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Map of the Scioto River watershed. The Scioto River (/ s aɪ ˈ oʊ t ə / sy-OH-tə) is a river in central and southern Ohio more than 231 miles (372 km) in length. [4] It rises in Hardin County just north of Roundhead, Ohio, flows through Columbus, Ohio, where it collects its largest tributary, the Olentangy River, flows south into Appalachian Ohio, and meets the Ohio River at Portsmouth.
789.1 cu ft/s (22.34 m 3 /s), USGS water years 2015-2019 [3] Map of Olentangy River highlighted within the Scioto River watershed The Olentangy River / oʊ l ən ˈ t æ n dʒ i / is a 97-mile-long (156 km) [ 5 ] tributary of the Scioto River in 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."
Ohio is a Midwestern state in the Great Lakes region of the United States.The state takes its name from the Ohio River, whose name in turn originated from the Seneca word ohiːyo', meaning "good river", "great river" or "large creek". [1]
Big Walnut Creek was named for black walnut trees which once grew in old-growth forests near the stream. [5] According to the Geographic Names Information System, the Big Walnut Creek has also been known as: [6] Big Belly Creek; Big Bellys Creek; Big Lick Creek; Gahanna River; Hayes Ditch; Walnut Creek; Whingwy Mahoni Sepung; Menkwi Mhoani Siipunk
For 20 years, it served as the only reservoir serving the city of Columbus' drinking water needs. [3] Griggs Dam is a gravity dam with a 500-foot-long (150 m) curved concrete spillway. Its height is only 35 feet (11 m), but it forms a reservoir almost 6 miles (9.7 km) long with a 1,200,000,000-US-gallon (4.5 × 10 9 L) capacity.
This reservoir is a major water source for the city of Columbus, Ohio. It holds 20.8 billion US gallons (79,000,000 m 3) of water and has a surface area of 3,272 acres (13.24 km 2), or about five square miles. Construction began during 1953 due to the increased water demand of post-war Columbus.
Nearby are recreation fields, a sledding hill, butterfly garden, bocce courts, a park office and visitor center, a boat ramp, fishing docks, and a maintenance area. The park includes multiple restrooms, picnic tables, grills, and parking lots. The nearby Greenlawn Avenue dam widens the river into a slack water lake, attractive to migrating ...