Boston Branch Dam is an earth dam located in Hamilton County, Tennessee, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 53 ft53 ft tall and 345 ft long, taller than 93% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Boston Branch Dam
Boston Branch Dam is a dam in Hamilton, Tennessee. The dam is owned by Boston Branch Association, Inc. (private). It impounds the Boston Branch near Mile Straight.
The dam stands 53 feet tall and stretches 345 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 478 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/15/2022.
At 53 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Tennessee |
| County | Hamilton |
| Nearest City | Mile Straight |
| River/Stream | Boston Branch |
| Coordinates | 35.24500, -85.27417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Length | 345 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 478 acre-ft |
| Max Storage | 478 acre-ft |
| Normal Storage | 333 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Boston Branch Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/15/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN06502 |
| Federal ID | TN06502 |
| More Info | State Dam Safety Program |