Grogg Lake Dam
Grogg Lake Dam is an earth dam located in Richland County, Ohio, built in 2001. It carries a Low hazard potential classification and has a fair condition assessment.
About Grogg Lake Dam
The primary purpose of Grogg Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James Grogg (private). It impounds the Tributary To Mohican River near Greer.
The dam stands 17 feet tall and stretches 1,100 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2001, the structure is relatively new.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/13/2024.
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Location
| State | Ohio |
| County | Richland |
| Nearest City | Greer |
| River/Stream | Tributary To Mohican River |
| Coordinates | 40.67778, -82.45306 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 1,100 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,600 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | James Grogg |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/13/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH03107 |
| Federal ID | OH03107 |
| More Info | State Dam Safety Program |