Grenke Lake Dam is an earth dam located in Ashtabula County, Ohio. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Grenke Lake Dam
The primary purpose of Grenke Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Alfred & M. Grenke (private). It impounds the Tributary to Mill Creek near Eagleville.
The dam stands 16 feet tall and stretches 400 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles.
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 10/06/2021.
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Location
| State | Ohio |
| County | Ashtabula |
| Nearest City | Eagleville |
| River/Stream | Tributary to Mill Creek |
| Coordinates | 41.72889, -80.80778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 174 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Alfred & M. Grenke |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/06/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH02777 |
| Federal ID | OH02777 |
| More Info | State Dam Safety Program |