Bart Lake Dam is a rockfill dam located in City and Borough of Juneau, Alaska, built in 2009. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 172 ft long, taller than 72% 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 rockfill embankment section and the water level is illustrative.
About Bart Lake Dam
The primary purpose of Bart Lake Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Dorothy Creek.
The dam stands 31 feet tall and stretches 172 feet across, creates a reservoir covering 250 acres, has a storage capacity of 2,000 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2009, the structure is relatively new.
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 07/21/2022.
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Location
| State | Alaska |
| County | City and Borough of Juneau |
| River/Stream | Dorothy Creek |
| Coordinates | 58.22718, -134.02562 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 172 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 250 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AK84001 |
| Federal ID | AK84001 |
| More Info | State Dam Safety Program |