[2][3] At the time, the reservoir was described as "the finest inland waterway in the United States." Located 10 miles (16 km) upstream of the smaller Griggs Dam, it provides a large area for various forms of recreation in addition to its water supply duties. The reservoir holds 6.3 billion US gallons (24,000,000 m3) over a surface area of 845 acres (3.42 km2).[4] The Columbus Zoo and Aquarium is located on the east bank of the reservoir, near the dam.
In 1990, the dam was listed on the National Register of Historic Places.[1]