Twin Lake #1 Dam is an earth dam located in Monroe County, Tennessee, built in 1962. It carries a Significant hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 165 ft long, taller than 55% 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 Twin Lake #1 Dam
Twin Lake #1 Dam is a dam in Monroe, Tennessee. The dam is owned by Gray, Ester (private). It impounds the Hot Water Branch near Coker Creek.
The dam stands 26 feet tall and stretches 165 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 1962, 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. The most recent inspection on record was 12/15/2022.
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Location
| State | Tennessee |
| County | Monroe |
| Nearest City | Coker Creek |
| River/Stream | Hot Water Branch |
| Coordinates | 35.25972, -84.30861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Length | 165 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Gray, Ester |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 12/15/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN12307 |
| Federal ID | TN12307 |
| More Info | State Dam Safety Program |