Dow Pond is an earth dam located in Addison County, Vermont, built in 1920. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 200 ft long. 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 Dow Pond
Dow Pond is a dam in Addison, Vermont. The dam is owned by Ews Real Estate, Inc (private). It impounds the Muddy Branch near Middlebury.
The dam stands 20 feet tall and stretches 200 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1920, the structure is over a century 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/13/2018.
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Location
| State | Vermont |
| County | Addison |
| Nearest City | Middlebury |
| River/Stream | Muddy Branch |
| Coordinates | 44.01386, -73.10000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Ews Real Estate, Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/13/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00215 |
| Federal ID | VT00215 |
| More Info | State Dam Safety Program |