O'Shaughnessy Dam (Ohio)

O'Shaughnessy Dam and Bridge
View below the dam
Location Concord Township / Liberty Township, Delaware County, Ohio, USA
Nearest city Shawnee Hills, Ohio
Coordinates 40°09′14″N 83°07′33″W / 40.15389°N 83.12583°W / 40.15389; -83.12583Coordinates: 40°09′14″N 83°07′33″W / 40.15389°N 83.12583°W / 40.15389; -83.12583
Built 1922
Built by Thompson-Starrett Co.
Architect Packard, Franklin L.
Architectural style Late 19th and 20th Century Revivals, Classical Revival, Second Renaissance Revival
NRHP reference # 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]

Hydroelectricity

The city of Columbus installed a hydroelectric operation on the west side of the dam, which was completed in 1987.[5] The turbines can only be operated when there is sufficient flow, which means the dam cannot continuously produce electricity. With a head of 18 feet (5.5 m),[6] the two turbines together produce 5 megawatts.[5][7]

Despite numerous repair attempts the Hydroelectric Turbines have remained offline for approximately 3 years. It is unknown when, if ever, their operation will resume.

References

  1. 1 2 National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
  2. ↑ Cross, Tom (2008). Fishing Ohio: An Angler's Guide to Over 200 Fishing Spots in the Buckeye State. Globe Pequot Press. p. 58. ISBN 978-0-7627-4326-1.
  3. ↑ "Water Sources". Department of Public Utilities (City of Columbus, Ohio): Division of Water. Archived from the original on 2006-10-08. Retrieved 2006-10-28.
  4. ↑ "2005 Annual Report" (PDF). Department of Public Utilities (City of Columbus, Ohio). Retrieved 2006-10-28.
  5. 1 2 "Green Power: Turning Water Into Electricity - O'Shaughnessy Hydroelectric Plant". Department of Public Utilities (City of Columbus, Ohio): Division of Water. Archived from the original on 2006-10-09. Retrieved 2006-10-28.
  6. ↑ "Hydropower". Green Energy Ohio. Retrieved 2006-10-28.
  7. ↑ "Hydroelectricity". Office of the Ohio Consumers' Counsel. Archived from the original on 2007-02-16. Retrieved 2006-10-29.
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