Green River Dike
Green River Dike is an earth dam located in Lamoille County, Vermont, built in 1947. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Green River Dike
The primary purpose of Green River Dike 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 Village Of Morrisville, Vt (local government). It impounds the Green River near Morrisville.
The dam stands 22 feet tall and stretches 250 feet across, creates a reservoir covering 625 acres, has a maximum storage capacity of 16,900 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/17/2022.
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Location
| State | Vermont |
| County | Lamoille |
| Nearest City | Morrisville |
| River/Stream | Green River |
| Coordinates | 44.61640, -72.50980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 250 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 16,900 acre-ft |
| Max Storage | 16,900 acre-ft |
| Normal Storage | 16,900 acre-ft |
| Surface Area | 625 acres |
| Drainage Area | 14 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Village of Morrisville, VT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VT00024 |
| Federal ID | VT00024S001 |
| More Info | State Dam Safety Program |