Oostanaula Creek Dam is a gravity dam located in McMinn County, Tennessee, built in 1869. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 60 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Oostanaula Creek Dam
Oostanaula Creek Dam is a dam in McMinn, Tennessee. The dam is owned by TVA (federal). It impounds the Oostanaula Creek - Offstream near Calhoun.
The dam stands 18 feet tall and stretches 60 feet across, and has a maximum storage capacity of 50 acre-feet. Completed in 1869, the structure is one of the older dams in the region, with over a century and a half of service.
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. The most recent inspection on record was 04/10/2024.
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Location
| State | Tennessee |
| County | McMinn |
| Nearest City | Calhoun |
| River/Stream | Oostanaula Creek - Offstream |
| Coordinates | 35.29105, -84.73631 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 60 ft |
| Year Completed | 1869 (157 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
Ownership & Safety
| Owner | TVA |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/10/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN10710 |
| Federal ID | TN10710 |
| More Info | State Dam Safety Program |