Middlebury Lower is a concrete dam located in Addison County, Vermont, built in 1917. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 350 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 Middlebury Lower
The primary purpose of Middlebury Lower is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Green Mountain Power Corp (public utility). It impounds the Otter Creek near Middlebury.
The dam stands 16 feet tall and stretches 350 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 629 square miles. Completed in 1917, the structure is over a century 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. The most recent inspection on record was 08/15/2001. That was over 25 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Vermont |
| County | Addison |
| Nearest City | Middlebury |
| River/Stream | Otter Creek |
| Coordinates | 44.02735, -73.17822 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Height | 15 ft |
| Dam Length | 350 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 629 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Green Mountain Power Corp |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/15/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00194 |
| Federal ID | VT00194 |
| More Info | State Dam Safety Program |