Sili Lake Dam
Sili Lake Dam is an earth dam located in Ashtabula County, Ohio, built in 1972. It carries a Low hazard potential classification and has a poor condition assessment.
About Sili Lake Dam
The primary purpose of Sili Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Multiple Owners - 1507-006 (private). It impounds the Tributary To Grand River near Mechanicsville.
The dam stands 15 feet tall and stretches 550 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/10/2021.
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Location
| State | Ohio |
| County | Ashtabula |
| Nearest City | Mechanicsville |
| River/Stream | Tributary To Grand River |
| Coordinates | 41.73250, -80.90917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 550 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 101 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Multiple Owners - 1507-006 |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/10/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH01195 |
| Federal ID | OH01195 |
| More Info | State Dam Safety Program |