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O'Shaughnessy Reservoir

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Latest O'Shaughnessy Reservoir Report

Crappies are very active in the north end of the lake; target submerged cover using minnows suspended under a bobber. Fish shoreline cover throu... Continued

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O'Shaughnessy Reservoir is a Reservoir in Delaware, Ohio.

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O’Shaughnessy Reservoir was built by the city of Columbus in 1925. The reservoir, created by damming the Scioto River, provided a needed water source for the city.

Fishing Description: 

The diverse bottom composition and cover from stumps and fallen trees provide excellent habitat for a number of sport fish. Black and white crappie, largemouth bass, smallmouth bass, saugeye, white bass, and channel catfish all provide fishing opportunities for anglers.

Fishing Cover / Structure: 

The reservoir is 912 acres in size and has 18.4 miles of shoreline. Maximum depth is over 40 feet near the dam, although much of the water is 20 feet or less. The watershed for the reservoir is about 770 square miles and is composed of mostly agricultural land. Bottom composition is made up of rock in the south section and mud and silt in the north.

Facilities and Parks: 

The city of Columbus, Department of Recreation and Parks maintains the parking lots, picnic areas.

Boat Ramp: 

The city of Columbus, Department of Recreation and Parks maintains boat ramps, docks and rental boat slips. Unlimited horsepower is permitted on the lake.


Wildlife District One
1500 Dublin Road
Columbus, Ohio 43215
Telephone (614) 644-3925

Directions to Lake: 

O’Shaughnessy Reservoir is located about 9 miles northwest of Columbus in Delaware County. State Route 257 parallels the east side of the reservoir. Access is available along State Route 257 at designated parking lots and boat ramps in the Twin Lakes area, along State Route 257 at Home Road, and in Bellepoint.

O'Shaughnessy Reservoir
Waterbody type: 
United States
Standard elevation: