Brown Lake Dam is an earth dam located in Geauga County, Ohio, built in 1968. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 472 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 Brown Lake Dam
The primary purpose of Brown Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dr. Loma K. Flowers (private). It impounds the Tributary to Grand River near Farmington.
The dam stands 23 feet tall and stretches 472 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 36 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/26/2021.
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Location
| State | Ohio |
| County | Geauga |
| Nearest City | Farmington |
| River/Stream | Tributary to Grand River |
| Coordinates | 41.39083, -81.04750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 472 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 905 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dr. Loma K. Flowers |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/26/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH01609 |
| Federal ID | OH01609 |
| More Info | State Dam Safety Program |