Location and Description
Pond Lick Lake is located in Nile Township, Scioto County and is part of Shawnee State Park. The dam is owned and operated by the Ohio Department of Natural Resources.
This dam is an earthen embankment measuring 350 feet long and 22 feet high. The drainage area of the lake is 2.56 square miles and the lake has a normal pool surface area of 4 acres. As a Class I high-hazard potential structure, a sudden failure of Pond Lick Lake Dam likely would result in the structural collapse of at least one residence or one commercial or industrial business and probable loss of human life. (Hazard ratings refer to the consequences of dam failure, not the dam's condition.)
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Pond Lick Lake Dam: Statistics
- Maximum Embankment Height: 22 feet
- Length of Dam: 350 feet
- Crest Width: 8 feet
- Reservoir Surface Area At Top Of Dam: 16.8 acres
- Storage Capacity At Top Of Dam: 96 acre-feet
- Storage Capacity at Principal Spillway Elevation: 25 acre-feet = 8,146,290 gallons
- Principal Spillway Type: L-Shaped Concrete Weir Leading Into a Reinforced Concrete Culvert, scheduled for 2014 replacement
- Emergency Spillway: None
- Principal Spillway Crest Elevation: 735 feet
- Reservoir Surface Area at Principal Spillway: 4 acres
- Lake Drains: 12-in Corrugated Metal Pipe scheduled for 2014 replacement with 24 inch Ductile Iron Pipe
- Size Classification: Class IV
- Hazard Classification: Class I
- Lake Constructed: 1938
- Total Drainage Area to Lake: 2.56 Square Miles
- County: Scioto
- Communities: Nile Township
The dam is overtopped by 6.8 feet during the Probable Maximum Flood (PMF) event and requires overtopping protection. The PMF is the flood event that may be expected from the most severe combination of critical meteorological and hydrologic conditions that are reasonably possible in a particular drainage area.
This rehabilitation of the dam will include roller compacted concrete (RCC) overtopping protection and replacing the principal spillway system in kind. Other improvements include replacement of the existing lake drain system with a new 24-inch ductile iron pipe and control tower, which includes a 24-inch resilient wedge gate. Work also includes abandonment of the exiting lake drain and placement of a newly designed stilling basin for the principal spillway.
Long Term Plan
Routine inspections and maintenance of the dam will continue. An emergency action plan will be revised and shared with local emergency management officials once it is completed.
Renovations to the Pond Lock Dam are currently in progress by Sunesis Construction Co., of West Chester. Included are improvements to the spillway. Construction is expected to be completed in Fall, 2014. Michael Baker Jr., Inc. is providing construction management oversight to ensure that the construction is conducted in accordance with the drawings and specifications. This will involve site inspections, progress meetings, and daily inspections during the construction of key components. The total estimated cost of construction is $2.7 million. ODNR Division of Forestry will perform some dredging in the upper reaches of the lake.
Shawnee State Park web page.
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To request more information you may write to:
Ohio Department of Natural Resources
Dam Risk Reduction Project
2045 Morse Road, Building E-3
Columbus, Ohio 43229
or send an email communication to DamRiskReduction@dnr.state.oh.us.