Nelson Gustine Dam is an earth dam located in Middlesex County, Connecticut, built in 1968. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 560 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 Nelson Gustine Dam
The primary purpose of Nelson Gustine Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned. It impounds the Hales Brook near Lake Pocotopaug.
The dam stands 15 feet tall and stretches 560 feet across, and creates a reservoir covering 2 acres. Completed in 1968, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/07/2015. That was over 10 years ago.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Lake Pocotopaug |
| River/Stream | Hales Brook |
| Coordinates | 41.61112, -72.51665 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 560 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| Surface Area | 2 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/07/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01779 |
| Federal ID | CT01779 |
| More Info | State Dam Safety Program |