Colchester Pond is a concrete dam located in Chittenden County, Vermont, built in 1965. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 42 ft long, taller than 50% 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 concrete gravity section and the water level is illustrative.
About Colchester Pond
The primary purpose of Colchester Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Winooski Valley Park District (private). It impounds the Pond Brook near Colchester.
The dam stands 25 feet tall and stretches 42 feet across, creates a reservoir covering 182 acres, has a maximum storage capacity of 3,260 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1965, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/12/2015. That was over 11 years ago.
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Location
| State | Vermont |
| County | Chittenden |
| Nearest City | Colchester |
| River/Stream | Pond Brook |
| Coordinates | 44.54889, -73.12473 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 42 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 3,260 acre-ft |
| Max Storage | 3,260 acre-ft |
| Surface Area | 182 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Winooski Valley Park District |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/12/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00056 |
| Federal ID | VT00056 |
| More Info | State Dam Safety Program |