Bloch is an earth dam located in Lamoille County, Vermont, built in 1967. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 36 ft36 ft tall and 225 ft long, taller than 82% 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 embankment section and the water level is illustrative.
About Bloch
The primary purpose of Bloch is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Omar Graddock (private). It impounds the Barrows Brook-tr near Stowe.
The dam stands 36 feet tall and stretches 225 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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 07/08/2016. That was over 10 years ago.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Vermont |
| County | Lamoille |
| Nearest City | Stowe |
| River/Stream | Barrows Brook-tr |
| Coordinates | 44.45155, -72.72870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 225 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Omar Graddock |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/08/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00253 |
| Federal ID | VT00253 |
| More Info | State Dam Safety Program |