Mosquito Lake webpage
Mosquito Lake map
Video on Mosquito Lake
Also, see Mosquito Lake State Park and Mosquito Creek Corridor Important Bird Area
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Mosquito Creek Lake was constructed in 1944 by the U.S. Army Corps. of Engineers when they dammed Mosquito Creek nine miles upstream from Niles. The primary purpose of this project was flood control, domestic water supply, and discharge regulation for industrial water supply and pollution dilution. This 7,241-acre lake is part of Mosquito Lake State Park. The maximum depth is 24 feet. Boats are allowed and there is no horsepower limitation. However, there is a “no wake” restriction which extends 300 feet from the shoreline. Also, north of the OH-88 causeway, there is a 10 mile per hour speed limit for boaters. The fish populations in Mosquito Creek Lake are managed by the Ohio Division of Wildlife.
The ODNR Division of Parks and Recreation operates and maintains five boat launch ramps and 250 seasonal dock rentals are offered through the park office. Other features of Mosquito Lake State Park include a disc golf course, a dog park, four scenic picnic areas, a 600-foot beach, and a variety of trails.
Unlimited horsepower boating is permitted on the lake.
From Mosquito Lake webpage
Authorized by the Flood Control Act of 1938, Mosquito Lake is one of 16 flood control projects in the Pittsburgh District. The project provides flood protection for the Mahoning River Valley as well as the Beaver and upper Ohio Rivers.
Since its completion in 1944, Mosquito Lake has prevented flood damages estimated to be in excess of $277 million. Mosquito has the capability to store the equivalent run-off of 29 inches of precipitation from its 97 square mile drainage area. When compared to the saving which has resulted, the construction cost of just over $4 million appears small.
Mosquito Lake also stores water and releases it downstream during dry periods to improve water quality and quantity for domestic and industrial use, recreation, esthetics, and aquatic life.
A feature unique to Mosquito Lake is its use of an uncontrolled natural spillway. The natural spillway is located at the upper end of the lake in a low-lying reach of the Mosquito Creek – Grand River Divide. The elevation of the spillway at the point of divide is such that if an impoundment of flood waters should fill the lake, to an elevation of 904 feet above sea level, the southerly outflow of the lake would be reversed. The outflow would then be discharged through the natural spillway into a tributary of the Grand River which flows north into Lake Erie.
From US Army Corps of Engineers Mosquito Lake webpage
Restrooms at locations identified on Mosquito Lake State Park map.