Havens Lake Dam is an earth dam located in Delaware County, Ohio, built in 1980. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 275 ft long, taller than 84% of U.S. dams with a recorded height. 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 Havens Lake Dam
The primary purpose of Havens Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Perry Road, LLC (private). It impounds the Tributary to Olentangy River near Mount Air.
The dam stands 38 feet tall and stretches 275 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 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 12/03/2020.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Ohio |
| County | Delaware |
| Nearest City | Mount Air |
| River/Stream | Tributary to Olentangy River |
| Coordinates | 40.18111, -83.04389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 275 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 520 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Perry Road, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/03/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH01520 |
| Federal ID | OH01520 |
| More Info | State Dam Safety Program |