Lake Oneil Dam is an earth dam located in Haywood County, Tennessee, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 9,750 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 Lake Oneil Dam
The primary purpose of Lake Oneil Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by US Fish and Wildlife Service (federal). It impounds the Poplar Creek.
The dam stands 9 feet tall and stretches 9,750 feet across, creates a reservoir covering 131 acres, has a maximum storage capacity of 1,165 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/15/2016. That was over 10 years ago.
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Location
| State | Tennessee |
| County | Haywood |
| River/Stream | Poplar Creek |
| Coordinates | 35.49560, -89.26280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 9,750 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 1,165 acre-ft |
| Max Storage | 1,165 acre-ft |
| Normal Storage | 902 acre-ft |
| Surface Area | 131 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 894 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US Fish and Wildlife Service |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/15/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN07503 |
| Federal ID | TN07503 |
| More Info | State Dam Safety Program |