Black Spruce Pond Dam is an earth dam located in Windham County, Connecticut, built in 1960. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 6 ft6 ft tall and 450 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 Black Spruce Pond Dam
The primary purpose of Black Spruce Pond Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Connecticut Deep (state). It impounds the Turner Brook near Chaplin.
The dam stands 6 feet tall and stretches 450 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 153 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 10/29/2021.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Chaplin |
| River/Stream | Turner Brook |
| Coordinates | 41.79678, -72.09833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 450 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 153 acre-ft |
| Max Storage | 153 acre-ft |
| Normal Storage | 153 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 630 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Connecticut Deep |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/29/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT01671 |
| Federal ID | CT01671 |
| More Info | State Dam Safety Program |